Decomposition of primary MC carbide and its effects on the fracture behaviors of a cast Ni-base superalloy
文献类型：期刊论文
| 作者 | X. Z. Qin ; J. T. Guo ; C. Yuan ; C. L. Chen ; J. S. Hou ; H. Q. Ye |
| 刊名 | Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing
 |
| 出版日期 | 2008 |
| 卷号 | 485期号:1-2页码:74-79 |
| 关键词 | Ni-base superalloy thermal exposure carbides MC decomposition fracture property diffusion mechanism sx-superalloys creep microstructure precipitation elements rupture ni3al |
| ISSN号 | 0921-5093 |
| 中文摘要 | Primary MC degeneration in long-term thermally exposed cast Ni-base superalloy K452 was investigated in detail. It is shown that the primary MC degeneration is a diffusion-controlled process where various transformation products are sequentially present within the reaction region during exposure. The primary MC degeneration produces a DM or SM microstructure on the MC/gamma interface at the initiation of exposure, which hinders the diffusion of alloying elements via its ordered gamma' layers and leads to the presence of the eta and alpha-(W, Mo) phases, respectively during the intermediate and late exposure. In addition, the primary MC deterioration is examined to be detrimental to the long-term thermally exposed alloy due to its contribution to the cracking incidence especially when the MC is present at the grain boundaries. (C) 2007 Elsevier B.V. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://210.72.142.130/handle/321006/33054]  |
| 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 | X. Z. Qin,J. T. Guo,C. Yuan,et al. Decomposition of primary MC carbide and its effects on the fracture behaviors of a cast Ni-base superalloy[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2008,485(1-2):74-79. |
| APA | X. Z. Qin,J. T. Guo,C. Yuan,C. L. Chen,J. S. Hou,&H. Q. Ye.(2008).Decomposition of primary MC carbide and its effects on the fracture behaviors of a cast Ni-base superalloy.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,485(1-2),74-79. |
| MLA | X. Z. Qin,et al."Decomposition of primary MC carbide and its effects on the fracture behaviors of a cast Ni-base superalloy".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 485.1-2(2008):74-79. |
入库方式： OAI收割
来源：金属研究所
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