Progress in Protection Technologies of NdFeB Permanent Magnets

Abstract

China is the influential power country in production and application of NdFeB permanent magnetic material.NdFeB permanent magnetic material has the highest magnetic properties, the widest range of applications and the fastest growing, and it is also the best comprehensive performance of magnetic in current industrial production. With the continuous upgrading of the industry, it puts forward more new requirements of anti-corrosion performance. The corrosion protection issue of NdFeB permanent magnetic material has restricted the development of industry in the future. This paper reviews the protective technologies for NdFeB permanent magnet materials, especially tracks and introduces the new technology, and its development and application trends are prospected.