Abstract
The roll forming process is applied to the manufacturing of high frequency welded (HFW) pipes, section steels, etc. In this paper, the roll forming process of the HFW pipe is simulated with the finite element method (FEM). A user-defined material routine of the commercial finite element code ABAQUS/Explicit is developed, and the mixed hardening constitution model is realized through the user-defined material routine. Based on the mixed hardening constitutive equation, the numerical simulation of roll forming process of HFW pipe is performed. The evolutions of equivalent stress and strain are analyzed, and the calculated results are also compared between different hardening models. The results show that the different material hardening models have some important effects on the variation of equivalent stress and strain of strip steel during the simulation of the roll forming process.
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Foundation item: the National Natural Science Foundation of China (No. 50375095)
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Li, JX., Xie, LY., Wang, Jj. et al. Numerical study of the forming process of high frequency welded pipe. J. Shanghai Jiaotong Univ. (Sci.) 15, 236–240 (2010). https://doi.org/10.1007/s12204-010-8131-9
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DOI: https://doi.org/10.1007/s12204-010-8131-9
Key words
- numerical simulation
- mixed hardening model
- high frequency welded pipe
- cage roll forming
- user-defined material routine