Sintered NdFeB Weight Loss Test (HAST, PCT) Sintered NdFeB permanent magnets are the magnetic materials with the highest magnetic properties discovered so far, and are widely used in wind power generation, new energy vehicles, maglev trains, intelligent robots and other fields. Sintered NdFeB magnet adopts powder metallurgy process, and the raw materials contain highly active [...]
Magnetic Materials in Linear Motors Linear motor is a kind of transmission device that directly converts electrical energy into linear motion mechanical energy without any intermediate conversion. It can be regarded as a rotating motor that is radially dissected into a plane (that is, a rotating motor is flattened, and works the same). Linear motors [...]
FeCrCo - Iron Chromium Cobalt Permanent Magnet Material The iron-chromium-cobalt permanent magnet material appeared in the early 1970s. It belongs to the age-hardening deformable permanent magnet material. Its alloy composition range is very wide. The basic composition is 20-33% Cr, 3-25% Co, and the rest is Fe. The magnetic performance of FeCrCo is equivalent to [...]
Magnetic Material in Magnetic Separator Equipment The magnetic separator uses the magnetic difference between minerals for separation, which can improve the grade of ore, purify solid and liquid materials, and recycle waste. It is one of the most widely used and highly versatile models in the industry. one. Magnetic separators are widely used in mining, [...]
Halbach Array, Halbach permanent magnet is a magnet structure. In 1979, American scholar Klaus Halbach discovered this special permanent magnet structure when he was doing electron acceleration experiments and gradually improved it, eventually forming the "Halbach" magnet. It is an almost ideal structure in engineering. It uses special magnet arrangement to enhance the field strength [...]
Surface magnetism refers to the magnetic induction intensity at a certain point on the surface of the magnet, and the unit is Gauss Gs or Tesla T (1T=10000Gs). The surface magnetism at different positions on the surface of the magnet is not the same. Generally speaking, "surface magnetism" refers to the center surface magnetism of [...]
Magnetic Induction B and Magnetic Polarization J Practice and theory have proved that when a ferromagnetic or ferrimagnetic substance is magnetized in a magnetic field, in addition to the magnetic field in the substance, because the magnetic moments of the atoms of the ferromagnetic substance turn to the direction of the external magnetic field, it [...]
Hysteresis Curve and Intrinsic Demagnetization Curve (B-H Curve and J-H Curve) Permanent magnet materials have two notable features, one is that they can be strongly magnetized under the action of an external magnetic field, and the other is hysteresis, that is, the material remains magnetized after the external magnetic field is removed. The relationship between [...]
Factors and Methods Affecting the Performance of NdFeB Magnetic Materials Since the advent of NdFeB permanent magnet materials, it has attracted much attention due to its superior magnetic properties. promote. We generally use remanence, coercive force and maximum energy product to measure the performance of magnetic materials. Remanence Br If the magnet is likened to [...]
Sustainable Recycling of Rare-Earth Elements from NdFeB Magnet Swarf: Techno-Economic and Environmental Perspectives Rare-earth elements (REEs) are increasingly susceptible to supply risks due to their limited geographical availability and growing demand in clean energy applications such as neodymium-iron-boron (NdFeB) magnets used in electric vehicles and wind turbines. When NdFeB magnets are produced, 6–73% of swarf [...]
Magnetic Effects Of Electric Current 1 Do magnets attract all metallic objects? MYTH: Magnets attract metallic objects FACT: Magnets attract ferrous metals only. Magnets attract objects made of magnetic materials like, Iron, Nickel, Cobalt etc. which are also ferrous metals. Several metals like Copper, Silver , gold etc. are not attracted by magnets at all. [...]
Magnetic Metals vs. Non-magnetic Metals Magnetic Metals and Non-magnetic Metals Exhibits attraction and repulsive nature and creates a magnetic field. Do not have attraction and repulsive nature. Can exhibit a very weak magnetic field. Have lower coercivity. Higher coercivity. Electron spins are aligned with the direction of an external magnetic field Electron spins cancel out [...]