Lanzhou University of Technology Institutional Repository (LUT_IR)
Differential effects of Zn and Co solutes on the properties of Cu–Ni–Sn alloys | |
Li, N.J.1; Li, X.N.1; Li, Z.M.1; Yu, Q.X.1; Zheng, Y.H.2; Hu, Y.L.1; Wang, Q.1; Dong, C.1; Jiang, Y.X.3,4; Zhang, X.W.4 | |
2020-10-01 | |
发表期刊 | Intermetallics |
ISSN | 09669795 |
卷号 | 125 |
摘要 | In order to solve the segregation and discontinuous precipitation of Cu–Ni–Sn alloys and explore the influence mechanism of solid soluble microelements on the microstructure and properties. Herein, based on the cluster-plus-glue-atom model, Zn or Co, with different solubilities in Cu, was selected as the fourth element in the way of replacing a small portion of Sn for the composition design of Cu–Ni–Sn–Zn (Co) series alloys. The solid solution forms and positions of Zn and Co solutes were revealed according to EPMA composition analysis and variation of the lattice parameter of the Cu matrix in solution treated alloys, and form atomic site occupation point of view, the influence of Zn or Co on solidus-liquidus temperature range were discussed. Furthermore, phase transformation and resistivity thermal stability with temperature rising were investigated and discussed utilizing results of variable temperature resistance. These results show that Zn solutes dissolve in the form of clusters, resulting in a strong solid solution strengthening, existing less effect on conductivity, and increasing comprehensive properties after long-term aging, which indicates that Zn can be a good candidate for the multi-component design of Cu–Ni–Sn alloys. These findings may offer new insights on composition optimization of Cu–Ni–Sn alloy. © 2020 Elsevier Ltd |
关键词 | Cobalt alloys Precipitation (chemical) Solid solutions Atomic site occupations Composition analysis Composition optimization Comprehensive properties Discontinuous precipitation Microstructure and properties Solid solution strengthening Solution-treated alloys |
DOI | 10.1016/j.intermet.2020.106894 |
收录类别 | EI |
语种 | 英语 |
出版者 | Elsevier Ltd |
EI入藏号 | 20203209012368 |
EI主题词 | Tin alloys |
来源库 | Compendex |
分类代码 | 546.2 Tin and Alloys - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 802.3 Chemical Operations - 933 Solid State Physics |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://ir.lut.edu.cn/handle/2XXMBERH/115824 |
专题 | 省部共建有色金属先进加工与再利用国家重点实验室 材料科学与工程学院 |
作者单位 | 1.Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Dalian University of Technology), Ministry of Education, Dalian; 116024, China; 2.State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou; 730050, China; 3.School of Materials Science and Engineering, Central South University, Changsha; 410083, China; 4.CNMC Albetter Albronze Co., Ltd, Linqing; 252600, China |
推荐引用方式 GB/T 7714 | Li, N.J.,Li, X.N.,Li, Z.M.,et al. Differential effects of Zn and Co solutes on the properties of Cu–Ni–Sn alloys[J]. Intermetallics,2020,125. |
APA | Li, N.J..,Li, X.N..,Li, Z.M..,Yu, Q.X..,Zheng, Y.H..,...&Zhang, X.W..(2020).Differential effects of Zn and Co solutes on the properties of Cu–Ni–Sn alloys.Intermetallics,125. |
MLA | Li, N.J.,et al."Differential effects of Zn and Co solutes on the properties of Cu–Ni–Sn alloys".Intermetallics 125(2020). |
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