Microstructure and solidification behaviour of CuNiSiAl eutectic multi-principal element alloy

被引：2
|
作者：
An, Xulong [1 ]
Zhang, Xiaotong [2 ]
Sui, Yudong [3 ]
Hu, Jing [1 ]
Xu, Zhengxiang [4 ]
Wei, Wei [1 ]
Chu, Chenglin [2 ]
Sun, Wenwen [2 ,5 ]
机构：
[1] Changzhou Univ, Sch Mat Sci & Engn, Changzhou, Peoples R China
[2] Southeast Univ, Dept Mat Sci & Engn, Nanjing, Peoples R China
[3] Kunming Univ Sci & Technol, Sch Mat Sci & Engn, Kunming, Peoples R China
[4] Nanjing Yunhai Special Met Co LTD, Jiangsu Key Lab Light Met Alloys, Nanjing, Peoples R China
[5] Southeast Univ, Dept Mat Sci & Engn, Nanjing 21118, Peoples R China
来源：
MATERIALS SCIENCE AND TECHNOLOGY | 2023年 / 39卷 / 16期
基金：
中国国家自然科学基金;
关键词：
Metals and alloys; copper alloys; eutectic medium entropy alloys; phase transformation; HIGH-ENTROPY ALLOY;
D O I：
10.1080/02670836.2023.2210917
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Eutectic multi-principal element alloys show great promise due to their exceptional castability, unique near-equilibrium microstructure, and controllability. In this study, a novel copper-containing Cu42.3Ni30Si15Al12.7 eutectic multi-principal element alloy was designed and investigated. The microstructure of the alloy is composed of primary phase Ni2Si and eutectic phase (FCC(Cu) + BCC(NiAl)). The eutectic reaction temperature is 1004 degrees C. Understanding the solidification process is crucial for optimising solidification parameters and subsequent annealing. The as-cast Cu42.3Ni30Si15Al12.7 alloy exhibits high micro-hardness (400 +/- 2.4 HV) and compressive fracture strength (1511 MPa)
引用
收藏
页码：2556 / 2561
页数：6
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