Transactions of Materials and Heat Treatment

Title：Influences of different electric conductivities on formability of aluminum-clad steel bus line based on HyperXtrude numerical simulation

Authors： Sun Guangjin Zhou Jianhua Liu Yan Wang Wenhui Fan Zhixin

Unit： Jiangsu Zhongtian Technologies Co. Ltd. Dalian Jiaotong University

KeyWords： continuous extrusion and cladding electric conductivity aluminum-clad steel concentricity Hyper Xtrude numerical simulation

ClassificationCode：TG379

year,vol(issue):pagenumber：2018,43(4):149-153

Abstract：

Based on HyperXtrude numerical simulation software, for SLB350 type continuous extrusion and cladding machine, the distributions of velocity field, temperature field and equivalent stress field on the calibrating strap of extrusion die were analyzed with the steel wire diameter of Ф4 mm and the electric conductivities of 20%IACS, 30%IACS and 40%IACS, which were in correspondence with the average thicknesses of aluminum layer of 0.32, 0.65 and 1.22 mm. The result shows that the cross-sectional area of aluminum-clad steel bus line increases with the increasing of electric conductivity when the steel wire diameter is constant, and the velocity, temperature and equivalent stress on the calibrating strap of extrusion die decrease continuously. Finally, the tests of concentricity for cladding bus line with three kinds of electric conductivities were performed. And the data of test coincides with the result of numerical simulation, which proves that the numerical simulation could guide the practical production effectively.

Funds：

江苏中天科技股份有限公司技术攻关项目（2017 JS035）

孙光进（1980 -），男，本科，工程师；E-mail：sungj@chinaztt.com；通讯作者：刘炎（1988-），男，硕士，工程师；E-mail:yanyan_zxad@163.com

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