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Bonded magnets

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“Bite hand” magnet ring jams student’s finger

"Bite hand" magnet ring jams student's finger The "biting hand" magnet ring stuck the student's finger, and Hubei Xianning fire department quickly removed it in 2 minutes On December 3, the left middle finger of a student of Chibi No. 1 Junior High School in Xianning City, Hubei Province was caught by a magnet ring. [...]

Researchers Develop New Method to 3D Print Magnets

Researchers Develop New Method to 3D Print Magnets Teams from the Jean Lamour Institute (IJL), the Materials Science research laboratory of the University of Lorraine, have developed a method for producing magnets with a desktop FDM 3D printer. The researchers claim to have succeeded in integrating magnetic properties into various 3D printed parts, all without [...]

3D-printed magnets help create more efficient electric motors

3D-printed magnets help create more efficient electric motors Upscaling the production of new 3D-printed rare earth permanent magnets VTT Technical Research Centre of Finland is leading a European consortium 3DREMAG which is developing a new material suitable for 3D printing of permanent magnets, which can be utilised in electric and hybrid vehicle motors. 3DREMAG is [...]

3D-printed permanent magnets outperform conventional versions

3D-printed permanent magnets outperform conventional versions conserve rare materials Researchers at the Department of Energy's Oak Ridge National Laboratory have demonstrated that permanent magnets produced by additive manufacturing can outperform bonded magnets made using traditional techniques while conserving critical materials. Scientists fabricated isotropic, near-net-shape, neodymium-iron-boron (NdFeB) bonded magnets at DOE's Manufacturing Demonstration Facility at ORNL [...]

How Strong is a 12000 Gauss magnet?

How strong is a 12000 Gauss magnet? Long answer: 12000 gauss = 1.2 tesla. If that’s a rare earth magnet, NdFeB, it’s about an N35. State of the art 15 years ago but now N48 is the garden variety and you can pay a little more and get up to N56 in quantity. B field [...]

Understanding Magnet Grades and Magnet Tables

Understanding Magnet Grades and Magnet Tables Each day we get asked questions about the differences in magnetic materials. Neodymium Magnets, Samarium Cobalt (SmCo) Magnets, Ceramic Magnets, Alnico Magnets, Bonded Magnets, and Injection Molded Magnets all have various options, and choosing the correct grade for your application is critical. This article will try to simplify how [...]

Luxury Auto Maker Bentley Goes After Magnet Materials & Manufacturing Advancements

Luxury Auto Maker Bentley Goes After Magnet Materials & Manufacturing Advancements Iconic luxury car maker Bentley Motors is pursuing two projects in the magnetics supply chain to support its commitment toward automobile electrification. One aims to use recycled magnets to produce auxiliary motors for cars, the other to develop an e-powertrain without dependence on rare [...]

Neodymium Stepped & Special Magnets

Neodymium Stepped & Special Magnets Neodymium Stepped Magnets, Special -shaped Neodymium Magnets,Super-strong unusual NdFeB Magnet abnormity extremely powerful Magnets, Rare Earth (Neodymium) block grooved/cylinder grooved/disc grooved Magnets, Super strong powerful neodymium grooved cylindrical magnets supplier and factory Stepped Magnets are ideal for applications requiring the embedding of magnets with more than average length, e.g. plastic [...]

Neodymium Multipole Radial Ring Magnets

Neodymium Multipole Radial Ring Magnets, Multipole Radial Magnetization Magnet, Customized Radial Magnetic Ring Magnet, Radially Oriented Ring Magnet, Multipolar Radial Ring Permanent NdFeB Magnet Ring Multipole Radial Ring Neodymium Magnets – Sintered rare earth magnet: Neodymium Multipole Radial Ring Magnets Radially oriented ring magnet usually refers to sintered magnet. The sintered rare earth [...]

Types of Speaker Magnets

Types of Speaker Magnets Its a common question, which type of magnet is used in speakers? If you are new to the speaker world, you have to understand that every sound speaker, whether small or the most powerful one, all are designed with a permanent magnet. The magnet provides a permanent magnetic field for the [...]

Progress in Recycling of Sintered NdFeB Magnet Wastes

Progress in Recycling of Sintered NdFeB Magnet Wastes Significant efforts have been put into the recycling of bulk sintered NdFeB magnet wastes around the world in the past decade because bulk Nd–Fe–B sintered magnet wastes are valuable secondary rare-earth resources. There are two major facts behind the efforts. First, the waste magnets contain total rare-earth [...]

Recycling of Additively Printed Rare-earth Bonded Magnets

Recycling of Additively Printed Rare-earth Bonded Magnets In this work, we describe an efficient and environmentally benign method of recycling of additive printed Nd−Fe−B polymer bonded magnets. Rapid pulverization of bonded magnets into composite powder containing Nd-Fe-B particles and polymer binder was achieved by milling at cryogenic temperatures. The recycled bonded magnets fabricated by warm [...]

Injection Molded Bonded Samarium Cobalt Magnets

Injection Molded Bonded Samarium Cobalt Magnets, Bonded SmCo Injection Molded Samarium Cobalt Bonded Magnets can be made by combining SmCo powders with Nylon 6, Nylon 12, PPS and other resins. The ratios between magnetic powders and resins are endless, therefore many grades exist depending on magnetic performance, temperature resistance, and mechanical strength. These materials can [...]

Magnet Concept

Magnet Concept Am area of the magnet, is the cross sectional areal of the magnet perpendicular to the central flux line, measured in sq.cm. at any point along its length. In design, am is usually considered the area at the neutral section of the magnet. B Magnet induction, is the magnetic field induced by a [...]

Bonded Mould Compression NdFeB Magnet

Bonded Mould Compression NdFeB Magnet Compression bonded magnets are composed of a special form of NdFeB powder with adhesive and using compression molding techniques in simple tools, it can be quickly machined into complex shapes. Since its materials are isotropic, bonded NdFeB magnet can be magnetized in any direction or with multiple poles. Special magnetizing [...]

Circumferentially Oriented Magnets

Circumferentially Oriented Magnets Circumferentially orientation and magnetizing pattern is not available for arc and ring magnets which comprised of Neodymium magnets and Samarium Cobalt magnets. The most common circumferentially oriented magnets are common Alnico horseshoe magnet, however, whether or not Alnico ring magnets can be oriented and magnetized through circumferential direction? In fact, Alnico ring [...]

Magnets for AUTOMOTIVE & TRANSPORTATION

Magnets for AUTOMOTIVE & TRANSPORTATION We bring over 20 years of working within the automotive supply chain, providing all magnets and magnet materials available. Permanent magnets have played a significant role in the development of automotive engineering; from internal combustion, to hybrid and EV powertrain technologies and now are enabling the future of autonomous vehicles. [...]

Magnetic Anisotropy

Magnetic Anisotropy is the capacity of a magnet to maximize its magnetic orientation in the direction of its poles, and it is similar to general anisotropy of other material characteristics. Strong permanent magnets – especially sintered Neodymium magnets- have had their magnetic domains oriented in the direction of the easy axis to maximize their strength. [...]

The Application Of Permanent Magnets In Magnetic Sensors

The Application Of Permanent Magnets In Magnetic Sensors Magnetic Sensors Permanent magnets * Permanent magnets are ubiquitous in modern societies. Devices which use permanent magnets include motors, sensors, actuators, acoustic transducers, etc. These are used in home appliances, speakers, office automation equipment, aerospace, wind turbine generators, medical laboratory diagnostic test equipment, and more. It is [...]

Bonded Magnets: A Versatile Class of Permanent Magnets

Bonded Magnets: A Versatile Class of Permanent Magnets Permanent magnets are ubiquitous in modern societies. Devices that use permanent magnets include motors, sensors, actuators and acoustic transducers. These are used in home appliances, speakers, office automation equipment, aerospace, wind turbine generators, medical laboratory diagnostic test equipment and more. It is estimated, for example, that a [...]

BONDED MAGNETS for HIGH TECH SYSTEMS APPLICATIONS

BONDED MAGNETS for HIGH TECH SYSTEMS APPLICATIONS The market of High Tech Systems, including motors and generators is continuously developing technical solutions which are more and more acting on the edge of technology. The increased use of robotics is just an example of this. Hot Formed NdFeB Magnet applications hightech systems This also [...]

Automotive Application Bonded Magnets

Automotive Application Bonded Magnets: Automotive/Truck Applications To protect our global environment policies and legislations are becoming more and more important. As a result there is a strong focus to develop cars being more environmental friendly, to reduce fuel consumption and last but not least to increase safety. Due to this the automotive market must be [...]

What is Bonded NdFeB Magnets

What is Bonded NdFeB Magnets Bonded NdFeB Magnets are produced by melt spinning a thin ribbon of the Nd-Fe-B alloy. The ribbon contains randomly oriented Nd2Fe14B na no-scale grains. This ribbon is then pulverized into particles, mixed with a polymer and either compressed or injection molded into bonded magnets. Bonded magnets offer less flux than [...]

Aligning Field for Anisotropic Bonded NdFeB Magnets

Residual Magnetic Flux Density Distribution Calculation Considering Effect of Aligning Field for Anisotropic Bonded NdFeB Magnets Abstract This paper presents a calculation method of residual magnetic flux density distribution for a four-pole anisotropic bonded NdFeB permanent magnet (PM) considering the effect of aligning magnetic field during the forming process. To manufacture the anisotropic bonded NdFeB [...]

Sintered NdFeB Magnets as Anisotropic Bonded Magnets via Hydrogen Decrepitation Process

Sintered NdFeB Magnets as Anisotropic Bonded Magnets via Hydrogen Decrepitation Process Abstract The scrap sintered Nd–Fe–B magnets were recycled as the raw materials for bonded magnets using the hydrogen decrepitation (HD) process. The HD powders have the lowest oxygen and hydrogen content by hydro-genation at 150°C with 1 bar H2 pressure and dehydro-genation at 600°C. [...]

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