8th International Conference on Fracture and Strength of Solids (FEOFS) 2010 , 2010-06-06

Title : ( Necking prediction in tube hydroforming by stress-based forming limit diagrams )

Authors: Abdolrahman Jaamialahmadi , Mehran Kadkhodayan ,

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Abstract. Path-independent stress based forming limit diagrams for anisotropic materials along with the Hill 48 yield function; power law strain hardening and isotropic hardening are derived. Bifurcation analysis via solving equilibrium equations of a pointed vertex on subsequent yield loci are utilized. The presented FLSDs show more acceptable agreements with experimental data compared with those obtained by other methods. A typical neck detection macro in APDL is developed by FEA simulation for a free bulge tube hydroforming to confirm the significant simplicity and straightforwardness of the mentioned FLSD.

Keywords

, Keyword: neck initiation, tube hydroforming, bifurcation analysis, anisotropy, Hill 48, FLSD,
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@inproceedings{paperid:1016212,
author = {Jaamialahmadi, Abdolrahman and Kadkhodayan, Mehran},
title = {Necking prediction in tube hydroforming by stress-based forming limit diagrams},
booktitle = {8th International Conference on Fracture and Strength of Solids (FEOFS) 2010},
year = {2010},
location = {کوالامپور},
keywords = {Keyword: neck initiation; tube hydroforming; bifurcation analysis; anisotropy; Hill 48; FLSD; Swift},
}

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%0 Conference Proceedings
%T Necking prediction in tube hydroforming by stress-based forming limit diagrams
%A Jaamialahmadi, Abdolrahman
%A Kadkhodayan, Mehran
%J 8th International Conference on Fracture and Strength of Solids (FEOFS) 2010
%D 2010

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