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

引用

页码：407 / 413

页数：6

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