TEMPERATURE DEPENDENCE OF PERMEABILITY FOR Fe-Cu-Nb-V-Si-B NANOCRYSTALLINE ALLOY
WANG Zhi;HE Kaiyuan;YIN Jun;ZHANG Yumei;ZHANG LuO;LIANG Zhide (Department of Material Science and Engineering; Northeastern University; Shenyang 110006)(Institute of Materials Physics; Tianjin Institute of Technology; Tianjin 300191)(Shanghai Iron and Steel Research Institute; Shanghai 200940)
Cite this article:
WANG Zhi;HE Kaiyuan;YIN Jun;ZHANG Yumei;ZHANG LuO;LIANG Zhide (Department of Material Science and Engineering; Northeastern University; Shenyang 110006)(Institute of Materials Physics; Tianjin Institute of Technology; Tianjin 300191)(Shanghai Iron and Steel Research Institute; Shanghai 200940). TEMPERATURE DEPENDENCE OF PERMEABILITY FOR Fe-Cu-Nb-V-Si-B NANOCRYSTALLINE ALLOY. Acta Metall Sin, 1998, 34(2): 200-204.
Abstract The correlation between initial permeability μi and temperature T (μi-T curve) for nanocrystalline Fe72. 7 Cu 1 Nb2 V 1. 8 Si13. 5 B9 alloy annealed at 5 30 ─ 6 20℃ was investigated.The experimental results showed that the annealing temperature Ta has significant effects on μi-T curve. Three types of μi-T curves were observed. The corresponding annealing temperatures are (1) Ta=530 - 550℃t, (2) Ta=560 - 590℃ and (3) Ta 2600℃. The phase structure of alloy corresponding to the three types of μi-T curves was analysed and the effects of the grain size and volume fraction of α-Fe(Si,V) phase as well as the magnetic properties of residual amorphous phase on μi-T curve were also discussed.
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