研究了Ni-Fe-Nb-Al合金在不同热处理条件下显微组织的变化。指出合金磁性和其它物理参量的变化与显微组织密切相关。
The alteration of microstructure of a NiFeNbAl aUoy has been observed under various heat treatments. It was shown that the magnetic properties and other physical parameters are immediately dependent on its microstructure. The alloy of 79%Ni-Fe-8%Nb-1.2%Al already has made such properties as: μ_0=15—20 kGs/Oe, μ_m=100—150kGs/Oe, H_c=0.015—0.03Oe, B_s=5200Gs, ρ=82—85 μΩ/cm, HV=290, after treated by heating to 1150℃ for 2 h and 970℃ aging 2h. An application of the alloy on the magnetic recording may be available.
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