EFFECT OF PREPARATION CONDITION ON THERMAL EXPANSION ANISOTROPY FOR AMORPHOUS Fe_(78)B_(13)Si_9 ALLOY
LU Jian;WANG Jingtang;DING Bingzhe Institute of Metal Research; Academia Sinica; Shenyang
Cite this article:
LU Jian;WANG Jingtang;DING Bingzhe Institute of Metal Research; Academia Sinica; Shenyang. EFFECT OF PREPARATION CONDITION ON THERMAL EXPANSION ANISOTROPY FOR AMORPHOUS Fe_(78)B_(13)Si_9 ALLOY. Acta Metall Sin, 1989, 25(3): 102-106.
Abstract The thermal expansion anisotropy appears in all specimens preparedunder various forming conditions. The expansion along the longitudinal direction isless than that along the transverse direction. The cooling rate, the temperature of meltbefore jet casting and the cycling temperature affect the thermal expansion coeffi-cients and anisotropy. The anisotropy of thermal expansion originates from the direc-tional atomic interaction force, atomic oscillatory frequency and the directional shortrange order structure or defects in the alloy