硼化处理对导电铝Ti、V含量以及性能影响的研究  

Influence of Boronization Treatment on the Contents of Ti and V and Properties of Electrical Aluminum

作　　者：张强[1] 郭锋[1] 李志强[2] 鲍永强[2] 

机构地区：[1]内蒙古工业大学材料科学与工程学院,内蒙古呼和浩特010051 [2]包头铝业股份有限公司,内蒙古包头014046

出　　处：《铸造技术》2007年第10期1338-1340,共3页Foundry Technology

基　　金：内蒙古自治区高等学校科学研究项目(NJ05045)

摘　　要：在电解原铝液中加入硼,研究了硼化处理对电导率和力学性能的影响。结果表明,通过适当的硼化处理,可以使铝中的Ti、V含量大幅度降低,Ti、V元素的含量降低到0.002%以下。硼化处理后电工铝的电阻率降到27.7nΩ.m,伸长率提高,抗拉强度略有降低。硼与Ti、V等元素反应生成硼化物并由铝液中分离,降低了Ti、V等元素的固溶量,从而影响铝的导电性能和力学性能。The influence of boronization treatment on electrical conductivity and mechanical properties of electrical aluminum were investigated through adding boron into the electrolytic aluminum. The results show that through appropriate boronization treatment, the contents of Ti and V can be decreased sharply by, which are less than 0. 002wt%. The electrical resistivity is 27.7 nQ ·m. Meanwhile, the elongation increases and tensile strength decreases slightly. Since boron reacts with V and Ti to form borides, which is separated from aluminum liquid, the solubility of V and Ti into aluminum decreases. Consequently, boron affect the electrical conductivity and mechanical properties of aluminum.

关 键 词：导电铝合金 硼化处理 电导率 力学性能 

分 类 号：TF821[冶金工程—有色金属冶金]