硼元素对1070铝合金力学性能及导电率的影响  

Effect of Boron Content on Mechanical Properties and Electrical Conductivity of 1070 Aluminum Alloy

作　　者：代自莹 谢方亮 张宇 李秋梅 张伟 刘兆伟 Dai Ziying;Xie Fangliang;Zhang Yu;Li Qiumei;Zhang Wei;Liu Zhaowei(Liaoning Zhongwang Group Co.,Ltd.,Liaoyang 111003,China)

机构地区：[1]辽宁忠旺集团有限公司,辽宁辽阳111003

出　　处：《有色金属加工》2024年第1期43-45,70,共4页Nonferrous Metals Processing

摘　　要：文章以1070铝合金为研究对象,采用化学成分检测、光学显微组织、常温力学拉伸和导电率等测试方法,研究不同硼元素含量对1070铝合金导电率和力学性能的综合影响。结果表明,硼元素添加量为0.1 wt.%时,屈服强度、抗拉强度和断后伸长率分别提升25.3%、19.3%和8.9%,导电率由60.6%IACS提升至62.9%IACS,1070铝合金的导电性能和力学性能最佳。In this paper,the effects of different boron content on the electrical conductivity and mechanical properties of 1070 aluminum alloy is studied by chemical composition detection,optical microstructure,mechanical tensile and electrical conductivity at room temperature.The results show that the yield,tensile strength and elongation after fracture increase by 25.3%,19.3%and 8.9%,respectively,when boron content is 0.1%.The conductivity was increased from 60.6%IACS to 62.9%IACS,and the electrical conductivity and mechanical properties of 1070 aluminum alloy are the best.

关 键 词：1070铝合金 Al-3%B中间合金 硼化处理 导电率 

分 类 号：TG146.21[一般工业技术—材料科学与工程]