Cu-Ag-Cr合金时效析出行为研究  

Study on Aging Characteristic of Cu-Ag-Cr Alloy

作　　者：王艳蕊[1] 刘平[1] 雷静果[1] 康布熙[1] 田保红[1] 

机构地区：[1]河南科技大学材料科学与工程学院,河南洛阳471003

出　　处：《热加工工艺》2005年第9期11-13,共3页Hot Working Technology

基　　金：国家高技术研究发展计划资助项目(2002AA221112);河南省杰出人才创新基金资助项目(0521001200);河南省自然科学基金资助项目(0511053300)

摘　　要：研究了时效参数和变形量对Cu-0.1Ag-0.61Cr合金性能的影响。结果表明:合金经980℃×20 min固溶后,在480℃时效1 h可获得较高的导电率和硬度。时效前对合金加以冷变形可以显著提高其显微硬度,合金经60%变形后在480℃时效30 min时,峰值硬度可达165.13 HV,导电率可达83%IACS,而固溶后直接时效分别仅为153.46 HV和77.63%IACS。与Cu-0.1Ag-0.46Cr合金相比其显微硬度有较大提高而导电率降低很少。The property of Cu-0. 1Ag-0.61Cr alloy after aging was studied .The result shows that the alloy, after solution at 980℃ for 20min, can obtain higher electrical conductivity and microhardness aged at 480℃ for lh. Cold deformation before aging can greatly improve properties of the alloy. Aging at 480℃ for 30min after 60% cold deformation, the values of microhardness and electrical conductivity can reach 165.13HV and 83%IACS, but they are only 153.46HV and 77.63% IACS respectively upon directly aging after solution.While comparing with Cu-0.1Ag-0.46Cr alloy, the value of microhardness increases and electrical conductivity decreases slightly.

关 键 词：Cu—Ag—Cr合金 冷变形 时效 导电率 显微硬度 

分 类 号：TG146.11[一般工业技术—材料科学与工程] TG166.2[金属学及工艺—金属材料]