Tamin, Mohd. Nasir and Ayob, Amran (2011) Ductile failure prediction of spot welded lap joint. In: Regional Conference on Automotive Research (ReCAR) 2011, 14-16 December 2011, Kuala Lumpur, Wilayah Persekutuan, Malaysia.
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Official URL: http://dx.doi.org/10.4028/www.scientific.net/AMM.1...
Abstract
A finite element (FE) model incorporating a progressive material damage with Rice-Tracey damage initiation criterion is developed in this study. The relationship between local ductility reduction and stress triaxiality was established experimentally. The FE model was validated by comparisons of load-displacement response of the spot welded lap joint specimen at displacement rate of 5 mm/min and the observed ductile failure mechanism. Results show that Rice-Tracey damage initiation criterion used is sufficient to reproduce the observed ductile failure response of the specimen. Failure of the spot welded lap joint is initiated at the HAZ/fusion zone interface with localized necking.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | ductile failure, Finite Element Method (FEM), Rice-Tracey Model, spot welded joint, stress triaxiality |
| Divisions: | Mechanical Engineering |
| ID Code: | 45771 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 10 Jun 2015 03:00 |
| Last Modified: | 04 Sep 2017 05:38 |
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