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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 9    No. 2    June 1999

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3-D RIGID PLASTIC FEM SIMULATION OF EXTRUDING-BULGING PROCESS OF TEE TUBES
Wang Chenlu, Shan Debin and Lu Yan

School of Materials Science and Engineering,Harbin Institute of Technology, Harbin 150001, P. R. China

Abstract:3-D rigid plastic FEM(Finite Element Method) is adopted to simulate the extruding-bulging process of tee tubes. Deformed mesh and velocity field in different stages are obtained, and strain-rate and stress distributions are obtained at the same time. The deformation and flowing laws of tubular blank in extruding-bulging process of tee tubes are revealed, which provide scientific and reliable basis for correctly designing technological scheme and rationally selecting parameters.

 

Key words: FEM extruding-bulging process tee tubes

ISSN 1672-7029
CN 43-1423/U

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