Microstructure of phases in a Cu–Zr alloy
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- 作者：Li-Jun Peng ; Xu-Jun Mi ; Bai-Qing Xiong ; Hao-Feng Xie ; Guo-Jie Huang
- 关键词：Cu–Zr alloy ; Microstructure ; Crystal structure ; Morphology ; Habit plane
- 刊名：Rare Metals
- 出版年：2015
- 出版时间：October 2015
- 年：2015
- 卷：34
- 期：10
- 页码：706-709
- 全文大小：816 KB
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Xu-Jun Mi (1)
Bai-Qing Xiong (1)
Hao-Feng Xie (1)
Guo-Jie Huang (1)
1. State Key Laboratory of Nonferrous Metals and Processes, General Research Institute for Nonferrous Metals, Beijing, 100088, China - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Metallic Materials
Chinese Library of Science - 出版者：Journal Publishing Center of University of Science and Technology Beijing, in co-publication with Sp
- ISSN：1867-7185
文摘
The morphology and crystallography of phases in the Cu-0.12 % Zr alloy were investigated by scanning electron microscope (SEM), transmission electron microscope (TEM), and high-resolution transmission electron microscope (HRTEM). The results show that the as-cast microstructure of Cu–Zr alloy is mainly Cu matrix and eutectic structure which consist of Cu and Cu5Zr phases with a fine lamellar structure. The disk-shaped and plate-liked Cu5Zr phases with fcc structure are found in the matrix, in which habit plane is parallel to {111}α plane of the matrix. Between the copper matrix and Cu5Zr phase, there exists an orientation relationship of \([112]_{\upalpha } \parallel [011]_{{{\text{Cu}}_{ 5} {\text{Zr}}}} ,(\overline{1} \overline{1} 1)_{\upalpha } \parallel (11\overline{1} )_{{{\text{Cu}}_{ 5} {\text{Zr}}}}\). The space structure model of Cu5Zr phase can be established. Keywords Cu–Zr alloy Microstructure Crystal structure Morphology Habit plane