Formation of nanocrystalline Fe73.5Cu1Nb3Si13.5B9 alloy under high pressure

被引：0
|
作者：
Xiangyi Zhang
Jingwu Zhang
Fuxiang Zhang
Wen Yu
Duanwei He
Liming Cao
Jianhua Zhao
Riping Liu
Yingfan Xu
Wenkui Wang
机构：
[1] Chinese Academy of Sciences,Institute of Physics
[2] Yanshan University,College of Materials Science and Engineering
来源：
Science in China Series A: Mathematics | 1999年 / 42卷
关键词：
high pressure; nanocrystalline alloy; Fe; Cu; Nb; Si; B; alloy;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The formation of nanocrystalline Fe73.5 Cu1Nb3Si13.5 B9 alloy by annealing an amorphous Fe73.5Cu1Nb3Si13.5B9 alloy at a temperature of 823 K under pressures in the range of 1–5 GPa is investigated by using X-ray diffraction, electron diffraction, and transmission electron microscopy. The high pressure experiments are carried out in belt-type pressure apparatus. Experimental results show that the initial crystalline phase in these annealed alloys is a-Fe solid solution (named a-Fe phase below), and high pressure has a great influence on the crystallization process of the a-Fe phase. The grain size of the a-Fe phase decreases with the increase of pressure (P). The volume fraction of the a-Fe phase increases with increasing the pressure as the pressure is below 2 GPa, and then decreases (Pδ2 GPa). The mechanism for the effects of the high pressure on the crystallization process of amorphous Fe73.5Cu1Nb3Si13.5B9 alloy is discussed
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页码：407 / 413
页数：6
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