Permanent Magnet Materials Permanent magnet lodestones contain magnetite, a hard, crystalline iron ferrite mineral that derives its magnetism from the effect the earth's magnetic field has on it. Various steel alloys can also be magnetized. The first big step in developing more effective permanent magnet materials came in the 1930s with the development of Alnico [...]
Magnet Background A magnet is a material that can exert a noticeable force on other materials without actually contacting them. This force is known as a magnetic force and may either attract or repel. While all known materials exert some sort of magnetic force, it is so small in most materials that it is not [...]
Grain Boundary Diffusion- Conserving HREE in NdFeB Magnets Grain Boundary Diffusion is an important new advance in Neodymium magnet production technology. Heavy Rare Earth Elements (HREE) are delivered directly to critical areas of the magnet’s microstructure. These areas are where HREE are the most effective at increasing the properties of the magnet to withstand high [...]
Parylene Coated Magnets What is Parylene coating? Parylene is the common name of Poly-para-xylylene, and it was prepared by the researcher in University of Manchester in 1947. The parylene first applied to U.S military and aerospace industry after Union Carbide prepared parylene thin film by the deposition process. Nowadays, parylene coating are widely used in [...]
Investigation of magnet segmentation techniques for eddy current losses reduction in permanent magnets electrical machines Reducing eddy current losses in magnets of electrical machines can be obtained by means of several techniques. The magnet segmentation is the most popular one. It imposes the least restrictions on machine performances. This paper investigates the effectiveness of the [...]
Buy Rare Earth Magnets From China MPCO Rare Earth Magnets A rare earth magnets is know as neodymium magnet, NdFeB magnet, NIB or Neo magnet, the most widely used type of rare–earth magnet, is a permanent NdFeB magnet made from an alloy of neodymium, iron and boron to form the Nd2Fe14B tetragonal crystalline structure. The [...]
Radially Oriented Sintered NdFeB Ring Magnets for Motors, brushless DC motor, stepper motor MPCO is professional manufacturer of sintered NdFeB Radial ring magnets for DC motor, Radially oriented sintered NdFeB segments magnets, Anisotropy bonded NdFeB ring magnet. Radially oriented sintered NdFeB ring magnets for DC motor is becoming more and more popular for motor (Brushless DC [...]
Strong Magnet Magnetization Orientation How do you differ from the north pole of a strong magnet without being marked? Obviously, it is impossible to distinguish between eyes alone. The compass can be used to approximate the powerful magnet, and the pointer to the north pole of the earth points to the south pole of the [...]
High Temperature Resistance Magnets Not all magnets are suitable for use in really high-temperatures, while some grades excel. Many applications, particularly within the manufacturing and engineering industries require magnets to be able to maintain their performance at incredibly high temperatures. Here you will find a selection of ferrite, alnico, samarium cobalt and special high-temperature neodymium [...]
Three environmental factors affect function of high temperature resistant magnet Environment temperature. Since sintered NdFeB has a negative temperature coefficient (αBr<-0.13%/°C, αHcj<-0.6%/°C), the instantaneous maximum temperature and the continued maximum temperature of the operating environment will cause different degrees of demagnetization of the magnet itself. Contains reversible and irreversible, rehabilitative and non-recoverable. Environment humidity. NdFeB [...]
How to keep the magnet magnetism for a long time? Magnet, also known as permanent magnets, are objects that exist around the material and have their own magnetic fields. They are both natural and artificial. Artificial magnets are usually made of a metal alloy and have strong magnetism. Ferromagnetic refers to the magnetic state of [...]
How does the magnet manufacturer process magnet? Many people know magnets and learn to use them. They also know that magnets are widely used in society. So, how do magnet manufacturers handle magnets? Let me introduce some measures for magnets from MPCO magnet manufacturer. magnet manufacturer process magnet First, the magnet is [...]
