◪The iron-based nanocrystalline alloy consists of iron, silicon, boron, bismuth, copper, and the like. When an iron-based amorphous alloy containing Cu and Nb is annealed at the crystallization temperature, a very fine grain structure is formed, and the grain size is only 10 to 20 nm. This amorphous alloy is subjected to a special crystallization annealing to form The crystalline material becomes a nanocrystalline alloy.
◪Nanocrystalline materials have high saturation magnetic induction, high magnetic permeability, low coercive force, low loss and good stability, high strength and toughness, wear resistance and corrosion resistance. As a nanocrystalline alloy material with the best performance-cost ratio in metal soft magnetic materials, it can replace silicon steel, permalloy and ferrite, making it an ideal material for medium-high frequency transformers, transformers, and inductors.
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