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NdFeb Magnets A Brief Introdction
May 23, 2017

 NdFeb Magnets NdFeB magnets can be divided into two kinds of bonded NdFeB and sintered NdFeB. Bonding is actually injection molding, and sintering is the vacuum through the high temperature heating molding! NdFeB magnets are permanent magnets with the strongest magnetic force so far. Material grades are N35-N52; various shapes can be processed according to specific requirements: round, box, punch, magnetic tile, magnet, convex, trapezoidal, etc .; despite these advantages, but the surface is easy to rust, For some protective surface treatment: nickel, galvanized, gold-plated, plating epoxy resin. Ordinary NdFeB magnets for the ambient temperature is 80 degrees below, but there are several kinds of ability to 200 degrees high temperature. Mainly used in electronics, electrical appliances, packaging, electrical, toys, leather goods, automotive machinery.

   NdFeb Magnets A ferrite magnet is a ferritic metal oxide. In terms of electrical properties, the ferrite has a much higher resistivity than metal and alloy magnetic materials, and has higher dielectric properties. The magnetic properties of ferrite also exhibit high permeability at high frequencies. Thus, ferrite has become a widely used non-metallic magnetic material in the field of high frequency and weak electricity. Belonging to non-metallic magnetic materials, is a composite oxide (or ferrate) of ferric oxide with one or more other metal oxides. Magnetic force is usually 800-1000 Gauss, often used in speakers, speakers and other equipment.

NdFeB magnets have the advantage of high cost performance and good mechanical properties. The downside is that the Curie temperature is low and the temperature characteristics are poor and easy to corrode the corrosion. It must be adjusted by adjusting its chemical composition and by surface treatment. Improvement, in order to achieve the practical application requirements. NdFeB belongs to the third generation of rare earth permanent magnetic materials, with small size, light weight and strong magnetic characteristics, is the best performance and cost ratio of the magnet, in the magnetic sector known as the magnetic king. The advantages of high energy density make NdFeB permanent magnet materials in modern industry and electronic technology has been widely used. In the state of bare magnetic, the magnetic force can reach about 3500 Gauss.

   NdFeb Magnets It is expected that in the next 20 years, there can be no alternative to NdFeB magnets of magnetic materials appear. The main raw materials for the production of NdFeB magnets are rare earth metal neodymium, rare earth metal praseodymium, pure iron, aluminum, boron iron alloy and other rare earth raw materials.

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