Transactions of Materials and Heat Treatment

Title：Establishment of finite element model for cold plastic deformation of C194 copper alloy in rolling

Authors： Zhang Dandan Song Kexing Huang Tao Zhang Xuebin Hou Wenwu Huo Hua Zhong Jianying

Unit： Henan University of Science and Technology Tongling Jinvi Copper Co. Ltd. Pinggao Group Co. Ltd.

KeyWords： C194 copper alloy constitutive equation rolling cold plastic deformation

ClassificationCode：TG339

year,vol(issue):pagenumber：2020,45(3):159-165

Abstract：

For C194 copper alloy, the unidirectional tension test at room temperature was conducted by thermal simulator Gleeble-1500D, and the stress-strain curves were obtained under the strain rates of 0.01, 0.1, 1 and 10 s-1 respectively. Then, the constitutive equation of C194 copper alloy at room temperature was constructed, and the accuracy of the constitutive equation was verified. Furthermore, based on the finite element numerical simulation platform Deform-3D, the finite element model of cold plastic deformation for C194 copper alloy in the rolling was established, and the rolling deformation experiments were carried out under the same technological conditions. The results show that the relative error value of thickness for the fifth pass between the simulation and the experiment is 11%, and the remaining error values are less than 10%. Thus, the reliability and accuracy of the finite element model for rolling cold plastic deformation are verified to provide the basis for studying the deformation law and the process optimization of C194 copper alloy strip.

Funds：

国家重点研发计划（2017YFB0306400）；河南省杰出人才创新基金（182101510003）；河南省创新型科技团队（C2015 0014）

张丹丹（1994-），女，硕士研究生 E-mail：1687669587@qq.com 通讯作者：宋克兴（1967-），男，博士，教授 E-mail：kxsong@haust.edu.cn

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