Microstructure and properties of Cu-Ni-Si-Zr alloy after thermomechanical treatments

被引：0

作者：

Xiang-Peng Xiao ^{[1
]}

Bai-Qing Xiong ^{[1
]}

Qiang-Song Wang ^{[1
]}

Guo-Liang Xie ^{[1
]}

Li-Jun Peng ^{[1
]}

Guo-Xing Huang ^{[2
]}

机构：

[1] State Key Laboratory for Fabrication and Processing of Non-ferrous Metals,General Research Institute for Nonferrous Metals

[2] Aluminum Corporation of China Limited Luoyang Copper Co.,Ltd.

来源：

Rare Metals | 2013年 / 32卷 / 02期

关键词：

Cu-Ni-Si-Zr alloy; Precipitation; Electrical conductivity; Tensile strength; Microstructural features;

D O I：

暂无

中图分类号：

TG166 [有色金属及其合金的热处理];

学科分类号：

080201 ; 080503 ;

摘要：

The effect of thermomechanical treatments on the microstructures and properties of Cu-2.1Ni-0.5Si-0.2Zr alloy was investigated. The hot-rolled plates wer solution treated at 920 °C for 1.5 h, quenched into water cold rolled by 70% reduction in thickness, and then aged at 400, 450 and 500 °C for various times. The variation in tensile strength and electrical conductivity of the alloy wa measured as a function of the aging time. The results show the peak strength value of 665 MPa for the alloy aged a 450 °C for 2 h. However, the electrical conductivity i observed to reach a maximum of 47% IACS aged a 450 °C for 8 h. OM, SEM, and TEM were used fo microstructural inspection of the alloy. Precipitation occur preferentially at deformation bands in the cold-rolled alloy Properties behavior is discussed in the light of micro structural features.

引用

页码：144 / 149

页数：6

共 7 条

[1] Aging characteristic of Cu-0.6Cr-0.15Zr-0.05Mg-0.02Si alloy containing trace rare earth yttrium [J]. YU Fangxin, CHENG Jianyi, and AO Xuewen School of Materials Science and Engineering, Nanchang University, Nanchang 330031, China.&nbsp&nbspRare Metals. 2011(05)
[2] 电子工业用引线框架铜合金及组织的研究
谢水生
李彦利
朱琳
[J]. 稀有金属, 2003, (06) : 769 - 776
[3] Effect of thermomechanical treatment on spray formed Cu – Ni – Si alloy [J] . Srivastava,Schneider,Uhlenwinkel,Bauckhage.&nbsp&nbspMaterials Science and Technology . 2004 (7)
[4] Age-hardening characteristics of Cu–2.4Ni–0.6Si alloy produced by the spray forming process [J] . V.C Srivastava,A Schneider,V Uhlenwinkel,S.N Ojha,K Bauckhage.&nbsp&nbspJournal of Materials Processing Tech. . 2004 (2)
[5] Fatigue of precipitate strengthened Cu–Ni–Si alloy [J] . Lockyer,Noble.&nbsp&nbspMaterials Science and Technology . 1999 (10)
[6] PRECIPITATE STRUCTURE IN A CU-NI-SI ALLOY
LOCKYER, SA
NOBLE, FW
[J]. JOURNAL OF MATERIALS SCIENCE, 1994, 29 (01) : 218 - 226
[7] Effect of heat treatment on precipitation behaviour in a Cu-Ni-Si-P alloy [J] . Young G. Kim,Tae Y. Seong,Jae H. Han,Alan J. Ardell.&nbsp&nbspJournal of Materials Science . 1986 (4)

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