Transformation Behavior of Precipitates in a W-alloyed 10 wt pct Cr Steel for Ultra-supercritical Power Plants
文献类型：期刊论文
| 作者 | X. Q. Hu ; N. M. Xiao ; X. H. Luo ; D. Z. Li |
| 刊名 | Journal of Materials Science & Technology
 |
| 出版日期 | 2010 |
| 卷号 | 26期号:9页码:817-822 |
| 关键词 | Heat resistant steel MX (X: C Phase transformation N) Microstructure precipitate creep-rupture strength modified 9cr-1mo steel microstructural evolution mx carbonitride phase |
| ISSN号 | 1005-0302 |
| 中文摘要 | Thermodynamic calculation, thermal analysis, and identification and observation of precipitates have been carried out on a W-alloyed 10 wt pct Cr steel by means of ThermoCalc program, differential thermal analysis (DTA), X-ray diffraction (XRD) and transmission electron microscopy (TEM) with an energy dispersive X-ray spectrometer, respectively. Several critical phase transformation points were determined by combining experimental results with calculations. Two individually stable phases of Nb(C, N) and VN, instead of one single phase MX (X: C, N), M(23)C(6) or Laves phases, were predicted in the calculated equilibrium phase diagram. An unstable elongated M(7)C(3) with relatively higher Cr was detected unexpectedly in the normalized and tempered steel. Two kinds of spherical Nb(C, N) with different size were recognized as the primary and the secondary precipitates of Nb(C, N) which contain different V contents. It was observed that one kind of complex precipitate in a special V-wing shape was resulted from two plate-like VN adhering to coarse primary spherical Nb(C, N). |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://210.72.142.130/handle/321006/31162]  |
| 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. Q. Hu,N. M. Xiao,X. H. Luo,et al. Transformation Behavior of Precipitates in a W-alloyed 10 wt pct Cr Steel for Ultra-supercritical Power Plants[J]. Journal of Materials Science & Technology,2010,26(9):817-822. |
| APA | X. Q. Hu,N. M. Xiao,X. H. Luo,&D. Z. Li.(2010).Transformation Behavior of Precipitates in a W-alloyed 10 wt pct Cr Steel for Ultra-supercritical Power Plants.Journal of Materials Science & Technology,26(9),817-822. |
| MLA | X. Q. Hu,et al."Transformation Behavior of Precipitates in a W-alloyed 10 wt pct Cr Steel for Ultra-supercritical Power Plants".Journal of Materials Science & Technology 26.9(2010):817-822. |
入库方式： OAI收割
来源：金属研究所
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