Transactions of Materials and Heat Treatment

Title：3D thermo-mechanical coupling finite element analysis of piercing process for TA2 bar billet

Authors： LIU Jiang-lin ZENG Wei-dong WU Huan ZHAO Yong-qing WANG Teng

Unit： Northwestern Polytechnical University orthwest Institute for Non-Ferrous Metal Research

KeyWords： TA2 cross piecing thermo-mechanical coupling FEM simulation

ClassificationCode：TG355.3+4

year,vol(issue):pagenumber：2012,37(3):59-62

Abstract：

The distributions of strain and temperature field in the workpiece have a great effect on the tube billet forming quality during piercing process in cross rolling mill. The piercing process of the TA2 alloy in the Mannesmann piercing mill was simulated using 3D thermo\|mechanical coupled finite element software, and the change law of the strain and temperature field in the process was analyzed. The results show that longitudinal rolling phenomenon exists in the piercing process and the pierced tube billet front end is difficult to keep roundness. The forming patterns got from the finite element simulation analysis play an important theoretical and practical role in the study of difficult deformation material piercing process technology research.

Funds：

教育部“新世纪优秀人才支持计划”（NCET-07-0696）

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