6061-T6铝合金挤压棒材导电率研究  

Study on electrical conductivity of 6061-T6 aluminum alloy extruded bars

作　　者：周江平 朱世安 刘欢 蔡月华 罗涛涛 Zhou Jiangping;Zhu shian;Liu Huan;Cai Yuehua;Luo Taotao(Guangdong Haomei Technology Innovation Research Institute Co.,Ltd.,Qingyuan,511540;Guangdong Haomei New Materials Co.,Ltd.,Qingyuan,511540,China)

机构地区：[1]广东豪美技术创新研究院有限公司,清远511540 [2]广东豪美新材股份有限公司,清远511540

出　　处：《铝加工》2023年第6期43-46,共4页Aluminium Fabrication

基　　金：清远市2022年省科技专项资金(“大专项+任务清单”)项目(2022DZX006)。

摘　　要：研究了不同化学成分、不同均质工艺和不同时效工艺对6061-T6铝合金挤压棒材导电率的影响。结果表明,通过控制合金中的杂质含量及Mg/Si比值,采用均质工艺575℃×8 h、时效工艺195℃×6 h制备的6061-T6挤压棒材,其抗拉强度达到292 MPa,屈服强度为272 MPa,断后延伸率为13.5%,硬度为106HB,导电率达到46.08%IACS。产品导电率及力学性能满足了用户的使用要求。The effect of various chemical composition,homogenization process,and aging process on the electrical conductivity of 6061T6 aluminum alloy extruded bars was determined.The results showed that by controlling the impurity content and Mg/Si ratio in the alloy,the 6061-T6 extruded bar was prepared by homogenization process at 575°C×8 h and aging process at 195°C×6 h.The tensile strength reached 292 MPa,the yield strength was 272 MPa,the elongation after fracture was 13.5%,the hardness was 106 HB,and the conductivity was 46.08%IACS.The electrical conductivities and mechanical properties meet the user requirements.

关 键 词：6061铝合金挤压棒材 化学成分 均质工艺 力学性能 导电率 

分 类 号：TG146.21[一般工业技术—材料科学与工程] TG379[金属学及工艺—金属材料]