Microstructure, brittle-ductile transition temperature and elevated temperature compressive behavior of the directionally solidified NiAl-Cr(Mo)-Hf alloy
文献类型：期刊论文
| 作者 | C. Y. Cui ; J. T. Guo ; H. Q. Ye |
| 刊名 | Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing
 |
| 出版日期 | 2004 |
| 卷号 | 385期号:1-2页码:359-366 |
| 关键词 | microstructure Ni2AlHf phase BDTT deformation behavior mechanical-properties deformation-behavior nial/cr(mo) alloy nial-cr creep toughness crystals strength hf |
| ISSN号 | 0921-5093 |
| 中文摘要 | The directionally solidified NiAl-27Cr-5.6Mo-0.4Hf (at.%) alloy was hot isostatically pressed at 1573 K, 100MPa for 2h and then annealed at 1323 K for 40 h. Microstructure examination revealed that the present alloy was mainly composed of three phases, i.e. the NiAl matrix, the lamellar Cr(Mo) and Heusler phase (Ni2AlHf). The interfaces between the NiAl-Cr(Mo), the NiAl-Ni2AlHf were atomically flat. The mechanical properties including the brittle-ductile transition temperature and the high temperature compressive behavior were also tested. The BDTT of the alloy was about 1233 K at a strain rate of 1.04 x 10(-4) s(-1) and dependent on strain rate. This strain-rate dependent BDT can be explained by the cooperative dislocation generation model. The investigation on the high temperature compressive behavior between 1200 and 1300 K showed that the deformation behaviors of the alloy could be adequately described by the standard power-law. The possible strengthening mechanism was discussed. (C) 2004 Elsevier B.V. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-14 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/35334]  |
| 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 | C. Y. Cui,J. T. Guo,H. Q. Ye. Microstructure, brittle-ductile transition temperature and elevated temperature compressive behavior of the directionally solidified NiAl-Cr(Mo)-Hf alloy[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2004,385(1-2):359-366. |
| APA | C. Y. Cui,J. T. Guo,&H. Q. Ye.(2004).Microstructure, brittle-ductile transition temperature and elevated temperature compressive behavior of the directionally solidified NiAl-Cr(Mo)-Hf alloy.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,385(1-2),359-366. |
| MLA | C. Y. Cui,et al."Microstructure, brittle-ductile transition temperature and elevated temperature compressive behavior of the directionally solidified NiAl-Cr(Mo)-Hf alloy".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 385.1-2(2004):359-366. |
入库方式： OAI收割
来源：金属研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。