Effects of pressure, temperature and grain size on synthesis and structures of Fe-N alloys
文献类型：期刊论文
| 作者 | L. Liu ; B. Yao ; X. D. Zhao ; X. Y. Guo ; F. L. Ning ; W. H. Su |
| 刊名 | Chemical Journal of Chinese Universities-Chinese
 |
| 出版日期 | 2002 |
| 卷号 | 23期号:1页码:41069 |
| 关键词 | solid-state reaction crystal structure high pressure Fe-N alloy magnetic-properties nitrides |
| ISSN号 | 0251-0790 |
| 中文摘要 | Effects of pressure, temperature and grain size on the solid state reaction between alpha-Fe and amorphous BN and crystal structures of the resultant of the reaction were studied by using mechanical milling and high pressure techniques at the temperatures ranging from 580 to 930 K under pressures between 1 x 10(-3) Pa and 4 GPa. It was found that the pressures and refinement of grain size can greatly accelerate the solid state reaction process. There is a critical grain size for a-Fe, below which the reaction begins to occur. In the present experiment, this grain size was measured to be about 8 nm. The crystal structures of the resultants change with the variation of pressure and temperature. A new Fe-N alloy with orthorhombic structure was produced firstly at 2 GPa and 800 K. Single phase epsilon-FexN alloy can be obtained in the temperature range of 690 to 800 K at the pressures of 3 to 4 GPa. However, the resultant is not any Fe-N alloy but Fe3B alloy when the pressure is 4 GPa and the temperature is above 930 K. |
| 原文出处 | |
| 公开日期 | 2012-04-14 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/36349]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | L. Liu,B. Yao,X. D. Zhao,et al. Effects of pressure, temperature and grain size on synthesis and structures of Fe-N alloys[J]. Chemical Journal of Chinese Universities-Chinese,2002,23(1):41069. |
| APA | L. Liu,B. Yao,X. D. Zhao,X. Y. Guo,F. L. Ning,&W. H. Su.(2002).Effects of pressure, temperature and grain size on synthesis and structures of Fe-N alloys.Chemical Journal of Chinese Universities-Chinese,23(1),41069. |
| MLA | L. Liu,et al."Effects of pressure, temperature and grain size on synthesis and structures of Fe-N alloys".Chemical Journal of Chinese Universities-Chinese 23.1(2002):41069. |
入库方式： OAI收割
来源：金属研究所
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