Borhana, A. A. and Mohamad, A. T. and Abdul Latif, A. and Ahmad, Zaini and Ayob, A. and Tamin, Mohd. Nasir (2012) Ductile failure prediction of spot welded lap joint. Applied Mechanics and Materials, 165 . pp. 285-289. ISSN 1660-9336
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Official URL: https://www.scientific.net/AMM.165.285
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: | Article |
|---|---|
| Uncontrolled Keywords: | Rice-Tracey model, Spot welded joint, Stress triaxiality |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Mechanical Engineering |
| ID Code: | 32670 |
| Deposited By: | Fazli Masari |
| Deposited On: | 17 Jun 2013 07:24 |
| Last Modified: | 31 Oct 2018 12:36 |
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