Cu-Te合金的退火工艺

doi:10.13251/j.issn.0254-6051.2020.06.007

金属热处理 ›› 2020, Vol. 45 ›› Issue (6): 34-38.DOI: 10.13251/j.issn.0254-6051.2020.06.007

Cu-Te合金的退火工艺

朱明彪^1,2, 李明茂¹, 黎兆鑫¹, 汤莹莹¹

1. 江西理工大学材料冶金化学学部, 江西赣州 341000;
2. 江西先进铜产业研究院, 江西鹰潭 335000

收稿日期:2020-01-16 出版日期:2020-06-25 发布日期:2020-09-02
通讯作者: 李明茂,副教授,硕士,E-mail: lmm82@126.com
作者简介:朱明彪(1994—),男,硕士研究生,主要研究方向为铜及铜合金组织与性能,E-mail:zmb1210@163.com。
基金资助:
江西省优势创新团队科技项目(20181BCB19003)

Annealing process of Cu-Te alloys

Zhu Mingbiao^1,2, Li Mingmao¹, Li Zhaoxin¹, Tang Yingying¹

1. Faculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou Jiangxi 341000, China;
2. Jiangxi Advanced Copper Industry Research Institute,Yingtan Jiangxi 335000, China

Received:2020-01-16 Online:2020-06-25 Published:2020-09-02

摘要/Abstract

摘要： 研究了退火工艺对Te含量分别为0.02%、0.07%、0.10%的3种Cu-Te合金的力学与导电性能及组织的影响,测试了不同退火温度和不同退火时间下合金的力学性能和导电性能,使用扫描电镜(SEM)研究了Cu-Te合金在不同退火温度下拉伸断口的形貌变化。结果表明:Cu-Te合金断裂属于韧性断裂,断裂形成的韧窝随着退火温度的上升,尺寸变得越大、越深,形状变得更加圆整;随着退火温度与退火时间的增加,Cu-Te合金的导电率持续增加,抗拉强度在350～390 ℃退火1 h时变化不大,合金处于回复阶段,400 ℃退火1 h后,抗拉强度大幅度下降,合金处于再结晶阶段;Cu-Te合金经过冷变形 (ε=96.5%)后,在400 ℃退火1 h,获得最佳的综合性能。

关键词: Cu-Te合金, Cu₂Te, 再结晶

Abstract: The effects of annealing process on the mechanical and electrical conductivity properties and microstructure of Cu-Te alloys with 0.02%, 0.07%, 0.10%Te respectively were investigated. The mechanical properties and electrical conductivity of the alloys were tested under different annealing temperatures and annealing time, and the tensile fracture morphology changes at different temperatures were studied by scanning electron microscopy (SEM). The results show that the fracture of the Cu-Te alloys is of ductile type, and the fracture dimples become larger, deeper and more round with the inerease of annealing temperature. With the increase of annealing temperature and annealing time, the conductivity of the alloys continues to increase, while the tensile strength changes little when annealed at 350-390 ℃ for 1 h, the alloys are in the recovery stage. After annealing at 400 ℃ for 1 h, the tensile strength decreases greatly and the alloys are in the recrystallization stage. After cold deformation of 96.5% and annealing at 400 ℃ for 1 h, the Cu-Te alloys obtain the best overall performance.

Key words: Cu-Te alloys, Cu₂Te, recrystallization

中图分类号:

TG146.1

朱明彪, 李明茂, 黎兆鑫, 汤莹莹. Cu-Te合金的退火工艺[J]. 金属热处理, 2020, 45(6): 34-38.

Zhu Mingbiao, Li Mingmao, Li Zhaoxin, Tang Yingying. Annealing process of Cu-Te alloys[J]. Heat Treatment of Metals, 2020, 45(6): 34-38.

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Cu-Te合金的退火工艺

Annealing process of Cu-Te alloys

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