#Neodymium Iron Boron Magnets

[mpcomagnetics]

Comprehensive Guide to Magnetic Performance Testing

Comprehensive Guide to Magnetic Performance Testing Do you know that the performance of your sintered NdFeB magnets can make or break your high tech applications? Learn the latest techniques to get top quality and reliability. Magnetic Performance Standards How do manufacturers guarantee every NdFeB magnet meets the performance standards? What are the new methods to measure magnetic properties…

[materialsscienceandengineering]

Scientists simulate magnetization reversal of Nd-Fe-B magnets using large-scale finite element models

NIMS has succeeded in simulating the magnetization reversal of Nd-Fe-B magnets using large-scale finite element models constructed based on tomographic data obtained by electron microscopy. Such simulations have shed light on microstructural features that hinder the coercivity, which quantifies a magnet's resistance to demagnetization in opposing magnetic fields. New tomography-based models are expected to guide toward the development of sustainable permanent magnets with ultimate performance. Green power generation, electric transportation, and other high-tech industries rely heavily on high-performance permanent magnets, among which the Nd-Fe-B magnets are the strongest and most in demand. The coercivity of industrial Nd-Fe-B magnets is far below its physical limit up to now. To resolve this issue, micromagnetic simulations on realistic models of the magnets can be employed.

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[hsmagnet]

How Does Air Gap Affect Magnet Selection?

How Does Air Gap Affect Magnet Selection? When selecting a magnet for a specific application, understanding the concept of air gap is crucial. An air gap refers to any non-magnetic material that separates a magnet from the ferromagnetic object it is intended to attract. This separation can significantly impact the performance of the magnet, primarily by affecting its holding force. 1. Definition…

[wayti-blog]

"Magnetic levitation is already employed in systems such as Maglev trains, flywheels and high-speed machinery. Now researchers at the Technical University of Denmark have given this old technology a fresh twist by explaining how a magnet can be levitated simply by rotating another magnet of a similar size near it. This unusual effect was first demonstrated by an electronics/computer and software engineer, Hamdi Ucar, in 2021, and the TU-Denmark team say it could be exploited in the contactless handling of objects or used to trap and manipulate ferromagnetic microparticles.

There are three main types of magnetic levitation. In the first, known as active magnetic stabilization, a control system supplies the magnetic force required keep the levitating object balanced. The second, termed electrodynamic suspension, is used in Maglev trains. Here, a moving magnet induces a current in a stationary conductor, producing a repulsive force that increases with the speed of the moving magnet. The last category, called spin-stabilized levitation, features a levitating magnet that spins at around 500 revolutions per minute (rpm) and remains stable thanks to the gyroscopic effect.

The new type of levitation involves two magnets. The first, dubbed the “rotor”, is mounted on a motor with its north and south poles oriented perpendicular to its rotation axis and made to rotate at velocities of around 10 000 rpm. In the TU-Denmark team’s experiments, this magnet was spherical, 19 mm in diameter and made from neodymium-iron-boron.

The second magnet – the “floater” – is placed near the rotor, begins to spin automatically, and then moves towards the rotor until it hovers in space a few centimetres below it. The floater precesses with the same frequency as the rotor and its magnetization is oriented close to the axis of rotation and towards the like pole of the rotor magnet. If disturbed, a restoring force moves it back to its equilibrium position.

“It is quite surprising that magnetic levitation develops in such as relatively simple system,” says Rasmus Bjørk, a physicist at TU-Denmark who led the study together with Frederik Laust Durhuus and Joachim Marco Hermansen."

"“It is intuitive to all that the magnetostatic force that one magnet exerts on another can be both attractive and repulsive,” explains Durhuus. “Without rotation, the free magnet will rotate so the force becomes purely attractive and then the magnets will collide into each other. What makes the new magnetic levitation system so special is that the rotation itself allows the floater to remain in a counterintuitive configuration, nearly perpendicular to the rotor’s field, where the magnetostatic force both attracts and repels it.”

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[allthebrazilianpolitics]

Brazil starts to tap its rare earth reserves

A rare earth mining project nearing completion in the midwestern state of Goiás has the potential to kickstart the development of a rare earth industry in Brazil, market participants said

The Mineração Serra Verde project, owned by energy transition-focused private equity firm Denham Capital, is in the final stages of commissioning and is scheduled to launch ionic clay rare earth production by the end of this year.

Planned phase 1 output is large by industry standards, at around 5,000 tonnes per year of rare earth oxides contained in concentrate. Importantly, this will include both the light rare earths neodymium and praseodymium and the heavy rare earths dysprosium and terbium, which are all needed for high-performance neodymium iron boron (NdFeB) magnets for the engines of electric vehicles (EVs).

Neodymium and praseodymium are used in the largest amount in NdFeB magnets, but trace quantities of dysprosium and terbium are critical for maintaining the performance of these magnets at high temperatures inside an EV engine.

Global production of heavy rare earth ores is concentrated in Myanmar, and supply is frequently disrupted. This is accelerating the search for new sources of supply to meet growing demand from the automotive sector.

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[softrobotcritics]

Magnetoactive liquid-solid phase transitional matter

https://www.cell.com/matter/fulltext/S2590-2385(22)00693-2#articleInformation

Magnetically actuated miniature machines can perform multimodal locomotion and programmable deformations. However, they are either solid magnetic elastomers with limited morphological adaptability or liquid material systems with low mechanical strength. 

Here, we report magnetoactive phase transitional matter (MPTM) composed of magnetic neodymium-iron-boron microparticles embedded in liquid metal. MPTMs can reversibly switch between solid and liquid phase by heating with alternating magnetic field or through ambient cooling. 

In this way, they uniquely combine high mechanical strength (strength, 21.2 MPa; stiffness, 1.98 GPa), high load capacity (able to bear 30 kg), and fast locomotion speed (>1.5 m/s) in the solid phase with excellent morphological adaptability (elongation, splitting, and merging) in the liquid phase. We demonstrate the unique capabilities of MPTMs by showing their dynamic shape reconfigurability by realizing smart soldering machines and universal screws for smart assembly and machines for foreign body removal and drug delivery in a model stomach.

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Article info

Publication history

Published: January 25, 2023

Accepted: December 5, 2022

Received in revised form: October 28, 2022

Received: August 18, 2022

[global-research-report]

Permanent Magnets: Driving Advances in Automotive and Renewable Energy Sectors

Permanent Magnets Industry Overview

The global permanent magnets market size is projected to reach approximately USD 39.71 billion by 2030, according to a new report by Grand View Research, Inc., expanding at a CAGR of 8.7% over the forecast period.. The rising number of supportive initiatives to promote healthcare infrastructure, especially in developing countries, is projected to aid the market growth over the forecast period.

The demand for the product is expected to be driven by the extensive usage in industrial automation amidst the COVID-19 outbreak and rising demand from the healthcare sector. Permanent magnets are used in various medical devices, such as blood separators, surgical devices, dental equipment, patient monitoring systems, drug delivery systems, and Magnetic Resonance Imaging (MRI) scanners, and other essential & non-essential healthcare devices. The COVID-19 outbreak in 2020 played a key role in driving the investments in developing healthcare infrastructure.

Gather more insights about the market drivers, restrains and growth of the Permanent Magnets Market

For instance, the Government of India laid out the plan to upend its healthcare spending by nearly 3% of its total GDP by 2022. Such initiatives are likely to drive the product demand in the healthcare sector over the predicted timeline. The product is also significantly used in wearable electronic devices. The global economy is currently witnessing drastic developments in technology, which has led to the proliferation of smart electronic devices.

The market for wearable electronics devices, smartphones, and other smart technologies in advanced as well as emerging economies is likely to witness significant growth. This is likely to indirectly benefit the product demand over the forecast period. The global market is fragmented and is characterized by regional concentration. On account of the presence of large-scale rare earth metal deposits in China, numerous small, medium, and large-scale manufacturers are located in close vicinity.

Browse through Grand View Research's Advanced Interior Materials Industry Research Reports.

The global wet scrubber market size was valued at USD 1.17 billion in 2024 and is anticipated to grow at a CAGR of 8.5% from 2025 to 2030. 

The global wood chipper machines market size was valued at USD 402.9 million in 2024 and is expected to grow at a CAGR of 5.0% from 2025 to 2030. 

Permanent Magnets Market Segmentation

Grand View Research has segmented the global permanent magnets market based on material, application, and region:

Permanent Magnets Material Outlook (Volume, Kilotons; Revenue, USD Million; 2018 - 2030)

Ferrite

Neodymium Iron Boron (NdFeB)

Aluminum Nickel Cobalt (Alnico)

Samarium Cobalt (SmCo)

Permanent Magnets Application Outlook (Volume, Kilotons; Revenue, USD Million; 2018 - 2030)

Automotive

Consumer goods & electronics

Industrial

Aerospace & Defense

Energy

Medical

Others

Permanent Magnets Regional Outlook (Volume, Kilotons; Revenue, USD Million; 2018 - 2030)

North America

US

Canada

Mexico

Europe

Germany

Russia

UK

France

Italy

Asia Pacific

China

India

Japan

South Korea

Indonesia

Central & South America

Brazil

Argentina

Middle East & Africa

KSA

Key Companies profiled:

Adams Magnetic Products Co.

Earth-Panda Advance Magnetic Material Co., Ltd.

Arnold Magnetic Technologies

Daido Steel Co., Ltd.

Eclipse Magnetics Ltd.

Electron Energy Corp.

Goudsmit Magnetics Group

Hangzhou Permanent Magnet Group

Magnequench International, LLC

Ningbo Yunsheng Co., Ltd.

Ninggang Permanent Magnetic Materials Co., Ltd.

Key Permanent Magnets Companies Insights

Some of the key players operating in the market include Hitachi Metals Ltd., Shin-Etsu Chemical Co., Ltd. and Ningbo Yunsheng Co., Ltd.

Hitachi Metals Ltd. operates through three business segments, namely automotive related products, electronics-related products, and infrastructure related products. It offers a wide range of products including cutting tools, molding materials, chassis, exhaust components, magnets & motor related products, LCD displays & semiconductors, medical equipment, aircraft components, piping equipment, industrial equipment, and rubber.

Shin-Etsu Chemical Co., Ltd. operates through various business segments, namely PVC, silicones, specialty chemicals, semiconductor silicon, electronics & functional materials, and processing/trading businesses.

Ningbo Yunsheng Co., Ltd. develops and manufactures sintered and bonded NdFeB, AlNiCo, and SmCo magnets; magnetic assemblies; and electric motor products. The company is engaged in the research and management of servomotors, compact spinning devices, automobile motors, serinette, smart technology products & supplies, and neodymium magnets.

Earth-Panda Advance Magnetic Material Co., Ltd., and Ninggang Permanent Magnetic Materials Co., Ltd., are some of the emerging market participants.

Recent Developments

In October 2023, Ara Partners, a private equity firm acquired Vacuumschmelze (VAC), a German permanent magnets producer, from its equity investor Apollo. This will strengthen the duo’s rare earths value chain, and help the former to pursue its strategic growth opportunity of supplying permanent magnets to key industries such as electric vehicles (EV).

In January 2023, VAC signed an agreement with U.S. automaker General Motors to build a permanent magnets manufacturing plant in North America to manufacture, using locally sourced raw materials. The product would be used in the manufacture of electric motors supplied to GM automobiles.

Order a free sample PDF of the Permanent Magnets Market Intelligence Study, published by Grand View Research.

[123567-9qaaq9]

Informative Report on Permanent Magnet Market | Bis Research

A permanent magnet is a material that produces a persistent magnetic field without the need for an external power source. It is magnetized through a process called "magnetization" and retains its magnetic properties over time.

Permanent magnets are typically made from materials such as iron, cobalt, nickel, and alloys like neodymium or samarium-cobalt. These magnets have a north and south pole, and the magnetic field lines emerge from the north pole and curve around to the south pole. The strength of the magnetic field can vary depending on the material and the magnet's size.

The Global Permanent Magnet Market was valued at $329.83 billion in 2023 and is projected to grow at a CAGR of 8.52%, reaching $820.14 billion by 2034

Permanent Magnet Overview

Permanent magnets are materials that generate a constant magnetic field without the need for an external power source. Unlike electromagnets, which require an electric current to produce a magnetic field, permanent magnets maintain their magnetism over time due to the alignment of their atomic magnetic domains. These domains are regions where the magnetic moments of atoms are aligned in the same direction, giving the material its magnetic properties.

Permanent magnets are typically composed of ferromagnetic materials, such as iron, cobalt, nickel, and certain alloys like neodymium (NdFeB) and samarium-cobalt (SmCo), which are known for their strong magnetic properties. The strength of a permanent magnet is influenced by its composition, the size and shape of the magnet, and the method used to magnetize it.

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Market Segmentation 

1 By Application 

• Consumer Electronics

• Automotive

• Medical

• Environment and Energy

• Aerospace and Defense

• Others

2 By Type 

• Neodymium Iron Boron Magnets

• Ferrite Magnets

• Samarium Cobalt Magnets

• Alnico Magnets

• Others

3 By Region 

• North America

• Europe

• Asia-Pacific

• Rest-of-the-World

Visit our TOC page to know better  !

Future Prospects

The following are the key factors for influencing the future of the permanent magnet includes 

Renewable Energy and Electric Vehicles 

Technological advancements in Magnets 

Growth in consumer electronics 

Advancements in medical devices 

Conclusion 

Permanent magnets play a crucial role in modern technology and everyday applications due to their ability to maintain consistent magnetic properties over time without an external power source. These magnets, typically made from materials such as ferrites, neodymium-iron-boron (NdFeB), and samarium-cobalt, exhibit strong magnetic fields that enable efficient and reliable performance in devices like electric motors, generators, sensors, and medical equipment.

Advancements in material science continue to enhance the strength, durability, and temperature resistance of permanent magnets, expanding their utility in renewable energy systems, robotics, and high-tech industries. Their contribution to reducing energy consumption and enabling compact, efficient designs. 

[kitty66kaw]

custom black epoxy neodymium iron boron magnet

[marketanalysisdata]

Permanent Magnets Market Analysis, Growth Forecast by Manufacturers, Regions and Application to 2030

In 2023, the global permanent magnets market reached a valuation of USD 22.18 billion and is projected to grow at an 8.7% compound annual growth rate (CAGR) from 2024 through 2030. This growth is largely driven by the increasing demand for renewable energy sources like wind and solar power. Permanent magnets play a critical role in enhancing the efficiency of wind turbine generators, a key application area in this sector. Specifically, rare earth magnets such as Neodymium Ferrite Boron (NdFeB) are commonly used in wind turbines due to their high reliability and reduced maintenance needs.

In the United States, the demand for permanent magnets is anticipated to grow at a faster rate than that for ferrite magnets, driven by applications in high-tech sectors like robotics, wearable technology, electric vehicles (EVs), and wind energy. Following the 2008-09 economic downturn, the U.S. automotive industry has seen steady recovery, with a growing emphasis on electric vehicles. Notably, the adoption of plug-in electric vehicles has increased, spurred by innovations from prominent manufacturers including Tesla, Chevy, Nissan, Ford, Audi, and BMW. For example, Tesla began incorporating motors with neodymium magnets in 2018.

Despite this growth, the U.S. faces a supply challenge due to a limited number of domestic manufacturers for permanent motor magnets, leading to substantial imports. In 2023, the U.S. imported around 4 million pounds of automotive parts from China, a majority of which were electric motors. The ongoing trade tensions with China have raised concerns about access to essential rare earth materials. In response, the U.S. government has launched several initiatives, including funding mining projects under the Defense Production Act, aiming to bolster the domestic supply of rare earth materials and reduce dependence on imports.

Gather more insights about the market drivers, restrains and growth of the Permanent Magnets Market

Material Segmentation Insights:

In 2023, ferrite materials dominated the permanent magnet market, capturing a revenue share of approximately 36.0%. Ferrite magnets are predominantly used in motor applications, accounting for over 65% of total ferrite magnet usage. Their application spans automotive motors (19%), appliance motors (14%), HVAC systems (12%), and various industrial and commercial motors (11%) as of 2022. Additional uses of ferrite magnets include loudspeakers, separation equipment, Magnetic Resonance Imaging (MRI), relays & switches, and lifting devices.

The Neodymium Iron Boron (NdFeB) segment is expected to be the fastest-growing segment by volume and revenue in the forecast period. Over the last five years, NdFeB magnets have expanded into various applications, including electric and hybrid vehicle motors, wind power generators, air conditioning compressors and fans, and energy storage systems. Another important material in this market is Alnico, an alloy made from aluminum, nickel, and cobalt. Prior to the discovery of NdFeB in the 1970s, Alnico-based magnets were the strongest available. According to Magnet Applications, Inc., the average energy density (BHmax) of Alnico magnets is 7 MGOe, which is higher than ferrite magnets but significantly lower than that of NdFeB magnets.

Order a free sample PDF of the Permanent Magnets Market Intelligence Study, published by Grand View Research.

[mpcomagnetics]

Hand Tools with Magnetic Influence

Hand Tools with Magnetic Influence Magnets are an important part of hand tools because they make them easier to use and make them work better. They have changed the way many tools are made and how they are used. Here are a list with 6 different tools and how magnets have improved them. 1. Hammer with magnet: The magnetic hammer is great for building because it has a magnetic nail opener. It keeps…

[materialsscienceandengineering]

The Neodymium-Iron-Boron Ternary System

Phase Poll #10 wrapped up yesterday with the final result as 42.5% Fe, 30% Nd, and 27.5% B. This ternary system is most well known for neodymium-iron-boron magnets, so we’re going to spend a little bit of time discussing those before we narrow in on the chosen composition.

Nd-Fe-B magnets are permanent magnets with the composition of Nd2Fe14B, considered to be an intermetallic, and a tetragonal crystal structure. (Permanent magnets are those materials which are magnetized and create their own magnetic field, such as refrigerator magnets.) These neodymium magnets are the most widely used rare earth magnets and have numerous applications, including in computers, speakers, door locks, electric generators, among countless others. These magnets are typically produced either through powder metallurgy and sintering, or through melt spinning.

The chosen composition results in another stoichiometric, intermetallic phase, NdB4. Its space group is P4/bmb, meaning it crystalizes with a tetragonal crystal structure as well. On their own, there is little interest in neodymium boron compounds in the literature.

Sources/Further Reading: ( 1 ) ( 2 - image 2 ) ( 3 - image 3 ) ( 4 - images 4 and 5 )

More phase diagrams: ( image 1 ) ( 500K ) ( 1000K ) ( 1500K ) ( 2000K )

[hsmagnet]

How Air Gaps Impact Magnet Strength

How Air Gaps Impact Magnet Strength In the world of neodymium magnets, the air gap refers to the precise distance separating a rare earth magnet and its intended attachment surface. In most cases, this intended surface would be another magnet or ferromagnetic object, such as a steel disc. Air gaps are a big deal because they give you an effective way to manipulate, calibrate and control the…

[marketstudyreport]

Permanent Magnets Market 2030 Overview, Global Industry Size, Price, Future Analysis

In 2023, the global permanent magnets market reached a valuation of USD 22.18 billion and is projected to grow at an 8.7% compound annual growth rate (CAGR) from 2024 through 2030. This growth is largely driven by the increasing demand for renewable energy sources like wind and solar power. Permanent magnets play a critical role in enhancing the efficiency of wind turbine generators, a key application area in this sector. Specifically, rare earth magnets such as Neodymium Ferrite Boron (NdFeB) are commonly used in wind turbines due to their high reliability and reduced maintenance needs.

In the United States, the demand for permanent magnets is anticipated to grow at a faster rate than that for ferrite magnets, driven by applications in high-tech sectors like robotics, wearable technology, electric vehicles (EVs), and wind energy. Following the 2008-09 economic downturn, the U.S. automotive industry has seen steady recovery, with a growing emphasis on electric vehicles. Notably, the adoption of plug-in electric vehicles has increased, spurred by innovations from prominent manufacturers including Tesla, Chevy, Nissan, Ford, Audi, and BMW. For example, Tesla began incorporating motors with neodymium magnets in 2018.

Despite this growth, the U.S. faces a supply challenge due to a limited number of domestic manufacturers for permanent motor magnets, leading to substantial imports. In 2023, the U.S. imported around 4 million pounds of automotive parts from China, a majority of which were electric motors. The ongoing trade tensions with China have raised concerns about access to essential rare earth materials. In response, the U.S. government has launched several initiatives, including funding mining projects under the Defense Production Act, aiming to bolster the domestic supply of rare earth materials and reduce dependence on imports.

Gather more insights about the market drivers, restrains and growth of the Permanent Magnets Market

Material Segmentation Insights:

In 2023, ferrite materials dominated the permanent magnet market, capturing a revenue share of approximately 36.0%. Ferrite magnets are predominantly used in motor applications, accounting for over 65% of total ferrite magnet usage. Their application spans automotive motors (19%), appliance motors (14%), HVAC systems (12%), and various industrial and commercial motors (11%) as of 2022. Additional uses of ferrite magnets include loudspeakers, separation equipment, Magnetic Resonance Imaging (MRI), relays & switches, and lifting devices.

The Neodymium Iron Boron (NdFeB) segment is expected to be the fastest-growing segment by volume and revenue in the forecast period. Over the last five years, NdFeB magnets have expanded into various applications, including electric and hybrid vehicle motors, wind power generators, air conditioning compressors and fans, and energy storage systems. Another important material in this market is Alnico, an alloy made from aluminum, nickel, and cobalt. Prior to the discovery of NdFeB in the 1970s, Alnico-based magnets were the strongest available. According to Magnet Applications, Inc., the average energy density (BHmax) of Alnico magnets is 7 MGOe, which is higher than ferrite magnets but significantly lower than that of NdFeB magnets.

Order a free sample PDF of the Permanent Magnets Market Intelligence Study, published by Grand View Research.

[rochestermagnet]

8 Uses of Neodymium Iron Boron (NdFeB) Magnets

Welcome to the Rochester Magnet podcast! Today, we’re exploring one of the most fascinating magnetic materials: Neodymium Iron Boron (NdFeB) magnets. These magnets are incredibly powerful and used in various industries. Join us as we delve into what makes them unique and how they’re utilized across different fields. Let’s dive in!