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热处理对Cu-Cr-Zr合金抗拉强度和电导率的影响
Effects of Heat Treatment on Tensile Strength and Conductivity of Cu-Cr-Zr Alloy Doped with Lanthanum and Yttrium
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- DOI:
- 作者:
- 任香玉 高平 郭伟沯 刘素芬 张明 郑宏伟 雷燕 徐泽龙
REN Xiangyu;GAO Ping;GUO Weiza;LIU Sufen;ZHANG Ming;ZHENG Hongwei;LEI Yan;XU Zelong
- 作者单位:
- 内蒙金属材料研究所理化检测中心 中国人民解放军驻447厂军事代表室 中国酒泉卫星发射中心卫星发射中心
Physical and Chemical Testing Center,Inner Mongolia Metal Material Research Institute, Baotou 014034,China;Military Representative Office,The People's Liberation Army in 447 Plant, Baotou 014002,China;China Jiuquan Satellite Launch Center, Satellite Launch Center, Jiuquan 732750,China
- 关键词:
- Cu-Cr-Zr-La-Y合金 稀土 时效 电导率 抗拉强度
Cu-Cr-Zr-La-Y alloy rare earth aging electrical conductivity tensile strength
- 摘要:
- 镧、钇混合掺杂的铜铬锆合金Cu-0.684Cr-0.077Zr-0.012La-0.020Y经过不同温度固溶处理后,通过金相显微组织和能谱分析,确定合金的固溶温度为920℃。920℃固溶处理后的合金,经淬火水冷并经520℃×2 h时效处理后可以获得较好的综合性能,抗拉强度为407 MPa,电导率为79%IACS。Lanthanum and yttrium mixed doped Cu-0.684Cr-0.077Zr-0.012La-0.020Y alloy, after dealing with the different temperature solid solution, through metallographic microstructure and energy spectrum analysis, determine the alloy solid solution temperature is 920 ℃. 920 ℃ after solid solution treatment of the alloy after quenching water-cooling and by 520 ℃ for 2 h after aging treatment can obtain a better comprehensive performance, tensile strength is 407 MPa,conductivity is 79% IACS.