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| 冷变形与热处理对Cu-Cr-Zr-Ag合金组织与性能的影响 |
| Effect of Cold Working and Heat Treatment on Microstructures and Properties of Cu-Cr-Zr-Ag Alloy |
| Received:July 12, 2013 |
| DOI： |
| 中文关键词: 金属材料 Cu-Cr-Zr-Ag合金 冷变形 热处理 组织与性能 |
| 英文关键词: metal materials Cu-Cr-Zr-Ag alloy cold working heat treatment microstructure and property |
| 基金项目:国家自然科学基金项目(51164015)、对外科技合作计划省院省校专项(2012IB002)和昆明市科技创新团队项目 |
| Author Name | Affiliation | E-mail | | XIE Ming | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Key Laboratory of Yunnan Province Precious Materials, Kunming Institute of Precious Metals, Kunming 650106, China | powder@ipm.com.cn | | ZHANG Jiming | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Key Laboratory of Yunnan Province Precious Materials, Kunming Institute of Precious Metals, Kunming 650106, China | | | WANG Song | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Key Laboratory of Yunnan Province Precious Materials, Kunming Institute of Precious Metals, Kunming 650106, China | | | LIU Manmen | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Key Laboratory of Yunnan Province Precious Materials, Kunming Institute of Precious Metals, Kunming 650106, China | | | WANG Saibei | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Key Laboratory of Yunnan Province Precious Materials, Kunming Institute of Precious Metals, Kunming 650106, China | | | CHEN Yongtai | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Key Laboratory of Yunnan Province Precious Materials, Kunming Institute of Precious Metals, Kunming 650106, China | | | YANG Youcai | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Key Laboratory of Yunnan Province Precious Materials, Kunming Institute of Precious Metals, Kunming 650106, China | | | YANG Yunfeng | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Key Laboratory of Yunnan Province Precious Materials, Kunming Institute of Precious Metals, Kunming 650106, China | | | LI Aikun | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals, Sino-Platinum Metals Co. Ltd., Key Laboratory of Yunnan Province Precious Materials, Kunming Institute of Precious Metals, Kunming 650106, China | |
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| 中文摘要: |
| 采用扫描电镜、透射电镜、万能电子试验机、数字式微欧计等分析手段，研究了不同冷轧变形量和热处理工艺对高强高导Cu-Cr-Zr-Ag合金显微组织与性能的影响。结果表明，合金冷轧后，其显微组织中出现大量的位错和胞状结构，经500 ℃/1 h时效处理，合金基体中随机析出了弥散的第二相。随着冷轧变形量逐渐增大，合金抗拉强度不断升高，最高值可达632 MPa，而延伸率略有降低。时效态合金的断口形貌呈现出大量的韧窝，其断裂方式为微孔缩聚型塑性断裂。 |
| 英文摘要: |
| The influences of cold working and heat treatment on microstructures and properties of Cu-Cr-Zr-Ag alloy with high strength and high conductivity were studied by SEM, TEM, electronic universal testing machine and digital micro-ohm meter. Experimental results show that, after cold rolling, a large number of dislocations and cell structures appear in the microstructure of the alloy. The second phase precipitates are randomly dispersed in the matrix, when the alloy is aged at 500℃ for 1 hour. The tensile strength increases with the increase of cold rolling, and the highest tensile strength value is 632 MPa, while the elongation drops a little. The fracture surface of the aged alloy exhibits a large number of dimples and the fracture mode of the alloy is micro-porous condensation plastic fracture. |
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