#Micro Vickers Hardness Tester

[hsmleindia]

Digital Micro Vickers Hardness Tester

Digital Micro Vickers hardness testers offer high accuracy, repeatability, and efficiency in micro hardness testing. Digital Micro Vickers Hardness Tester is widely used in industries such as aerospace, automotive, electronics, and precision manufacturing, where precise evaluation of material hardness and quality is crucial. The tester is specifically designed for micro Vickers hardness testing, which involves measuring the hardness of small and thin samples or localized areas of larger samples. It is commonly used in materials science, research, quality control, and failure analysis. It’s utilizes a Vickers diamond indenter to create the indentation on the sample surface. The Vickers indenter is known for its precise and reliable hardness measurements, making it suitable for micro hardness testing.

[roll-fast]

From Nuts to Bolts: Unleashing the Power of Versatile Industrial Fasteners

I am taking this content from this https://www.roll-fast.com/blog/fasteners-manufacturer .

In the fast-paced world of industrial manufacturing, the importance of reliable and high-quality fasteners cannot be overstated. From heavy windmills to small electronic appliances, every product relies on the strength and durability of its fasteners to hold it together. As such, finding a trustworthy and reputable fastener manufacturer is crucial for businesses looking to ensure the longevity and performance of their products.

India has emerged as a prominent hub for fastener manufacturing, with the market expected to reach INR 460 billion by the end of 2023 when it comes to fasteners manufacturer in India, one name stands out above the rest - Roll-fast. With their world-class setup and unwavering commitment to excellence, Roll-fast has earned its reputation as the best solution for all kinds of fastener requirements.

Choosing a Top Manufacturing Bolt and Nut Company in India:

What sets Roll-fast apart from other manufacturers is their unwavering dedication to quality. Each fastener produced goes through rigorous testing procedures to ensure that it meets or exceeds industry standards. This ensures that customers receive only the highest quality products that are built to last.

1. Expertise and Experience: Roll-fast has been manufacturing fasteners for the last 29 years with its expertise in bigger diameter bolts and nuts, it has also outperformed in the precision market. Roll-fast has been exporting precision turned components to more than 22 countries now.

2. Quality Assurance: Roll-fast ensures that they follows strict quality control measures and adheres to industry standards. We are an ISO 9001 certified company with a team of professionals in the quality department working continuously to give better results to our fasteners. With machines like tensile testing, impact testing, Rockwell hardness tester, micro vicker hardness tester and various other instruments for testing, we ensure our quality is the best available.

3. Technological Capabilities: Considering the technological advancement seen in the previous decade, we at roll-fast also moved ahead with time. We are proud to say our entire process, plant and machinery are run and operated on software’s like SAP, SCADA and many more. We have not only added technology in our manufacturing process but also ensure precision and uniformity in the manufacturing process.

4. Customization Options: We at Roll-fast make more than 10,000 types of fasteners depending upon their size, grade, coating, raw material etc. These fasteners can be forged, machined, tapped, drilled, hardened, annealed, turned components and even customised as per customers’ requirements and needs.

5. Timely Delivery: Timely delivery is critical to guaranteeing smooth operations in our industry. We make sure we deliver to our words and the commitment we made to our customers.

Fasteners manufacturer Industries that rely on Roll Fast

Roll-fast's commitment to customer satisfaction is also second to none. Their team of experts works closely with clients to understand their specific needs and provide tailored solutions accordingly. Whether it's a standard sizes, precision turned components or a custom-made fastener, Roll-fast delivers with precision and efficiency.

Moreover, as a trusted and leading brand in the fastener industry, Roll-fast has built long-lasting relationships with customers across various sectors including automotive, construction, renewable, HVAC, and more. Their consistently reliable products have made them a go-to choice for businesses seeking durable solutions for their fastening needs.

So if you're seeking versatile industrial fasteners that don't compromise on quality or reliability, look no further than Roll-fast. With their state-of-the-art facility and unmatched expertise in the field, they are poised to meet all your requirements efficiently and effectively.

Conclusion:

In conclusion, when it comes to unleashing the power of versatile industrial fasteners in India, Roll-fast is truly a cut above the rest. With their commitment to excellence, world-class setup, and unmatched customer satisfaction record , they are the preferred choice for businesses seeking high-quality fasteners that stand the test of time. Trust in Roll-fast for all your fastening needs and experience the difference that true craftsmanship can make.

[testcoatonline]

Common Inspection Equipment for Coating & Paint Industry

The inspection of paint and coatings is one of the most important stages in production. Without proper inspection, it is impossible to ensure quality or determine if a coating has achieved the desired properties.

Paint and coatings industry-specific inspection equipment are designed for different applications, e.g.: durability testing, washability testing, hardness testing, glossmeter and even color measurement. Which testing equipment to choose depends on the production process, production quality requirements and the specific properties of the product being manufactured.

Washability tester: This is one of the most common paint inspection tools used in the coating industry. Washability tester measures both flash rust and salt spray resistance of a product by using a washability test bench. Flash rust is the rusting that occurs when exposed to air for 24 hours after washing with water.

Paint Microhardness Testing System: Micro hardness testing is an important tool for coating and paint testing. It utilizes a roller with the thickness of a 0.5mm steel plate in order to receive a sample from the base coat layer of the product being tested and then apply a stamping force of over 25N to measure the hardness of the material. Hardness value is normally expressed in Rockwell (HV) scale, which is determined by measuring the number of indentations made by a ruby ball under constant pressure against compound steel that has grains. The higher the hardness value, the lower the indentation.

Paint Vickers Hardness Testing System: Vickers hardness testing measures a coating or paint's ability to achieve high-gloss or passes a polish test without showing signs of flaking, cracking or disintegration. A hammer is used to repeatedly strike an aluminum plate with a specific force until it cracks. The set force required to produce a single crack is called Vickers hardness. It can be used in coating and paint inspection as well as in product quality control before packaging and shipping.

Color measurement device: Color measurement is important to determine the color of the paint or coating before applying. This will help prevent color errors, which result in poor paint quality (color reversal), reduced life, and increased cost of production.

Digital micro Vickers hardness testing system: This Digital micro Vickers hardness testing system provides a fast and efficient way to evaluate the hardness of coating layers by measuring the depth of indentation made by a ruby ball under constant pressure as it rolls against steel bars with grains. The hardness value is usually expressed in Rockwell (HV) scale, but can be converted to another standard such as Vickers (HV) scale if desired.

Rockwell hardness testing system: The Digital Rockwell hardness testing system is widely used in the industrial field to measure the surface hardness of a variety of materials such as paints, coatings, plastics, rubber and metal alloys.

Paint meter: Paint meter is a small precision device or instrument that will measure the amount or density of a particular paint or coating applied onto an object/surface. Paint meters are especially helpful when applying coatings like wall-paint, window-paint and cabinet-paint in residential homes.

About TestCoat:

For many years, TestCoat has been a trustworthy partner and leader in the supply and distribution of inspection equipment, laboratory & physical test equipment for the coatings and paint industries. We supply non-destructive quality control and testing instruments such as Paint thickness Mil Gauges, Gloss meters, portable and benchtop metal hardness testers, laboratory mixersviscometers, film applicatorsdrying time recorder, cupping testers, Wet scrub abrasion testers, Coating inspection kits with advanced technology, and of the highest standards.

For more information, visit https://www.testcoat-usa.com/

Original Source - https://bit.ly/3vsmahI

[testcoatinc-blog]

Hardness Test

Discover our exclusive range of digital micro Vickers hardness tester, portable hardness tester and Rockwell hardness testing on testcoat-usa.com. Free Shipping On Order Over $100!

Read more about -  Hardness Test

[qiujumper]

How to Choose Hardness Test (For Beginner)?

Hello, my best friend! How have you been? We haven’t talked to each other for a while.

In this video, I will show you some tips on how to choose the proper hardness tester for your product.

As you know, choosing the wrong hardness tester will waste lots of money!

So follow us, let’s go!

Manufacturers and scientists normally go through the hardness test of any solid material to know the quality or identify the element.

The hardness gives an idea about the material’s characteristic behavior.

The material properties such as resistance, durability, strength, denting, etc. can be determined by doing the hardness test.

Otherwise, it is really hard to know whether the material will serve the purpose or not. Determine the testing method for the test is an important task.

The type, size, and microstructure everything must be considered for that.

So, seriously, how to choose the right hardness tester?

Before we go further, let me tell you something, my old sport.

Just between you and me.

if you are looking to buy a professional and high-quality hardness tester,

please visit our website www.test-hardness.com. and, please, please remember to ask for a coupon!

Keep this secret for me, would you?

Ok, let’s move on.

For testing the hardness of metallic objects, there are a few methods,

like the Rockwell hardness test, the Vickers hardness test, the Knoop hardness test, and the Brinell hardness test.

What is Rockwell hardness test?

The Rockwell test is the most common and easiest method used in the industry.

An indent is there which is inserted into the surface of the material by a major load and then the depth is measured.

It is the quickest and most convenient one used for a larger sample.

What is The Vickers hardness test?

The Vickers test also another one used for measuring the hardness of all types of solid materials.

The diagonal lengths are measured to calculate the hardness of the sample. It is used for both the macro hardness testing and microhardness testing.

What is The Knoop hardness test?

The Knoop test can be the alternative to the Vickers test. It is applicable to materials like ceramic which is brittle and hard as well. The hardness test is done at the micro-level.

The indenter that is used is a pyramidal diamond-shaped and asymmetric.

It is suitable for small areas. It helps to test thin layer hardness like coating. The cracking problem can be solved by this.

What is The Brinell hardness test?

The Brinell hardness test is for materials that have a grain structure and are large in size.

Here a carbide ball is used to measure the hardness optically.

what is Mohs hardness test?

For minerals or rocks, the most common test is the Mohs hardness test.

How to test hardness for woods?

For woods, the most common is the Janka test.

Here, a small steel ball is inserted on the surface and the force is measured to know the hardness.

To get an accurate result, there are a few other factors that must be considered and controlled,

like vibrations, temperature, light, humidity, temperature, etc.

Do you have a good time today?

We will talk about How to test the hardness of rocks at home in the next video.

Don’t forget to subscribe to our channel to watch more videos about professional hardness testers, my dear old sport.

Also, you can check our website www.test-hardness.com to find more information about our hardness tester product and latest industry news.

Stay tuned for the next episode my dear best friend!

I hope you have a wonderful day!

See you.

https://youtu.be/4ipwT4BvZYg

[canantestingservices]

Providing you the best range of Hardness Testing Machines such as Rockwell Hardness Tester, Brinell Hardness Tester, Vickers Hardness Tester, Rockwell Cum Superficial Hardness Tester, Rockwell Cum Brinell Hardness Tester, Digital & Computerized Hardness Testing Machines and best quality spares of Hardness Testing Machines with timely delivery. We recommend you contact us, for assistance in specifying and ordering FIE Rockwell hardness machine, FIE Vickers hardness machine, FIE micro-hardness machine, Test blocks for Brinell & Rockwell hardness machine, Indenter for Rockwell hardness, Micro hardness testing machine, Calibration of Rockwell and Brinell hardness machines.

Visit: https://canantesting.com/hardness-testing-machines.html

[juniperpublishers-ttsr]

Investigation of Temperature Effects on Microstructure of Pure Titanium

Abstract

In this study, pure titanium powders were sintered by sealing in quartz tubes vacuumed from oxygen for 4 hours at 3 different temperatures by using powder metallurgy method. Temperature values selected for sintering of samples are 900oC, 1000oC and 1150oC respectively. SEM, EDX, XRD tests were performed for microstructure analysis of samples produced by powder metallurgy, and finally, the effects of sintering temperature on the microstructure of pure titanium were determined by measuring the Vickers hardness values of the samples. According to the results obtained, the sintering temperature has great effects on the microstructure of pure titanium. In addition, the Vickers value measured for 900 0C as 263 kgf/mm2, for 1000oC as 382 kgf/mm2 and finally 528 kgf/m m2 for 1150oC temperature sintering.

Keywords:Pure-Ti; Sintering Temperatures; Microstructure; Powder Metallurgy

    Introduction

Titanium is the most widely used implant of recent years, because of its protective effect on between bond and tissue during implantation, also triggering the formation of calcium ions around it and accelerating bone formation [1]. Titanium also experiences an allotropic α-phase to β-phase transformation at a temperature of 882oC, which causes the most important mechanical properties of the metal to be changed, particularly the flexibility. There is no guarantee that the metal undergoing allotropic transformation will remain in a continuous β-phase structure [2]. When the metal descends to room temperature, all of the weak β-phase structures can be transformed into α-phase structures. This critical transformation can be vital for these metals used in human tissues and organs [3]. Also, the microstructure of titanium implants is known to have important effects on the most important parameters of the implant, such as corrosion. Even though titanium allotropic conversion begins at 882oC, a stable microstructure at this temperature may not be possible. Therefore, it is very important to discover a temperature and homogeneous microstructure in titanium metal and a temperature value in which the elevated B phase region coexists. In this case, it has been found suitable for the same metal types to increase the small sintering temperature by starting the experiment at the temperature value where allotropic conversion starts. Therefore, in this study, starting from the allotropic transformation temperature value, three pure titanium were produced at 900oC, 1000oC and 1150oC temperatures respectively. Analyses of the samples were compared by XRD, SEM, Micro Hardness measurements. In order to produce pure titanium metals, powder metallurgy has been the chosen method for the production, considering its success in producing metals with high melting temperatures.  

    Experimental Methods

The powders of the metals used in this study were obtained from the Nanography company. Characteristic properties of these powders are Titanium (Ti) Purity: 99.9%, Size: 100 mesh, density 4,507 g/cm3. The metal powders pressed in an 11mm diameter pellet die for 30 minutes at 20Mpa pressure. The pressed sample sintered in oxygen vacuumed environment. The sintering process was carried out at 900oC, 1000oC and 1150oC for 4 hours respectively. sintered sample is given in Figure 1.  

X-ray diffraction analysis (XRD) was performed for phase analysis of Pure Titanium and Cobalt alloys produced by powder metallurgy. Measurements were made using XRD-6100 Shimadzu, XRD scanning Range (100-900), Cu X-ray tube target, voltage = 40.0 (kV) and current = 30.0 (mA) measurement details used. Scanning electron microscopy (SEM) was used to compare the sample (P/M) particle size, pore diameters, and oxide content. The surface morphology of the samples was observed using an area emission scanning electron microscope (FEI XL30 Sirion). Hardness measurements, (Micro Hardness Tester FM-310e) was used to obtain the hardness values of the surface of the samples. Hardness values were taken under 100g load for 10 sec. Hardness values were taken from 5 different points on the surface of the sample. The average of 5 Vickers values was accepted as the final hardness value.  

    Results and Discussion

SEM And EDX Analysis

Figure 2 shows XRD pattern of pure titanium diffractometers sintered at 900°C, 1000°C, 1150°C respectively. Accordingly, targeted Titanium diffractometers were achieved at all 3 temperatures. The XRD cards of the titanium structures obtained were found to be 00,044,1294> Ti for all 3 samples. It is seen that α-Ti (hcp) structures are transformed to β-Ti (bcc) structures with increasing sintering temperature. Finally, the final β-Ti phases are formed at 1150°C.

Figure 3 (f) An example is provided for EDX analysis of samples. As can be seen in the picture, there is a dominant Titanium peak, and there is no oxidation in samples. SEM images of pure titanium metals produced at three different temperature values (900°C, 1000°C and 1150°C) have a more stable surface morphology. Furthermore, the pore structures seen in this sample appear to be more uniform and closer to spherical geometry. It is seen that pore diameters and grain size values decrease as sintering temperature increases.

Micro Hardness Tester

The Vickers hardness tester is the test engine that least damages the sample among the material tests. Similar properties have been reported between the Vickers hardness and mechanical properties of a material. Hardness measurements, Vickers hardness Notch machine (Micro Hardness Tester FM-310e) was used to obtain the hardness values of the surface of the samples. The hardness values were taken under a load of 100g for a 10-sec holding time. Hardness values were taken from 5 different points on the surface of the sample. The average of 5 Vickers values was accepted as the final hardness value. The average hardness values were given at Table 1.

    Conclusion

Pure titanium powders are produced by powder metallurgy at different temperatures. As the sintering temperature increased, the β-phase region increased in the samples, particle sizes and pore diameters decreased and finally micro hardness values increased. Homogeneous microstructure was obtained in all three samples.

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[dspkorea]

Titanium color coating with world-class PVD Technology | DSP

The DSP Co., Ltd. is a World-Wide class color coated metal sheet manufacturer that boasts its unique state-of-the-art technology accumulated for more than 30 years.  DSP delivers beauty to the world as a global leading company in metallic color coatings that features long-lasting durability of various colors.

DSP’s various metallic color coatings utilizing PVD Technology

ü Champagne Gold

ü Gold

ü Bronze

ü Blonde

ü Caramel

ü Coffee Brown

ü Sepia

ü Diamond Black

ü Black 

DSP’s advanced PVD Titanium coating

DSP uses advanced Physical Vapor Deposition (PVD) coating technology based on cutting-edge high vacuum technology to produce elegant, beautiful durable colors and produces arc-ion plated colored stainless steel products. copper roofing manufacturer

This surface treatment process allows for wear-resistant coatings to be 10 times stronger than normal stainless steel products and lasts longer than any other coloring process known to date.

The DSP stainless steel products are characterized by their color and gloss which are semi-permanent and strong enough to withstand acid rain and contaminants. It has also greater resistance to fire and to chemicals than any other exterior finish materials.

Ahead-of-competition features of DSP’s PVD Titanium coating

ü  The Hardness of Thin Films

The hardness of the thin film of this product measured with the Micro Vickers tester is at least 10 times higher than that of stainless steel.

ü  Adhesion of Films

As a result of performing the peel test by scratching the product with a knife at an interval of 2 mm and putting cellophane tape on the surface, no film peeling was observed. 

ü  Shock Resistance

As a result of visual assessment by observation after a 1-kg steel ball dropped on the product from the height of 50 cm by using the DuPont impact tester, there was no damage or discoloration.

ü  Scratch Hardness

As usual scratches start to appear from ion plating scratched at the speed of 150 mm/min by using the Clemens type scratch hardness tester. Ion plating has 3 times higher scratch hardness than chemical plating.

Quality-guaranteed QC test of DSP’s PVD Titanium coating

ü  Artificial Sweat Test

The artificial sweat liquid similar to human sweat (PH 4.5, JIS LO848) is prepared. The ion-plated frame is then submerged at room temperature for 8 hours. Afterward, it‘s removed and left to dry at room temperature for 16 hours. The table shows the results obtained when this sequence is repeated 7 times. No corrosion of ion plating from artificial sweat occurred on the metal plate. pvd coating colors

ü  Wear Resistance

As a result of applying a load of 500g on an eraser by using a SUGA rotational abrasion tester on the surface with a thickness of 0.5 microns for ion plating and wearing it down for 200 repetitive cycles, the color reaction of chemical compounds were exposed but ion-plated films were not peeled off.

ü  Wet Test

As a result of visually observing the change in the color of the ion-plated material after being left for 500 hours at the temperature of 50°C and the humidity of 98%, no problem was found.

[metallurgyandmetrology]

Precision Meets Excellence with Multitek Technologies!

🚀 Introducing the Load Cell Vickers Hardness Tester 🚀

At Multitek Technologies, we take pride in delivering state-of-the-art solutions that redefine industry standards. Our Load Cell Vickers Hardness Tester is designed for precision, reliability, and accuracy, ensuring your materials meet the highest quality benchmarks.

🏆 Why Choose Us?

NABL Certified Lab: Trust the certification that guarantees the highest standards of testing. Cutting-Edge Technology: Our Load Cell Vickers Hardness Tester offers unparalleled accuracy and repeatability. Expert Manufacturing: Engineered by industry leaders, designed for peak performance. 🔍 Whether you're in metallurgy, research, or quality control, our hardness tester is your partner in precision!

👉 Contact us today to learn more about how we can elevate your material testing process. https://www.youtube.com/watch?v=dfWwdXo07l4

MultitekTechnologies #HardnessTester #NABLCertified #VickersHardness #MaterialTesting #PrecisionEngineering

[hsmleindia]

Micro Vickers Hardness Tester With Touch Screen

Micro Vickers hardness tester with a touch screen is an advanced testing instrument used to measure the micro hardness of materials using the Vickers hardness testing method. It incorporates a touch screen interface for easy and intuitive operation, enhancing user experience and functionality. Micro Vickers hardness tester with a touch screen combines the benefits of digital technology, user-friendly operation, and advanced functionalities. The touch screen interface simplifies the operation, enhances data visualization, and allows for customization of test settings and report generation, making it a powerful tool for micro hardness testing. The optical system designed by our senior optical engineer not only meet the definition of hardness testing requirements, but also can observe the micro structure of the material, image is very clear. With Vickers hardness and Knoop hardness testing capabilities. By measuring the indentation diagonal length, the hardness will show on the screen directly, no need to check hardness table. Industrial digital touch screen can direct display hardness value, conversion hardness value, testing method, testing force, dwell time, easy for operator to save the data.

[multitechnologies]

Abrasive Cutting Machine: A Versatile Tool for Precise Material Processing

Introduction

Abrasive cutting machines have revolutionized the way various materials are processed and shaped across industries. These powerful and versatile tools utilize abrasive wheels to precisely cut, grind, and remove excess material, providing a cost-effective and efficient solution for manufacturers, metalworkers, and craftsmen. In this article, we will delve into the mechanics, applications, benefits, and safety considerations associated with abrasive cutting machines.

Understanding Abrasive Cutting Machines

Abrasive cutting machines, also known as cut-off machines or chop saws, are robust mechanical devices designed to make clean, precise, and controlled cuts through various materials. The heart of these machines is the abrasive wheel, a circular disc embedded with abrasive particles, such as aluminum oxide, silicon carbide, or diamond grit. The wheel's rotation generates friction against the material, resulting in the removal of excess material and the formation of the desired cut.

Mechanics of Abrasive Cutting Machines

Abrasive cutting machines typically consist of the following key components:

Motor and Drive System: A powerful motor provides the necessary rotational force to spin the abrasive wheel at high speeds. The drive system ensures smooth and consistent motion, contributing to accurate cutting performance.

Abrasive Wheel: The type and composition of the abrasive wheel depend on the material being cut. Different wheels offer varying levels of hardness and abrasiveness to suit specific applications.

Workpiece Clamping Mechanism: The workpiece is securely clamped or held in place during cutting to prevent movement and ensure precise cuts.

Cutting Table: The cutting table provides support to the workpiece, keeping it steady during the cutting process.

Applications of Abrasive Cutting Machines

Metal Fabrication: Abrasive cutting machines are extensively used in metal fabrication workshops to cut various metals, including steel, aluminum, brass, and copper. They are indispensable for creating precise cuts in pipes, rods, sheets, and profiles.

Construction and Building Industry: In construction, abrasive cutting machines are employed for cutting concrete, asphalt, and masonry, enabling the creation of openings, expansion joints, and precise shapes in structures.

Automotive and Aerospace Industries: These machines are instrumental in shaping and cutting metal parts used in vehicles and aircraft, where precision and accuracy are critical.

Jewelry and Gem Cutting: For the jewelry industry, abrasive cutting machines equipped with diamond-grit wheels are used to cut and shape gemstones, providing intricate designs for jewelry pieces.

Benefits of Abrasive Cutting Machines

Precision and Accuracy: Abrasive cutting machines offer exceptional accuracy and repeatability, ensuring consistent results for complex cutting tasks.

Versatility: These machines can handle a wide range of materials, from metals to ceramics, composites, and gemstones, making them ideal for diverse applications.

Cost-Effective: Compared to other cutting methods, abrasive cutting machines are relatively cost-effective, especially for mass production tasks.

Speed and Efficiency: The high rotational speed of abrasive wheels allows for swift material removal, increasing productivity and reducing overall production time.

Safety Considerations

While abrasive cutting machines offer numerous benefits, they also come with inherent risks. Operators must adhere to strict safety guidelines to prevent accidents and injuries:

Proper Training: Only trained personnel should operate abrasive cutting machines, as they require skill and understanding of safety protocols.

Personal Protective Equipment (PPE): Operators should wear appropriate PPE, including safety glasses, ear protection, gloves, and dust masks to safeguard against flying debris and noise.

Secure Workpiece: Ensure that the workpiece is correctly clamped to prevent movement during cutting.

Regular Maintenance: Abrasive wheels should be regularly inspected for damage and wear, and replaced when necessary.

Conclusion

Abrasive cutting machines have become indispensable tools in various industries, offering precision, efficiency, and versatility for cutting and shaping a wide array of materials. As technology continues to advance, these machines will likely see further improvements, enhancing their performance and safety features. With proper training and adherence to safety guidelines, abrasive cutting machines will continue to play a pivotal role in material processing, propelling industries forward with their cutting-edge capabilities.

[rizki28-us]

Mengenal Hardness Tester/ Alat Ukur Kekerasan

Alat ukur kekerasan (Hardness Tester) adalah alat yang berfungsi untuk mengukur kekerasan material seperti batu, besi, baja, logam dll, selain itu kekerasan adalah salah satu sifat mekanik dari suatu material selain sifat fisik dan teknologik yang dimilikinya. Kekerasan memiliki rumus untuk pengujian kekerasan seperti ada , Brinnel (HB / BHN), Rockwell (HR / RHN), Vikers (HV /VHN) dan Micro Hardness (knoop hardness).

Pengujian kekerasan/ uji kekerasan adalah pengujian yang cukup efektif karena secara mudah mengetahui sifat mekanik suatu material. Walaupun cara pengukuranya hanya dilakukan pada satu titik tertentu. Hasil nilai yang muncul cukup valid untuk menghasilkan data kekuatan suatu material.

Dari sekian banyak pengujian yang telah dilakukan, pengujian kekerasan merupakan salah satu pengujian penting untuk menganalisa suatu material, biasanya pengujian dilakukan agar dapat mengetahui ketahanan terhadap deformasi plastik, suatu nilai yang penting untuk aplikasi dan industri.

Pengaruh beban, suhu dan  tekanan pada aktivitas manufaktur pun bisa memberikan dampak yang cukup besar terhadap kinerja material, terutama material yang berbahan logam. Karena nya pengujian kekerasan merupakan hal yang penting untuk menguji kualitas dari material, sehingga peran nya sangat penting pada proses control kualitas.

Berikut ini adalah metode yang digunakan dalam uji kekerasan :

Brinell ( HB/BHN )

Metode yang satu ini dalah metode yang paling banyak dipakai, cara kerja metode ini adalah dengan cara menekankan beban ke benda yang akan diuji dengan ukuran beban yang sudah ditentukan, lalu mangukur dan menganalisa bekas dari alat penekan. Tujuan dari metode yang satu ini adalah agar dapat menentukan seberapa keras suatu benda melalui tahap identor yang ditekankan pada permukaan benda yang sedang diuji, akan tetapi metode ini hanya dapat dilakukan pada benda yang meiliki permukaan kasar dengan rentan kekuatan 500 hingga 3000 kgf. Sementara itu identor atau bola jaya, adalah benda yang terbuat dari bahan karbida tungsten yang sudah di plating.

Rockwell ( HR/RHN )

Metode Rockwell adalah metode kekerasan suatu benda yang dapat ditentukan berdasarkan kenaikan bersih dari kedalaman beban yang diterapkan. Data yang dihasilkan bukan suat nomor unit, namun diberikan dalam bentuk skala seperti K,M,L,R,E semakin tinggi skala bendana maka akan semakin keras benda tersebut

Vickers ( HV/VHN )

Pengukuran dengan metode ini biasa disebut dengan metode microhardness, karena metode ini sering digunakan untuk benda kecil dan tipis. Metode ini dilakukan berdasarkan pengukuran optic, dengan cara menentukan rentang beban identor, dengan maksud membuat sebuah lekukan pada material yang diukur lali dikonfersikan ke nilai kekerasan. Cara tersebut sangat bergua apabila diuji pada benda yang lebih luas, namun sampel uji harus dipoles pada ukuran tayang

Testingindonesia.co.id  menjual produk alat ukur kekerasan, kami mensupply hardness tester dari brand Time dan Novotest, untuk informasi lebih lanjut dapat menghubungi 021-2956-3045 atau email sales@testingindonesia.com.

[testcoatonline]

Quality Inspection Equipment for Coating And Paint Industry

The majority of quality checks follow a protocol that involves multiple phases. When an evaluation goes bad, it's either the measures weren't precise or the tester didn't follow the instruction. In order to achieve the best results, you need quality inspection equipment. Here are some of the best equipment ideas you can follow for the paint and coatings industry.

Abrasion resistance testing instrument that uses brushes that slip over the surface of the material specimen, simulating everyday wear. This device is used to examine the abrasion resistance produced by a cleaner, brush, or other methods on the composite surface. The wet abrasion scrub tester can cause testable impact, and it can also simulate daily use by using various models of brushes under controlled conditions. A scrub abrasion and washability tester lets the most versatile application of the various scrub, corrosion, and washability measures. The base structure must first be chosen from two styles.

An automated coating thickness gauge may be used to measure the thickness on magnetic steel surfaces as well as non-magnetic metal surfaces like stainless steel or aluminium. For non-magnetic coatings on magnetic substances like steel, electromagnetic induction is used. For non-conductive coatings on non-ferrous metal surfaces, the eddy current concept is used. The depth of a highly acceptable is determined by measuring the film thickness. The amount of material used to achieve a certain coating thickness that provides the best security against degradation, wear, and oxidation must be determined.

A Vickers indenter and a full variety of test loads are included with the microhardness tester. On the measuring microscope, up to three of the improved long working distance targets can be placed, and an easy-to-read dual-line optical filar eyepiece is included for short and accurate indentation measurement. The hardness rating, as well as the test location results, are conveniently displayed on the touch screen LCD panel through the Digimatic micrometer heads. Data processing features such as hardness scale conversions, mathematical measurements, and OK/NG determinations are also used in the digital micro Vickers hardness testing system. Micro-hardness tester devices for Knoop and Vickers have a compact and dependable approach for precise micro-hardness testing, which can be used for quality management and metallurgical analysis.

The Rockwell scale is a hardness scale dependent on a material's indentation hardness. The Rockwell measure compares the penetration depth of a test specimen under a substantial load to the penetration depth created by a preload to measure hardness. The best GR&R performance is achieved by Rockwell hardness testers or paint meters, which attain the maximum degree of depth calculation precision and resolution possible. Digital Rockwell hardness testing system is available in a variety of sizes and capacities to fit a variety of sample sizes, as well as three distinct Rockwell standard, superficial, and twin hardness scales. The resistance of a material to norms established is known as its hardness. ASTM E-18 specifies current Rockwell Hardness test procedures, and anybody who wishes to run a Rockwell Hardness test can become acquainted with this test protocol.

About TestCoat:

For many years, TestCoat has been a trustworthy partner and leader in the supply and distribution of inspection equipment, laboratory & physical test equipment for the coatings and paint industries. We supply non-destructive quality control and testing instruments such as Paint thickness Mil Gauges, Gloss meters, portable and benchtop metal hardness testers, laboratory mixersviscometers, film applicatorsdrying time recorder, cupping testers, Wet scrub abrasion testers, Coating inspection kits with advanced technology, and of the highest standards.

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Hardness Test

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