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HARD MAGNETIC MATERIAL

2025-06-18 15:052120下载
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PROBLEM TO BE SOLVED : To provide a hard magnetic material which can develop good uniaxial magnetic anisotropy without using a rare earth element nor noble metal element. SOLUTION : An FeCoAl alloy-based hard magnetic material comprises a tetragonal crystal FeCoAl alloy having a composition expressed by the general formula (1) below. The tetragonal crystal strain c/a of the tetragonal crystal FeCoAl alloy is between 1 and 1.4. (FexCo1-x)1-yAly (1) (In general formula (1), x is a real number satisfying 0.4≤x≤0.6; and y is a real number meeting 0
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