Microstructure of rapidly solidified Cu-25 wt.% Cr alloys | |
Zhou, ZM; Wang, YP; Gao, J; Kolbe, M | |
通讯作者 | Gao, J() |
2005-05-25 | |
发表期刊 | MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
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ISSN | 0921-5093 |
卷号 | 398期号:1-2页码:318-322 |
摘要 | Rapid solidification of Cu-25 wt.% Cr alloys was carried out by melt spinning at three wheel speeds 4.12 and 36 m/s. The the ribbons was investigated by scanning electron microscopy (SEM). It was found that the ribbons generally have a microstructure consisting of a fine dispersion of a Cr-rich phase in a Cu-rich matrix, and that the morphology and size of the Cr-rich phase vary with the wheel speed. For lower wheel speeds, the Cr-rich phase shows dual morphologies, dendrites and spheroids. The Cr-rich dendrites are all distributed around the Cr-rich spheroids, and have a larger amount on the free surface than on the wheel surface. The Cr-rich spheroids show a wide distribution of size, and have a larger mean size on the free surface than on the wheel surface. In the ribbons of the lowest wheel speed, small Cr-rich spheroids tend to gather around those big ones forming spheroid clusters. For the highest wheel speed, the Cr-rich phase shows one morphology, spheroids, and a reduced size. The results were discussed with respect to the formation of the Cr-rich spheroids during rapid solidification. (c) 2005 Elsevier B.V. All rights reserved. |
关键词 | Cu-Cr alloys liquid phase separation rapid solidification microstructure |
DOI | 10.1016/j.msea.2005.03.095 |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering |
WOS类目 | Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
WOS记录号 | WOS:000229998100040 |
出版者 | ELSEVIER SCIENCE SA |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.imr.ac.cn/handle/321006/84463 |
专题 | 中国科学院金属研究所 |
通讯作者 | Gao, J |
作者单位 | 1.Northeastern Univ, Key Lab Electromagnet Proc Mat, Shenyang 110004, Peoples R China 2.Chinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China 3.German Aerosp Ctr, Inst Space Simulat, D-51170 Cologne, Germany |
推荐引用方式 GB/T 7714 | Zhou, ZM,Wang, YP,Gao, J,et al. Microstructure of rapidly solidified Cu-25 wt.% Cr alloys[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2005,398(1-2):318-322. |
APA | Zhou, ZM,Wang, YP,Gao, J,&Kolbe, M.(2005).Microstructure of rapidly solidified Cu-25 wt.% Cr alloys.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,398(1-2),318-322. |
MLA | Zhou, ZM,et al."Microstructure of rapidly solidified Cu-25 wt.% Cr alloys".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 398.1-2(2005):318-322. |
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