Transactions of Materials and Heat Treatment

Title：Fast prediction of weld line movement for tailor-welded blank forming

Authors： TANG Bing-tao1 WANG Zhao-qing1 ZHANG Yu2 (1.Institute of Engineering Mechanics Shandong Jianzhu University Jinan 250101 China 2.Quality Assurance Department Shanghai Sekely Automobile Modeling Technology Co. Ltd. Shanghai 201209 China)

Unit：

KeyWords： tailor-welded blanks inverse analysis method weld line

ClassificationCode：TG441.3

year,vol(issue):pagenumber：2008,33(2):34-37

Abstract：

The formability of tailor-welded blanks(TWBS) decreases because of the transformation of microstructure in heat effect zone.Besides,specific materials can not be precisely positioned because of the weld line movement.According to the specialties of TWBS forming,the traditional drawing dies were modified.The experimental dies were designed with stepped punch and stepped binder.A novel method of predicting weld line movement using inverse analysis method was proposed.The in-house inverse analysis software InverStamp was developed.The comparisons of weld line movement between the one calculated and that of experiment with different process parameters demonstrate that the inverse analysis method can well reflect the tendency of weld line movement.Therefore,inverse analysis method can well reflect the effect of process parameters on weld line movement.

Funds：

山东建筑大学博士科研启动基金资助项目

Reference：

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