کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
789163 1465649 2011 23 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A micro mechanical study on failure initiation of dual phase steels under tension using single crystal plasticity model
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی مکانیک
پیش نمایش صفحه اول مقاله
A micro mechanical study on failure initiation of dual phase steels under tension using single crystal plasticity model
چکیده انگلیسی

Both experimental and numerical methods were employed to investigate the mechanism of failure in dual phase steels. The tensile test was interrupted in different steps to capture the mechanism of void initiation and void growth during material failure. The results can be considered as a first report for the commercial DP800 steel. Numerical simulations, which were carried out using the real micro-structure, are able to predict the void initiation in the material. In addition, through the numerical simulation a new understanding of the deformation localization was gained. Deformation localization, which causes severely deformed regions in the material, is most probably the main source of rupture in the final stages of the failure. In the SEM micrographs of the material after failure some voids are observable which can validate the results obtained by the simulation.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Plasticity - Volume 27, Issue 7, July 2011, Pages 1103–1125
نویسندگان
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