#metallurgy microscope

[crystalflores786]

Metallurgical Microscope

A metallurgical microscope is a specialized type of optical microscope designed specifically for examining opaque materials, particularly metals and alloys. Unlike conventional optical microscopes, which rely on transmitted light passing through thin samples, metallurgical microscopes use reflected light to illuminate the specimen. This enables the observation of surface features, internal structures, grain boundaries, and defects in opaque samples.

[labnic235]

Metallurgical Microscope

Metallurgical Microscope has an infinity semi-plan optical system and a Siedentopf trinocular head with a 30° inclination. It comprises of a LWD objective, a double-layered mechanical working stage, and a quintuple inward-rotating nosepiece. When employed as a light source, LEDs have both transmitting and reflecting qualities.

[metallurgyandmetrology]

If you are looking to buy metallurgical/Stereo zoom microscopes as well as particle analysis system then Multitek is one of the best option for you. They are delevering best in class quality products and AMC services at very competitive price in market. https://www.multitek.in/microscope-classification

Metallurgy #Metrology #Metalography #Microscopes #MetallurgicalMicroscopes #ParticleAnalysis #StereoZoom #machine #Industrial #Mechanical #Automotive #Engineering

[hsmleindia]

MUM Series upright metallurgical microscopes are suited for the examination of metallurgical specimens such as micro-structure analysis, various materials testing, opaque object or transparent object and photomicrography. It is also equipped with yellow, blue, and green filters and equipped with long working distance plan achromatic objectives and field eyepieces to provide excellent optics quality and operational performance. These are the best instruments in research work metallography, mineralogy, precision engineering, electronics, etc.

[materialsscienceandengineering]

Ordered film of carbon nanotubes

Processing A dilute (<0.3 vol%) suspension of nanotubes is filtered through a 0.2 mm membrane to form a solid film. Applications Carbon nanotubes may be considered a high performance mechanical polymer or an electrically conducting polymer but their greatest potential is in gas storage or as a filler in polymeric materials Sample preparation Solid nanotube films were prepared by filtration onto a 0.2 mm membrane filter under 0.6 bar negative pressure Technique Field emission gun scanning electron microscopy (FEGSEM) Length bar 400 nm Further information It is necessary to form a stable dispersion of nanotubes in order to properly integrate them into polymeric systems. This can be achieved by treating them with acid to oxidise the tube surfaces. The tubes will then spontaneously disperse in an aqueous medium. The viscosity of these suspensions is analogous to that of polymers; it increases gradually with concentration up to a critical point (at about 0.7vol%) where entanglement occurs. A solid nanotube film has been formed by filtering the suspension through a 0.2mm membrane filter. Suspensions of relatively high concentration (>0.3vol%) yield films with random tube orientations but at lower concentrations (as in this sample), liquid crystal aggregation occurs and there is noticeable mutual alignment. The films exhibiting such alignment are tougher. This image was taken using a field emission gun scanning electron microscope (FEGSEM). Contributor Prof A H Windle Organisation Department of Materials Science and Metallurgy, University of Cambridge

Source.

[theblackbookofarkera]

Copper golems

Deep within the vulnerable kingdom of Eronah, behind locked doors and in secret workshops, a select group of Elshar rabbis labor at an extraordinary task - the creation of an army born not of flesh and blood, but of copper and divine breath. These sacred artificers work to forge what may be their nation's last hope of survival: an army of golems infused with a fraction of Elshahim's own breath.

The creation of these copper defenders represents a unique confluence of metallurgy, theology, and mystical engineering. The rabbis begin with pure copper, which they believe best conducts both physical energy and divine essence. Each golem is carefully shaped through a process that takes months, with every curve and joint inscribed with microscopic prayers in ancient holy script. These prayers serve both as spiritual reinforcement and as intricate command structures that will guide the golem's actions when awakened.

The most crucial and controversial aspect of their creation is the incorporation of what the rabbis call a "shrewd" - a tiny portion of Elshahim's breath, captured through complex theological rituals that have been debated in secret rabbinical courts for generations. Some religious authorities argue that attempting to harness divine breath borders on blasphemy, while others contend that Elshahim himself has provided this knowledge to protect his chosen people.

Each golem stands roughly twice the height of a man, their copper forms burnished to a warm glow that seems to pulse with inner light. Their features are deliberately left abstract - smooth faces with subtle suggestions of eyes and mouth, limbs that favor function over form. This abstraction is intentional, as the rabbis believe too close an approximation of the human form might attract malevolent spiritual attention.

The golems are said to rest in vast underground chambers beneath Eronah's synagogues and religious schools, standing in silent rows awaiting the day of their awakening. According to closely guarded texts, they can only be activated by a specific sequence of prayers spoken by a quorum of thirteen rabbis working in perfect synchronization. Once awakened, they will follow a complex set of predetermined commands encoded in their prayer-inscriptions, prioritizing the defense of civilian populations and holy sites.

What makes these guardians particularly formidable is their immunity to conventional sorcery. The prayers etched into their forms create a kind of spiritual insulation, while their copper construction resists many forms of magical manipulation. They are said to be especially effective against demons and corrupt spirits, as the divine breath within them acts as a natural repellent to unholy forces.

However, the creation of these defenders comes at a tremendous cost. Each rabbi involved in their creation must fast for forty days before beginning the work, and the process of capturing and implementing the divine breath is said to leave many practitioners permanently changed, their hair turned white and their eyes bearing a distant look as if they've gazed too long into divine mysteries. Some never recover from the strain, spending their remaining days in contemplative silence.

The exact number of copper golems created remains a closely guarded secret, though rumors speak of enough to form a significant fighting force. The rabbis maintain that the mere existence of these defenders serves as a deterrent to Urakkad's aggression, even if their enemies don't know the full extent of their capabilities. They believe that divine providence will ensure the golems are revealed at precisely the right moment to save their nation.

Stories occasionally surface of solitary golems being tested in remote locations, their movements described as eerily graceful despite their massive size. Witnesses speak of seeing copper giants performing complex martial maneuvers with perfect precision, their forms moving with a fluid grace that seems impossible for beings of metal. These accounts are neither confirmed nor denied by the rabbinical authorities.

Perhaps most intriguing are the theological implications of these creations. Some scholars argue that the copper golems represent a new phase in the relationship between the divine and the mundane - a merging of spiritual and physical crafting that suggests new possibilities for how humanity might interact with divine power. Others worry that such attempts to harness divine essence, even in defense of the faithful, may have unforeseen consequences.

For now, the copper defenders wait in their hidden sanctuaries, their forms gradually developing a patina that some say reflects the age of the prayers they contain. They stand as a testament to both the ingenuity and desperation of a people determined to survive, their very existence embodying the thin line between preservation and hubris, between faith and presumption.

The rabbis continue their secret work, each new golem representing both a prayer for peace and a preparation for war. In their workshops, they whisper that when the time comes, the sound of marching copper feet will herald not just the defense of Eronah, but the manifestation of divine protection made gloriously, terrifyingly tangible.

[hasbr0mniverse]

Transformers Battlefront 1985 - Autobot Perceptor possesses above-average strength, but his most powerful asset is his amazing intelligence. He is one of the most brilliant scientific minds on Cybertron, with a specialty in metallurgy, molecular chemistry, and electrical engineering. In microscope mode he can function as a standard optical magnifier or an electron microscope, with a maximum magnification capacity of 1,000,000 times. His lens can adapt for offensive capabilities, becoming a powerful light cannon that can blast a hole through concrete from over 2,000 miles away. He can use the cannon offensively in both modes, including as a stationary cannon when he's a microscope. In robot mode, he is also armed with a concussion blaster and rocket launcher.

[witchycatwife]

The demon theory of disease

The general technology level of the setting is approximately comparable to the 1600s in Western Europe in our Planckian universe, with some technologies like metallurgy and particularly black powder weapons being behind, and some like optics being ahead of the reference epoch.

However, thanks to the Perfect Order's emphasis on hygiene and science as religious matters along with the sophisticated art of optics has led to a particularly easy discovery of germs, or rather, demons.

The apocrypha of the Perfect Order say that demons are born from sin. Every sin causes some kind of a demon to be created, and these demons in turn are the cause of all other calamities. Eventually, the connection between little creatures on microscope slides and infectious diseases was established, conclusively proving the existence of demons exactly as predicted by the prophets.

If you don't wash your hands, you will get demons on your hands. Cook food with the same hands, and the demons will enter other people's bodies, causing disease. Not all disease-causing demons have been identified, but this is just a matter of not having found the way to discover them yet; it took thousands of years from the Second Prophet's purity laws to understand the true nature of demons, so it is not surprising that some of them still elude discovery.

Similarly, the demons emitted from other sins are the field of intense study. They seem to be harder to detect, but imagine the glory of being the one who can demonstrate the demons caused by the conviction of an innocent person at court, or from the birth of a bastard child, or find which sins cause earthquakes to strike cities.

[anitasblogs]

Why Tekman Is the Preferred Choice for Industrial Vacuum Pumps

When it comes to industrial vacuum pumps, choosing the right manufacturer is essential for ensuring reliable and efficient operations. Tekman has established itself as a leader in the vacuum pump industry, offering a wide range of products that meet the specific needs of various sectors. From innovative technology to high-performance machinery, Tekman has earned the reputation of being the preferred choice for industrial vacuum pumps. This article explores the reasons behind Tekman��s success, highlighting some of their standout products, including the Helium Leak Detector, Helium Leak Testing Machine, Helium Recovery System, Vacuum Furnace, and the Single Stage Vane Pump.

Commitment to Quality and Innovation

One of the main things that makes Tekman stand out in the market for industrial vacuum pumps is its dedication to quality. The business makes significant R&D investments to make sure that its goods are at the forefront of technology. Because of its commitment to innovation, Tekman can offer cutting-edge vacuum solutions that frequently surpass industry standards. The needs of the customer are taken into consideration in the design of Tekman's vacuum pumps, whether they are meant to increase operational precision or energy efficiency.

Helium Leak Detector: Precision in Leak Detection

The Helium Leak Detector, one of Tekman's most notable products, is an essential instrument for sectors requiring extremely precise leak detection. Since helium is the second-smallest molecule, it can readily escape through microscopic leaks, which makes it the perfect gas for leak detection in a variety of industrial applications. Because of its exceptional sensitivity, the Tekman Helium Leak Detector enables users to locate even the tiniest leaks in a variety of systems, including vacuum chambers and refrigeration units. This detector's accuracy and dependability guarantee that your systems stay leak-free, reducing downtime and guaranteeing operational safety.

Helium Leak Testing Machine: Ensuring Leak-Free Systems

Tekman offers the Helium Leak Testing Machine in addition to the Helium Leak Detector. By automating the leak detection process, this equipment increases efficiency and lowers the possibility of human error. In sectors where even a small leak can cause serious issues, such as aerospace, electronics, and the automobile industry, the Helium Leak Testing Machine is extensively utilized. Helium is used by the device as the tracer gas, guaranteeing that any possible leaks are found and fixed. Because of its exceptional precision, speed, and dependability, Tekman's leak testing equipment is a vital instrument for quality assurance and control procedures.

Helium Recovery System: Sustainability and Cost Efficiency

Tekman prioritizes sustainability in addition to efficiency. The company's dedication to environmental responsibility is demonstrated by its Helium Recovery System. Since helium is a non-renewable resource, recovering and recycling this priceless gas is essential given its rising demand. By collecting and reusing helium, businesses may lower operating expenses and the environmental effect of gas use thanks to Tekman's Helium Recovery System. This technique is very helpful for helium-intensive industries including electronics, aerospace, and medical device manufacture. Businesses can lower costs and improve sustainability efforts by purchasing Tekman's Helium Recovery System.

Vacuum Furnace: High-Temperature Processing Excellence

The Vacuum Furnace, another important item in Tekman's portfolio, is made for high-temperature processing applications. In fields where exact control over the thermal environment is essential, such as metallurgy, aircraft, and electronics manufacture, this equipment is commonly employed. By enabling heat treatment procedures in a regulated vacuum setting, Tekman's Vacuum Furnace keeps materials from oxidizing or being contaminated. This guarantees the creation of premium parts with enhanced mechanical capabilities. Because of their reputation for dependability, accuracy, and energy efficiency, Tekman's vacuum furnaces are a top option for businesses looking for dependable high-temperature processing solutions.

Single Stage Vane Pump: Efficiency in Motion

One more item that distinguishes Tekman from its rivals is the Single Stage Vane Pump. This kind of vacuum pump finds extensive application in sectors including food processing, packaging, and chemical processing that demand low to medium vacuum levels. The single-stage vane pump from Tekman is made with excellent efficiency in mind, using the least amount of energy possible to provide consistent vacuum pressure. Businesses that value cost savings and operational efficiency will find its small design and ease of maintenance appealing. Tekman's reputation for providing dependable and long-lasting vacuum solutions is further reinforced by the pump's capacity to withstand continuous operation in challenging settings.

Exceptional Customer Support and Service

Outstanding customer service is one of the main reasons Tekman is the go-to option for industrial vacuum pumps. Knowing that every sector has different needs, Tekman tailors its services to each industry's specifications. Tekman's team of professionals can help customers with anything from choosing the best vacuum pump to offering technical assistance and maintenance. They are always accessible to help. Additionally, the business provides after-sale assistance and training to make sure its customers get the most out of their vacuum equipment. Tekman's business philosophy is based on a strong emphasis on client satisfaction, which has played a vital role in building a devoted customer base.

Customization for Diverse Industrial Needs

Tekman's preference in the vacuum pump industry can also be attributed to its ability to tailor its products to the unique requirements of various sectors. Tekman offers a range of vacuum pump systems that may be customized to meet specific operating needs, be it food processing, metallurgy, or pharmaceuticals. The company makes sure that companies of all sizes discover the ideal vacuum pump for their needs by providing a broad selection of models and configurations. This adaptability is especially crucial in sectors of the economy where some applications call for specialized machinery.

Global Reach and Industry Reputation

The Tekman brand is well-known much beyond its immediate vicinity. The company has become a reliable name in industrial vacuum technology and has a global presence. Industries all over the world, including those in North America, Asia, and Europe, use Tekman's products, demonstrating the company's capacity to meet high performance and quality criteria set by international organizations. No matter where they are situated, clients will always receive prompt support and service because of the company's robust global network. The fact that Tekman has become successful internationally is a testament to both its dependability and the trust that companies have in its vacuum solutions.

[medprime]

The Power of Digital Microscopes in Modern Science and Industry

In the age of digital transformation, every industry is experiencing a revolution, and microscopy is no exception. Digital microscopes are paving the way for deeper, more detailed insights into the microscopic world. These devices, which combine advanced optics with high-resolution digital imaging, are transforming how we view the smallest details across various fields. From biological research to electronics manufacturing, their impact is profound. This article dives deep into the technology behind digital microscopes, their applications, and their growing importance.

What is a Digital Microscope?

A digital microscope differs from traditional microscopes in its ability to display magnified images on a monitor. It incorporates a camera that captures and processes images, allowing real-time visualization and digital recording. These microscopes have enhanced capabilities, enabling users to manipulate, zoom, and analyze images in ways that were previously impossible with analog systems.

Unlike traditional microscopes, which require an eyepiece for viewing, digital microscopes present images on screens, providing a clearer, more accessible experience for multiple users. This also eliminates the strain of looking through an eyepiece for extended periods, making them more ergonomic and user-friendly.

Key Components of a Digital Microscope

Digital microscopes combine several key components to function effectively:

Optics: The quality of lenses in a digital microscope is crucial. The optical system determines the clarity and precision of the magnified image.

Camera: A high-resolution camera captures the image and transmits it to a screen. Modern digital microscopes come equipped with high-definition or even 4K cameras, providing crystal-clear images.

Illumination: Lighting is essential in microscopy. Digital microscopes often come with LED lights or adjustable light sources to optimize image quality.

Software: One of the most significant advantages of digital microscopes is the accompanying software. With the right software, users can capture images, create time-lapse videos, and conduct 3D reconstructions of the samples.

Applications of Digital Microscopes

The versatility of digital microscopes allows them to be used across a variety of industries. Here are some of the main areas where digital microscopes are making a significant impact:

1. Biological and Medical Research

In the world of biology and medicine, digital microscopes are crucial for studying everything from cells to tissues. Researchers can record high-quality images, share them in real-time with colleagues globally, and even analyze cell structures at molecular levels. They are especially beneficial in areas such as genetic research, where understanding intricate details is key.

Digital microscopes also assist in clinical diagnostics, allowing pathologists to examine histological samples more efficiently. Their ability to save and store images means physicians can track disease progression or compare patient data over time, enhancing the overall diagnostic process.

2. Electronics and Semiconductor Manufacturing

In the electronics industry, ensuring the quality of microchips and circuit boards is paramount. Digital microscopes provide the magnification and clarity needed to inspect these tiny components for flaws. Their real-time imaging helps manufacturers identify defects in semiconductors, solder joints, and other critical elements, ensuring that each product meets strict industry standards.

The ability to zoom in on components without physically touching them is a significant advantage. It reduces the risk of damage and contamination, especially when working with sensitive electronic parts.

3. Material Science and Metallurgy

In material science and metallurgy, analyzing the composition and structure of metals, alloys, and other materials requires detailed visualization at a microscopic level. Digital microscopes allow for the study of fracture patterns, grain structures, and surface imperfections. This aids in understanding how materials perform under stress, temperature, and other conditions.

In failure analysis, digital microscopes can identify the causes of structural failure in metals, plastics, or composites, helping industries improve product durability and safety.

4. Education and Training

In academic settings, digital microscopes are becoming an essential teaching tool. They allow instructors to project live images onto large screens, making it easier to demonstrate complex microscopic processes to students. Moreover, their digital capabilities enable remote learning, where students can participate in microscopy labs from anywhere in the world.

This technology is also invaluable in training the next generation of biologists, engineers, and physicians by providing hands-on experience with cutting-edge equipment.

Benefits of Using Digital Microscopes

There are several distinct advantages of using digital microscopes over traditional ones:

1. Enhanced Visualization

With the ability to project images onto large screens, digital microscopes offer enhanced visualization for both individuals and groups. This is particularly beneficial in team-based research or when presenting findings to a larger audience.

2. Digital Storage and Sharing

Digital microscopes provide easy ways to capture, store, and share images. Researchers no longer need to manually document their findings. Instead, they can save high-resolution images directly to their computers, making it easier to track progress or share data with colleagues around the world.

3. Measurement and Analysis Tools

Advanced software tools allow users to measure and analyze microscopic features more accurately. Whether it's calculating the dimensions of a cell or assessing the surface roughness of a material, digital microscopes offer precision that’s unmatched by analog systems.

4. Ergonomics and Comfort

Traditional microscopes can cause eye strain, neck pain, and discomfort over prolonged use. Digital microscopes eliminate this by projecting images on a screen, allowing users to work in a more relaxed and ergonomic posture.

5. Cost Efficiency

Though the initial investment in digital microscopes may be higher, the long-term benefits—such as improved accuracy, efficiency, and reduced errors—often result in cost savings for companies and research institutions.

Choosing the Right Digital Microscope

When selecting a digital microscope, several factors need to be considered:

Magnification: Ensure that the microscope offers sufficient magnification for your needs. Higher magnifications are essential in fields like genetics and nanotechnology, while lower magnifications may suffice for tasks like electronics inspection.

Resolution: A high-resolution camera is crucial for capturing detailed images. Look for microscopes with at least 1080p resolution, though 4K options are available for those needing ultra-precise imaging.

Software Integration: The accompanying software should provide all the tools you need, from image capture to analysis. Look for features like 3D imaging, automated measurement, and multi-user collaboration tools.

Ease of Use: Choose a microscope that is intuitive and easy to operate, especially if it will be used by multiple people in different departments or locations.

The Future of Digital Microscopy

The future of digital microscopy is promising, with constant advancements being made in imaging technology, AI integration, and data analysis. Artificial intelligence and machine learning will further enhance the capabilities of digital microscopes, enabling automated diagnostics, predictive analysis, and improved research efficiency. This will undoubtedly revolutionize industries ranging from healthcare to manufacturing, ensuring that digital microscopes remain at the forefront of scientific discovery.

As nanotechnology and quantum computing evolve, the demand for ultra-high-resolution imaging systems will continue to grow. This will lead to the development of even more sophisticated digital microscopes capable of visualizing structures at the atomic level.

In conclusion, digital microscopes are not just tools of observation; they are essential instruments driving innovation in multiple industries. By combining powerful optics with cutting-edge digital capabilities, these devices are reshaping how we understand and interact with the microscopic world.

[jcmarchi]

Professor Emeritus John Vander Sande, microscopist, entrepreneur, and admired mentor, dies at 80

New Post has been published on https://thedigitalinsider.com/professor-emeritus-john-vander-sande-microscopist-entrepreneur-and-admired-mentor-dies-at-80/

Professor Emeritus John Vander Sande, microscopist, entrepreneur, and admired mentor, dies at 80

MIT Professor Emeritus John B. Vander Sande, a pioneer in electron microscopy and beloved educator and advisor known for his warmth and empathetic instruction, died June 28 in Newbury, Massachusetts. He was 80.

The Cecil and Ida Green Distinguished Professor in the Department of Materials Science and Engineering (DMSE), Vander Sande was a physical metallurgist, studying the physical properties and structure of metals and alloys. His long career included a major entrepreneurial pursuit, launching American Superconductor; forming international academic partnerships; and serving in numerous administrative roles at MIT and, after his retirement, one in Iceland.

Vander Sande’s interests encompassed more than science and technology; a self-taught scholar on 17th- and 18th-century furniture, he boasts a production credit in the 1996 film “The Crucible.”

He is perhaps best remembered for bringing the first scanning transmission electron microscope (STEM) into the United States. This powerful microscope uses a beam of electrons to scan material samples and investigate their structure and composition.

“John was the person who really built up what became the MIT’s modern microscopy expertise,” says Samuel M. Allen, the POSCO Professor Emeritus of Physical Metallurgy. Vander Sande studied electron microscopy during a postdoctoral fellowship at Oxford University in England with luminaries Sir Peter Hirsch and Colin Humphreys. “The people who wrote the first book on transmission electron microscopy were all there at Oxford, and John basically brought that expertise to MIT in his teaching and mentoring.”

Born in Baltimore, Maryland, in 1944, Vander Sande grew up in Westwood, New Jersey. He studied mechanical engineering at Stevens Institute of Technology, earning a bachelor’s degree in 1966, and switched to materials science and engineering at Northwestern University, receiving a PhD in 1970. Following his time at Oxford, Vander Sande joined MIT as assistant professor in 1971.

A vision for advanced microscopy

At MIT, Vander Sande became known as a leading practitioner of weak-beam microscopy, a technique refined by Hirsch to improve images of dislocations, tiny imperfections in crystalline materials that help researchers determine why materials fail.

His procurement of the STEM instrument from the U.K. company Vacuum Generators in the mid-1970s was a substantial innovation, allowing researchers to visualize individual atoms and identify chemical elements in materials.

“He showed the capabilities of new techniques, like scanning transmission electron microscopy, in understanding the physics and chemistry of materials at the nanoscale,” says Yet-Ming Chiang, the Kyocera Professor of Ceramics at DMSE. Today, MIT.nano stands as one of the world’s foremost facilities for advanced microscopy techniques. “He paved the way, at MIT, certainly, and more broadly, to those state-of-the-art instruments that we have today.”

The director of a microscopy laboratory at MIT, Vander Sande used instruments like that early STEM and its successors to study how manufacturing processes affect material structure and properties.

One focus was rapid solidification, which involves cooling materials quickly to enhance their properties. Tom Kelly, a PhD student in the late 1970s, worked with Vander Sande to explore how fast-cooling molten metal as powder changes its internal structure. They discovered that “precipitates,” or small particles formed during the rapid cooling, made the metal stronger.

“It took me at least a year to finally get some success. But we did succeed,” says Kelly, CEO of STEAM Instruments, a startup that is developing mass spectrometry technology, which measures and analyzes atoms emitted by substances. “That was John who brought that project and the solution to the table.”

Using his deep expertise in metals and other materials, including superconducting oxides, which can conduct electricity when cooled to low temperatures, Vander Sande co-founded American Superconductor with fellow DMSE faculty member Greg Yurek in 1987. The company produced high-temperature superconducting wires now used in renewable energy technology.

“In the MIT entrepreneurial ecosystem, American Superconductor was a pioneer,” says Chiang, who was part of the startup’s co-founding membership. “It was one of the early companies that was formed on the basis of research at MIT, in which faculty spun out a company, as opposed to graduates starting companies.”

To teach them is to know them

While Yurek left MIT to lead the American Superconductor full time as CEO, Vander Sande stayed on the faculty at DMSE, remaining a consultant to the company and board member for many years.

That comes as no surprise to his students, who recall a passionate and devoted educator and mentor.

“He was a terrific teacher,” says Frank Gayle, a former PhD student of Vander Sande’s who recently retired from his job as director at the National Institute of Standards and Technology. “He would take the really complex subjects, super mathematical and complicated, and he would teach them in a way that you felt comfortable as a student learning them. He really had a terrific knack for that.”

Chiang said Vander Sande was an “exceptionally clear” lecturer who would use memorable imagery to get concepts across, like comparing heterogenous nanoparticles, tiny particles that have a varied structure or composition, to a black-and-white Holstein cow. “Hard to forget,” Chiang says.

Powering Vander Sande’s teaching, Gayle said, was an aptitude for knowing the people he was teaching, for recognizing their backgrounds and what they knew and didn’t know. He likened Vander Sande to a dad on Take Your Kid to Work Day, demystifying an unfamiliar world. “He had some way of doing that, and then he figured out how to get the pieces together to make it comprehensible.”

He brought a similar talent to mentorship, with an emphasis on the individual rather than the project, Gayle says. “He really worked with people to encourage them to do creative things and encouraged their creativity.”

Kelly, who was a University of Wisconsin professor before becoming a repeat entrepreneur, says Vander Sande was an exceptional role model for young grad students.

“When you see these people who’ve accomplished a lot, you’re afraid to even talk to them,” he says. “But in reality, they’re regular people. One of the things I learned from John was that he’s just a regular person who does good work. I realized that, Hey, I can be a regular person and do good work, too.”

Another former grad student, Matt Libera, says he learned as much about life from Vander Sande as he did about materials science and engineering.

“Because he was not just a scientist-engineer, but really a well-rounded human being and shared a lot of experience and advice that went beyond just the science,” says Libera, a materials science and engineering professor at Stevens Institute of Technology, Vander Sande’s alma mater.

“A rare talent”

Vander Sande was equally dedicated to MIT and his department. In DMSE, he was on multiple committees, on undergraduates and curriculum development, and in 1991 he was appointed associate dean of the School of Engineering. He served in the position until 1999, taking over as acting dean twice.

“I remember that that took up a huge amount of his time,” Chiang says. Vander Sande lived in Newbury, Massachusetts, and he and his wife, Marie-Teresa, who long worked for MIT’s Industrial Liaison Program, would travel together to Cambridge by car. “He once told me that he did a lot of the work related to his deanship during that long commute back and forth from Newbury.”

Gayle says Vander Sande’s remarkable communication and people skills are what made him a good fit for leadership roles. “He had a rare talent for those things.”

He also was a bridge from MIT to the rest of the world. Vander Sande played a leading role in establishing the Singapore-MIT Alliance for Research and Technology, a teaching partnership that set up Institute-modeled graduate programs at Singaporean universities. And he was the director of MIT’s half of the Cambridge-MIT Institute, a collaboration with the University of Cambridge in the U.K. that focused on student and faculty exchanges, integrated research, and professional development. Retiring from MIT in 2006, he pursued academic projects in Ecuador, Morocco, and Iceland, and served as acting provost of Reykjavik University from 2009 to 2010.

He had numerous interests outside work, including college football and sports cars, but his greatest passion was for antiques, mainly early American furniture.

A self-taught expert in antiquarian arts, he gave lectures on connoisseurship and attended auctions and antique shows. His interest extended to his home, built in 1697, which had low ceilings that were inconvenient for the 6-foot-1 Vander Sande.

So respected was he for his expertise that the production crew for 20th Century Fox’s “The Crucible” sought him out. The film, about the Salem, Massachusetts, witch trials, was set in 1692. The crew made copies of furniture from his collection, and Vander Sande consulted on set design and decoration to ensure historical accuracy.

His passion extended beyond just historical artifacts, says Professor Emeritus Allen. He was profoundly interested in learning about the people behind them.

“He liked to read firsthand accounts, letters and stuff,” he says. “His real interest was trying to understand how people two centuries ago or more thought, what their lives were like. It wasn’t just that he was an antiques collector.”

Vander Sande is survived by his wife, Marie-Teresa Vander Sande; his son, John Franklin VanderSande, and his wife, Melanie; his daughter, Rosse Marais VanderSande Ellis, and her husband, Zak Ellis; and grandchildren Gabriel Rhys Pelletier, Sophia Marais VanderSande, and John Christian VanderSande.

[metallurgyandmetrology]

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@GMultitek

[rifleseye]

@tacticturn said.

Claws pick their way across the table between them, casual, as Percy is distracted going on about the subject. It was a slow careful crawl, until the edges of his pointed digits find Percy's and their fingers twine. For a little while that's how it remains, Thundercracker jotting notes down with the opposing hand and still paying attention, just doing so with the added bonus of their contact. Until the hand holding includes the gentle brush of the seeker's thumb over his knuckles, the delicate squeeze of their twined fingers, the casual affection in his gaze. At a point, when Percy takes a pause, TC lifts their hands, turns them so the backs face one another and leans to press a kiss, all too adoring to the back of the scientist's hand. Lingering in that intimacy, as if reluctant to pull away. But when he does, there's a smile in place there, lowering their hands back to the table surface. "Sorry. Couldn't help myself."

Initially, Perceptor is able to casually ignore Thundercracker's hand finding his own. His explanation of alpha decay in particle physics keeping his attention swayed. He's talking about how the phenomena is only present in heavier nuclides when TC's fingers interlock with his. Whatever sensors in his fingertips actively dulled so as not to be too distracted by his partner's spark pulse. And, for the most part, it stays that way.

He's about to move on to which elements in particular are most affected by alpha decay when TC rubs a thumb over his knuckles, then lifts his hand to his lips and— Well he's glad he was in between subjects. Otherwise he certainly would have stuttered.

Dulled sensors come to life and he feels the grain of Thundercracker's alloys. The subtlest of differences. Many do not realize, he thinks, that a Cybertronian's hand contains microscopic differences to anyone else. He has felt no two alike. He thinks he is close to memorizing the particular patterns Thundercracker's hands have.

Then there is the intimacy of feeling the electrical signals just beneath, the rhythm of his spark felt all the way in his claw tips.

There is no restrictions in the way Perceptor's face opens up, how it softens, then turns to mutual adoration. He does not normally allow himself to... feel like this. As intensely. There is a spark of who he was before his reformatting in his eye as he stares.

" It's um— " he stammers anyways, " it's fine. I-I don't mind. I um... I... cherish it when you do that. " He looks bashful now, ducking his head just a little. He feels he owes some sort of explanation: " I was meant for metallurgy microscopy. My tactile sensors upon my fingertips are more sensitive than the average Cybertronian. "

His smiles soft, despite his earlier shyness. " I can tell. Your spark pulse. I can feel it. The alloys that make up your hand. The grains in which ways it formed. The electrical pulses beneath. It is... a lot of information to process. But not unpleasant. "

[materialsscienceandengineering]

Steel, austenitised at 1200 centigrade for 120 s and then transformed isothermally at 350 centigrade for 2000 s before cooling to room temperature.

Composition Fe, C 0.24, Si 2.18, Mn 2.32, Ni 1.05 (wt%) [...] Processing The sample was metallographically polished flat prior to transformation. For details see E. Swallow & H. Bhadeshia, Materials Science and Technology 12 (1996) 121 [...] Sample preparation Polished flat prior to transformation. All visible relief is due to phase change - the sample is unetched. Technique Atomic force microscopy (AFM) Length bar 1 μm Further information Steel, austenitised at 1200 centigrade for 120 s and then transformed isothermally at 350 centigrade for 2000 s before cooling to room temperature. The specimen was polished prior to transformation. This atomic force microscope image shows the displacements caused by the formation of bainite. Contributor Prof H K D H Bhadeshia Organisation Department of Materials Science and Metallurgy, University of Cambridge

Source.

[labnics25]

Metallurgy Microscope

The Metallurgy Microscope NMM-100 is designed to meet the performance demands of the metal and alloy engineering industry. Equipped with a high-quality infinite far beam system. The unit has a coarse and micro-motion coaxial focusing system. It features a falling and transmission illumination system, an infinite long-distance flat field achromatic objective lens, and a built-in polarizing observation device.

[dynemechantivibration]

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