Sintered Neodymium Magnets
Sintered Neodymium Magnets
Sintered neodymium magnetis the strongest magnetic materialcommercially available today. It is largely made of alloy of neodymium, iron and boron, and the chemical formula is Nd2Fe14B. Sintered NdFeB neodymium magnet exhibits high magnetic energy product in small size with high coercive forces. Examples of applications include permanent magnet motors, loudspeakers, magnetic separators, wind power generators, computer hard drive, and MRI devices.
For more technical information of our sintered neodymium magnet, please refer to the sections of Technological Advantages, Demagnetization Curve, Grades, Magnetic Properties, Physical Properties, Magnetic Parameters, Surface Treatment, Magnetization Orientations.
Technological Advantages
High Coercive Force
Highest Intrinsic coercive force Hcj≥35kOe
High Consistency
CPK of Remanence (Br) and Intrinsic coercive force (Hcj)>1.67
Low Reversible Temperature Coefficient
αBr=-0.08%/℃, βHcj=-0.4%/℃
Low Weight Loss
130℃, humidity 100%, vapor pressure 2.7bar, 20days, average weight loss<2mg/cm2
Demagnetization Curves of Sintered Neodymium Magnet
Grades
The Grade of a magnet generally indicates how "strong" a magnet material is, which is measured by the Maximum Energy Product. The energy product is commonly specified in units of Gauss Oersted. The higher the grade the "stronger" the magnet. The grade also tells the temperature rating of a magnet material. Neodymium magnets have different heat tolerances which determine their maximum working temperature. As the heat tolerance increases the maximum available flux density decreases.
Magnetic Properties of Sintered Neodymium Magnet
Notes:
Physical Properties
Magnetic Parameters
Surface Treatment
As Neodymium magnet is prone to corrosion, it is usually preferable for the magnet to be coated for protection. Among a variety of options for coatings, nickel and nickel-copper-nickel are the most commonly used, making the magnet more corrosion resistant and durable.
Magnetization Orientations
Magnets can be delivered magnetized and un-magnetized. Some production methods require the magnets being incorporated into assemblies in a un-magnetized state and magnetized later once the assembly is completed. There are various magnetic orientations available for different shapes of magnets.
在线联系供应商
Other supplier products
Magnetic Assemblies | Magnet assemblyincorporates magnet alloy and non-magnet material, usually creating much more magnetic strength than using magnets alone, and achiev... | |
Increasingly Extensive Demand of Hard Magnetic Materials Application | Permanent magnetic materials, also known as hard magnetic materials, are materials that still have magnetism after the magnetization field is remov... | |
Hook Magnets | terial SinteredNeodymiumIronBoron,Steel Dimensions Diameter PullForce 12lbs—900lbs MagnetizationOrientation Axial ... | |
Hook Magnets | Hook Magnets Material SinteredNeodymiumIronBoron,Steel Dimensions Diameter PullForce 12lbs—900lbs... | |
Cube Magnet 3/4 inch x1/4 inch x1/4 inch Conveyor Belt Magnet Block | This powerful neodymium block magnet measures 3/4" in length, 1/4" in width, and 1/4" in thickness, with the pull force of 10.51 lb vertically. It ... |
Same products
Pin Magnets | 卖方: NINGBO SOUWEST MAGNETECH DEVELOPMENT CO.,LTD | Pin magnet for office use in a range of whiteboards, refrigerators and other magnetic surfacesand... | |
Neodymium Pot Magnet | 卖方: NINGBO SOUWEST MAGNETECH DEVELOPMENT CO.,LTD | The magnetic core in a pot magnet is neodymium material, also called rare earth pot magnet. High ... | |
Neodymium Magnet with Countersunk Holes | 卖方: NINGBO SOUWEST MAGNETECH DEVELOPMENT CO.,LTD | Neodymium magnet with countersunk holes -- magnet made from neodymium has a countersunk hole and ... | |
Neodymium Ball Magnet | 卖方: NINGBO SOUWEST MAGNETECH DEVELOPMENT CO.,LTD | Strong NdFeB ball magnets also called buck balls, like our other super magnets, are made of a spe... | |
Metal Plate | 卖方: NINGBO SOUWEST MAGNETECH DEVELOPMENT CO.,LTD | Metal Plate Material Metal plates are used as spacers for mounting magnetic filter bars or other... |