Explanations on Magnetic Pull Force & Calculating Equation | HVR MAG. Neodymium magnets do have some downsides, as they dont handle higher operating temperatures as well as other types of magnets sometimes can. Neodymium magnet, also known as NdFeB magnet, is a tetragonal crystal formed by neodymium, iron, and boron. Magnetic jewelry Magnetic therapy jewelry is often made with neodymium magnets; these magnets are also used in bracelet and necklace clasps. There are different methods to do this, but it always involved exposing the magnet to a very heavy magnetic field in order to charge them. holding force. All Rights Reserved. Used often in cabinetry and sliding parts, they can also be used a less permanent way to ensure a part says put, until you want it to move. Neodymium Countersunk Magnets Thomas uses cookies to ensure that we give you the best experience on our website. Once this first pressing step is done, we still dont have a solid magnet yet. A few common coatings are a copper and nickel combination, and nickel. These coatings are also sometimes applied multiple times for extra protection.
magnet cubes coated ndfeb rubber rare earth cedar This can sometimes pose problems because the magnetic power is so great that if the neo connects too rapidly with a lot of momentum, it can chip or crack itself.
In addition, they contain a large portion of iron to try and prevent corrosion, though we know they still are prone to it. Copyright 1994-2022 Stanford Magnets owned by Oceania International LLC, All Rights Reserved. Neodymium magnets dynamic capabilities have even lead to them being used in experimental levitation devices. Whatsapp:+86-18182052603 Thank you for reading our article and we are very glad that you liked it. A neodymium magnet is a type of rare earth magnet. Website Last Modified July 30, 2022. Standing up your figurines or making the parts to a project movable require only the tiniest of magnets. Besides home craft use, however, they are used in a variety of other forms. We ask our customers to answer a simple question on a bi-annual basis: How likely is it that you would [], Adams Magnetic Products Co.888 Larch AvenueElmhurst, IL 60126, Email: info@adamsmagnetic.comToll Free: 800.747.7543Phone: 630.617.8880Fax: 630.617.8881. In addition to these, neodymium magnets are used in such applications as welding clamps, oil filters, geocaching, mounting tools, costumes and many more. You can find more details about the strength in gauss or pounds of holding force of specific magnets using our magnet calculator tools. Door catches Commercial and residential buildings often use doors with neodymium magnetic catches. While a higher grade means that the magnet has much more power, it also means that the magnet is more brittle. The material is cut into its final shape, coated or plated, and then magnetized. NdFeB magnets are widely used in radar technology, satellite communications, remote control telemetry, electronic tracking, and electronic countermeasures. They are a type of rare earth magnet, which just means they are part of the rare earth element classification of which there are seventeen elements. Get in touch with a member of our team today. Neodymium magnets, also known as NIB magnets, are measured from N24 to N55 on the magnetism scale that goes up to N64, which is a theoretical magnetism measurement. More and more businesses are relying on magnets to hold their signs in place and attract customers. Now that the magnets are more solid, they are cut to the shape needed for their use. Getting skin or a body part stuck between two strong magnets, or a magnet and a magnetic surface, can result in injury. Magnetization technology refers to the use of a magnetic field to magnetize a substance to change the bonding state and properties of the magnetized substance, or change the atomic and electronic states, promote the chemical reaction of the substance, or change the crystal form or freezing point of the substance. Find materials, components, equipment, MRO supplies and more. The same holds true for other printed items. E-mail: [emailprotected] Although a rare earth metal, neodymium is widely available, leading to easily obtainable raw materials to manufacture neodymium magnets. Weve even heard of larger neos breaking bones. And if the magnet connects to something with enough momentum and force, it can shatter, firing dangerous shrapnel that can puncture skin and bones in many directions. This technology is currently being experimented with for applications from hoverboards to efficient vehicles, as well and moving industrial parts. Company. Inquiry This is also the case for other similar vibrating tools like pagers. Ceramic permanent magnets are cheaper, but only are a fraction of the strength. Copyright 2022 Thomas Publishing Company. Dentures To keep dentures securely in place, tiny neodymium magnets are used. Well, the answer isjust about anything. They are extremely powerful, and because of that can harm the user in multiple ways if not properly used. Due to their strength and price, neodymium magnets are heavily used in multiple applications. In store displays often require less preparation of surfaces -and in many building (such as offices) with metal walls or dividers, no preparation. In the case of sintered neodymium magnets, they will remain magnetized practically indefinitely, losing less than 1% of their power over 100 years! Neodymium is also good at resisting outside sources of demagnetization, like other magnetic fields. What are the best magnet coatings for your application? First, for everyday magnet use, it is important to monitor magnets that might be found by children. Though larger disk magnets are used industrially, many use things like aluminum coils, An interesting application for these types of magnets are the large industrial disc magnets that are used to pick up items within junkyards. The drive is able to translate your data into these ones and zeros. Electricity is pushed through the coil, and the permanent magnet at the end causes the field to change rapidly as it is attracted and then pushed away from the neodymium magnet.
This allows for extremely small particle sizes! This procedure is amazing, and used constantly in medicine as it doesnt use harmful radiation to capture the image. Microphones, headphones and loudspeakers Current-carrying coils are used with permanent magnets to convert electricity into mechanical energy that changes the pressure of the surrounding air to create sound. These last two elements are considered rare earth elements because they often end up in the same deposits of ore as the other fifteen elements, and they also have very similar properties. Discreet closures for books and planners, securing a lid, or helping someone keep track of your menu on their fridge are just some of the ways the tiniest of magnets can help. CONTACT PERSON: Alina Lee In this article, lets take a look at the common applications of neodymium magnets. There were also two other locations with neodymium magnets, one was on the top of the rover to keep dust that was blown around off of the top of the rover. The exact composition can vary depending on the strength needed and what that magnet is being used for. Magnets of impressively small sizes can by used to hold heavy decorative items, making them easy to switch or replace when you want a change.
Here are the 11 most common places we see then. There are multiple grades of neodymium. This process is called machining. Vi understtter desvrre ikke lngere Internet Explorer.Opgrader din browser for at handle. For example, something as simple as a piece of magnetic jewelry uses a neo to keep the earring in place. Phone: +1-905-337-8500+1-905-337-8500 The effect is varied depending on the type of tissue, giving a useful diagnostic image the medical field often relies on. Terms and Conditions, welding holder locator clamp finder magnets positioner Neodymi-what?! Do you love to redecorate on a whim but hate the work of patching and re-drilling every time you want to change your wall art? These shapes of magnets have a lot of great uses, such as within any craft project, as sensor magnets, within motors, in common electronics, and even as medical magnets. Sintered neodymium magnets are made by heating the alloy components in a furnace, then this mixture is cast into molds and cooled to form ingots which are ground into a fine powder and pressed into molds. More than one-third of the output of theneodymium magnets is used to manufacture various permanent magnet motors.
General Motors along with Sumitomo Special Metals were researching alternatives to samarium cobalt due to the prices being driven up, and managed to create the tetragonal crystalline Nd2Fe14B.
Terms & Conditions Depending on the shape, the composition, and the production method, NIB magnets can fall anywhere in this range and provide serious lifting strength. First, of course, they contain neodymium, which is the rare earth metal. Privacy Policy, You will be redirected to the joint technical database of the Goudsmit Magnetics group. See Thank you for reading our article and we hope it can help you to have a better understanding of the commonapplications of neodymium magnets. Maybe we heard it as a child in school or as we got older within our business circle Have you ever wondered if you can recycle magnets? They are a permanent magnet, which means it can last for years and years. People often ask us what neodymium magnets are used for. The way it stores data is by assigning each of its tiny parts a specific number, a one or a zero. Sumitomo focused more on sintered neodymium.
But you most likely have multiple items with them in your own home. They will amaze you! There were then tools to look at what stayed on the magnet. Fax:+86-731-28679679 Magnets are everywhere in jewelry. Posted on 16th July 2020 in the categories: Cylindrical steel materials, such as mechanical parts, and various steel materials, Refrigerator and also air-conditioning motors, Promote the chemical reaction of the substance and the combustion of the fuel, Change the crystal form or freezing point of the substance. Shockingly, if the magnet is large enough, this can even break bones! Mounting Magnets Privacy Statement and If your business is tax exempt, learn more. All orders placed & paid online by 1PM ET (M-F) will be shipped the same day! As the RAT grinds into martian rocks, scientists have the opportunity to study the properties of dust from these outer rock surfaces. Theyre sometimes called NdFeB, or Neo magnets, and despite being so strong, theyre also lightweight, which is why theyre popular for a wide variety of applications. This neodymium is ground up into a fine powder, which can then be resealed into a desired shape once combined with iron and boron. A 2-gram (0.07 ounce) neodymium magnet that measures 8 millimeters (0.315 inches) in diameter and 5 millimeters (0.197 inches) long generates a force of over 1700 grams (3.75 pounds). Has a very high strength magnetic field, as well as high density of its magnetic energy, Is cheaper, especially when you consider that you can use a smaller magnet, Great at resisting demagnetization, and is considered a permanent magnet, Lower heat tolerance (Curie temperature) in comparison to other permanent magnets, Closures in place of buttons, such as on a purse clasp, Magnetic therapy, which is said to help with migraines, breathing, and muscle issues (though there isnt scientific evidence of this). Believe it or not, neodymium magnets were used on the Mars Exploration Rovers. Handle with care! What are the Coatings for Rare Earth Magnets. Have a question? This measure of heat tolerance is called the Curie temperature, and this measures the temperature where the magnets start to fail and become demagnetized. If youre browsing our website, you undoubtedly have an interest in magnets, but you might not have heard of neodymium rare earth magnets. Bonded neodymium magnets are usually only about half as strong as sintered magnets are. Neodymium magnets are the strongest known relative to their mass, with even small magnets able to support thousands of times their own weight. Tel:+86-731-28679679 Since their invention in the early 1980s, a wide range of industries have found uses for these super strong magnets. In magnotherapy, patients subject part of their body to a magnetic field by wearing magnetic jewelry or using other items on a regular basis, leading to (they say) pain relief, increased blood flow, or one of many other claims. These magnets are reachable for analysis by various instruments. Neodymium disc magnets are a version of the magnet that is shaped like a flat disk, the thickness is not larger than the diameter of the circle. One set of magnets was carried by a cutting arm called the rock abrasion tool. Stanford Magnets isone of the leading magnet suppliers across the world whospecializes in manufacturing permanent magnets according to customers requirements in terms of composition, magnetic characteristics, shapes, and sizes. 3M Adhesive Backed Magnets The scientific jury's not out on this one yet, but the number of people who swear by magnetic therapy is staggering. Were happy to assist you, fill out our form below and a member of our team will be in touch. Did you know that Adams Magnetic Products utilizes 3D printing to improve our quality control, R&D, and magnet production processes? In order to construct a neo, as they are sometimes also called, manufacturers collect rare earth metals and sift them to find usable neodymium, which they must separate from other minerals. Beware theyre also so strong that even small neodymium magnets can cause bodily harm.
Skype:hvrmagnet6, 2016 HVR Magnetics Co.,Ltd., is a professional manufacturer of, Neodymium Magnet Frequently Asked Questions About It, permanent electromagnet manufacturers website. Who Was Responsible for the Discovery of Magnetism. ADDRESS: Building C-3, GaoKe industrial park, Tianyuan district, Zhuzhou, Hunan Province, China. Neodymium Magnets are produced using two manufacturing methods: Neodymium magnets are the strongest permanent magnets commercially available, anywhere in the world. The simple fact of having the magnet inside the body can lead ot infection as well. Some applications include: Hard disk drives A hard disk has tracks and sectors that contain magnetic cells; these cells are magnetized when data is written to the drive. How many of these do you use? A third set of magnets is carried by the Rock Abrasion Tool (RAT). Need magnets for these or any other uses? Rare Earth raw materials have hit an all time high in Feb 2022. Who doesn't look harder at a business card or flyer with a nifty design? By submitting this form, you are agreeing to our, Please enter your details to download the document. This was used to drill into rocks for proper inspection. It is important to know whats in your pockets and what type of equipment is present when handling these magnets. Many small balls of these magnets are sold as a set, and can be used to build structures and make patterns and shapes. It ends up being parallel to the direction it was being pressed. What Are Rare Earth Elements & How Are They Used? They are used often for home crafts, providing things like magnetic closures for cabinets, or clasps for various bags and clothing. Magnets are just handy, and nowhere is that more apparent than in crafts and hobbies. This temperature can sometimes be nearly 2000 degrees Fahrenheit depending on the metal! The technique of using magnetic methods to separate ferromagnetic substances from non-ferromagnetic substances is called magnetic separation technology.
Permanent magnets are magnets that last an extremely long time before becoming demagnetized. Select From Over 500,000 Industrial Suppliers. These magnets are much different than sintered, as they dont have a grain for their magnetic field, and they also are much sturdier than sintered magnets. Glossary N55 has a very low operating temperature and is comparably extremely expensive, so it only has use in very specific applications. Mobile: +86-18182052603 Besides, neodymium magnets are also used in MRI, a medical device that has developed rapidly in recent years. A very common use for neodymium magnets is within audio technology. A unique use of neodymium magnets are that they can be used as materials together with alnico magnets, to form a new type of magnets, electro permanent magnet.
magnet cubes coated ndfeb rubber rare earth cedar This can sometimes pose problems because the magnetic power is so great that if the neo connects too rapidly with a lot of momentum, it can chip or crack itself.
In addition, they contain a large portion of iron to try and prevent corrosion, though we know they still are prone to it. Copyright 1994-2022 Stanford Magnets owned by Oceania International LLC, All Rights Reserved. Neodymium magnets dynamic capabilities have even lead to them being used in experimental levitation devices. Whatsapp:+86-18182052603 Thank you for reading our article and we are very glad that you liked it. A neodymium magnet is a type of rare earth magnet. Website Last Modified July 30, 2022. Standing up your figurines or making the parts to a project movable require only the tiniest of magnets. Besides home craft use, however, they are used in a variety of other forms. We ask our customers to answer a simple question on a bi-annual basis: How likely is it that you would [], Adams Magnetic Products Co.888 Larch AvenueElmhurst, IL 60126, Email: info@adamsmagnetic.comToll Free: 800.747.7543Phone: 630.617.8880Fax: 630.617.8881. In addition to these, neodymium magnets are used in such applications as welding clamps, oil filters, geocaching, mounting tools, costumes and many more. You can find more details about the strength in gauss or pounds of holding force of specific magnets using our magnet calculator tools. Door catches Commercial and residential buildings often use doors with neodymium magnetic catches. While a higher grade means that the magnet has much more power, it also means that the magnet is more brittle. The material is cut into its final shape, coated or plated, and then magnetized. NdFeB magnets are widely used in radar technology, satellite communications, remote control telemetry, electronic tracking, and electronic countermeasures. They are a type of rare earth magnet, which just means they are part of the rare earth element classification of which there are seventeen elements. Get in touch with a member of our team today. Neodymium magnets, also known as NIB magnets, are measured from N24 to N55 on the magnetism scale that goes up to N64, which is a theoretical magnetism measurement. More and more businesses are relying on magnets to hold their signs in place and attract customers. Now that the magnets are more solid, they are cut to the shape needed for their use. Getting skin or a body part stuck between two strong magnets, or a magnet and a magnetic surface, can result in injury. Magnetization technology refers to the use of a magnetic field to magnetize a substance to change the bonding state and properties of the magnetized substance, or change the atomic and electronic states, promote the chemical reaction of the substance, or change the crystal form or freezing point of the substance. Find materials, components, equipment, MRO supplies and more. The same holds true for other printed items. E-mail: [emailprotected] Although a rare earth metal, neodymium is widely available, leading to easily obtainable raw materials to manufacture neodymium magnets. Weve even heard of larger neos breaking bones. And if the magnet connects to something with enough momentum and force, it can shatter, firing dangerous shrapnel that can puncture skin and bones in many directions. This technology is currently being experimented with for applications from hoverboards to efficient vehicles, as well and moving industrial parts. Company. Inquiry This is also the case for other similar vibrating tools like pagers. Ceramic permanent magnets are cheaper, but only are a fraction of the strength. Copyright 2022 Thomas Publishing Company. Dentures To keep dentures securely in place, tiny neodymium magnets are used. Well, the answer isjust about anything. They are extremely powerful, and because of that can harm the user in multiple ways if not properly used. Due to their strength and price, neodymium magnets are heavily used in multiple applications. In store displays often require less preparation of surfaces -and in many building (such as offices) with metal walls or dividers, no preparation. In the case of sintered neodymium magnets, they will remain magnetized practically indefinitely, losing less than 1% of their power over 100 years! Neodymium is also good at resisting outside sources of demagnetization, like other magnetic fields. What are the best magnet coatings for your application? First, for everyday magnet use, it is important to monitor magnets that might be found by children. Though larger disk magnets are used industrially, many use things like aluminum coils, An interesting application for these types of magnets are the large industrial disc magnets that are used to pick up items within junkyards. The drive is able to translate your data into these ones and zeros. Electricity is pushed through the coil, and the permanent magnet at the end causes the field to change rapidly as it is attracted and then pushed away from the neodymium magnet.
This allows for extremely small particle sizes! This procedure is amazing, and used constantly in medicine as it doesnt use harmful radiation to capture the image. Microphones, headphones and loudspeakers Current-carrying coils are used with permanent magnets to convert electricity into mechanical energy that changes the pressure of the surrounding air to create sound. These last two elements are considered rare earth elements because they often end up in the same deposits of ore as the other fifteen elements, and they also have very similar properties. Discreet closures for books and planners, securing a lid, or helping someone keep track of your menu on their fridge are just some of the ways the tiniest of magnets can help. CONTACT PERSON: Alina Lee In this article, lets take a look at the common applications of neodymium magnets. There were also two other locations with neodymium magnets, one was on the top of the rover to keep dust that was blown around off of the top of the rover. The exact composition can vary depending on the strength needed and what that magnet is being used for. Magnets of impressively small sizes can by used to hold heavy decorative items, making them easy to switch or replace when you want a change. Here are the 11 most common places we see then. There are multiple grades of neodymium. This process is called machining. Vi understtter desvrre ikke lngere Internet Explorer.Opgrader din browser for at handle. For example, something as simple as a piece of magnetic jewelry uses a neo to keep the earring in place. Phone: +1-905-337-8500+1-905-337-8500 The effect is varied depending on the type of tissue, giving a useful diagnostic image the medical field often relies on. Terms and Conditions, welding holder locator clamp finder magnets positioner Neodymi-what?! Do you love to redecorate on a whim but hate the work of patching and re-drilling every time you want to change your wall art? These shapes of magnets have a lot of great uses, such as within any craft project, as sensor magnets, within motors, in common electronics, and even as medical magnets. Sintered neodymium magnets are made by heating the alloy components in a furnace, then this mixture is cast into molds and cooled to form ingots which are ground into a fine powder and pressed into molds. More than one-third of the output of theneodymium magnets is used to manufacture various permanent magnet motors.
General Motors along with Sumitomo Special Metals were researching alternatives to samarium cobalt due to the prices being driven up, and managed to create the tetragonal crystalline Nd2Fe14B.
Terms & Conditions Depending on the shape, the composition, and the production method, NIB magnets can fall anywhere in this range and provide serious lifting strength. First, of course, they contain neodymium, which is the rare earth metal. Privacy Policy, You will be redirected to the joint technical database of the Goudsmit Magnetics group. See Thank you for reading our article and we hope it can help you to have a better understanding of the commonapplications of neodymium magnets. Maybe we heard it as a child in school or as we got older within our business circle Have you ever wondered if you can recycle magnets? They are a permanent magnet, which means it can last for years and years. People often ask us what neodymium magnets are used for. The way it stores data is by assigning each of its tiny parts a specific number, a one or a zero. Sumitomo focused more on sintered neodymium.
But you most likely have multiple items with them in your own home. They will amaze you! There were then tools to look at what stayed on the magnet. Fax:+86-731-28679679 Magnets are everywhere in jewelry. Posted on 16th July 2020 in the categories: Cylindrical steel materials, such as mechanical parts, and various steel materials, Refrigerator and also air-conditioning motors, Promote the chemical reaction of the substance and the combustion of the fuel, Change the crystal form or freezing point of the substance. Shockingly, if the magnet is large enough, this can even break bones! Mounting Magnets Privacy Statement and If your business is tax exempt, learn more. All orders placed & paid online by 1PM ET (M-F) will be shipped the same day! As the RAT grinds into martian rocks, scientists have the opportunity to study the properties of dust from these outer rock surfaces. Theyre sometimes called NdFeB, or Neo magnets, and despite being so strong, theyre also lightweight, which is why theyre popular for a wide variety of applications. This neodymium is ground up into a fine powder, which can then be resealed into a desired shape once combined with iron and boron. A 2-gram (0.07 ounce) neodymium magnet that measures 8 millimeters (0.315 inches) in diameter and 5 millimeters (0.197 inches) long generates a force of over 1700 grams (3.75 pounds). Has a very high strength magnetic field, as well as high density of its magnetic energy, Is cheaper, especially when you consider that you can use a smaller magnet, Great at resisting demagnetization, and is considered a permanent magnet, Lower heat tolerance (Curie temperature) in comparison to other permanent magnets, Closures in place of buttons, such as on a purse clasp, Magnetic therapy, which is said to help with migraines, breathing, and muscle issues (though there isnt scientific evidence of this). Believe it or not, neodymium magnets were used on the Mars Exploration Rovers. Handle with care! What are the Coatings for Rare Earth Magnets. Have a question? This measure of heat tolerance is called the Curie temperature, and this measures the temperature where the magnets start to fail and become demagnetized. If youre browsing our website, you undoubtedly have an interest in magnets, but you might not have heard of neodymium rare earth magnets. Bonded neodymium magnets are usually only about half as strong as sintered magnets are. Neodymium magnets are the strongest known relative to their mass, with even small magnets able to support thousands of times their own weight. Tel:+86-731-28679679 Since their invention in the early 1980s, a wide range of industries have found uses for these super strong magnets. In magnotherapy, patients subject part of their body to a magnetic field by wearing magnetic jewelry or using other items on a regular basis, leading to (they say) pain relief, increased blood flow, or one of many other claims. These magnets are reachable for analysis by various instruments. Neodymium disc magnets are a version of the magnet that is shaped like a flat disk, the thickness is not larger than the diameter of the circle. One set of magnets was carried by a cutting arm called the rock abrasion tool. Stanford Magnets isone of the leading magnet suppliers across the world whospecializes in manufacturing permanent magnets according to customers requirements in terms of composition, magnetic characteristics, shapes, and sizes. 3M Adhesive Backed Magnets The scientific jury's not out on this one yet, but the number of people who swear by magnetic therapy is staggering. Were happy to assist you, fill out our form below and a member of our team will be in touch. Did you know that Adams Magnetic Products utilizes 3D printing to improve our quality control, R&D, and magnet production processes? In order to construct a neo, as they are sometimes also called, manufacturers collect rare earth metals and sift them to find usable neodymium, which they must separate from other minerals. Beware theyre also so strong that even small neodymium magnets can cause bodily harm.
Skype:hvrmagnet6, 2016 HVR Magnetics Co.,Ltd., is a professional manufacturer of, Neodymium Magnet Frequently Asked Questions About It, permanent electromagnet manufacturers website. Who Was Responsible for the Discovery of Magnetism. ADDRESS: Building C-3, GaoKe industrial park, Tianyuan district, Zhuzhou, Hunan Province, China. Neodymium Magnets are produced using two manufacturing methods: Neodymium magnets are the strongest permanent magnets commercially available, anywhere in the world. The simple fact of having the magnet inside the body can lead ot infection as well. Some applications include: Hard disk drives A hard disk has tracks and sectors that contain magnetic cells; these cells are magnetized when data is written to the drive. How many of these do you use? A third set of magnets is carried by the Rock Abrasion Tool (RAT). Need magnets for these or any other uses? Rare Earth raw materials have hit an all time high in Feb 2022. Who doesn't look harder at a business card or flyer with a nifty design? By submitting this form, you are agreeing to our, Please enter your details to download the document. This was used to drill into rocks for proper inspection. It is important to know whats in your pockets and what type of equipment is present when handling these magnets. Many small balls of these magnets are sold as a set, and can be used to build structures and make patterns and shapes. It ends up being parallel to the direction it was being pressed. What Are Rare Earth Elements & How Are They Used? They are used often for home crafts, providing things like magnetic closures for cabinets, or clasps for various bags and clothing. Magnets are just handy, and nowhere is that more apparent than in crafts and hobbies. This temperature can sometimes be nearly 2000 degrees Fahrenheit depending on the metal! The technique of using magnetic methods to separate ferromagnetic substances from non-ferromagnetic substances is called magnetic separation technology.
Permanent magnets are magnets that last an extremely long time before becoming demagnetized. Select From Over 500,000 Industrial Suppliers. These magnets are much different than sintered, as they dont have a grain for their magnetic field, and they also are much sturdier than sintered magnets. Glossary N55 has a very low operating temperature and is comparably extremely expensive, so it only has use in very specific applications. Mobile: +86-18182052603 Besides, neodymium magnets are also used in MRI, a medical device that has developed rapidly in recent years. A very common use for neodymium magnets is within audio technology. A unique use of neodymium magnets are that they can be used as materials together with alnico magnets, to form a new type of magnets, electro permanent magnet.