Computer simulation of crack propagation in power electronics module solder joints
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Lu, Hua, Ridout, Stephen, Bailey, Christopher, Loh, Wei-Sun, Pearl, Agyakwa and Johnson, C. Mark (2008) Computer simulation of crack propagation in power electronics module solder joints. In: International Conference on Electronic Packaging Technology & High Density Packaging, 2008. ICEPT-HDP 2008. Institute of Electrical and Electronics Engineers, Inc., Piscataway, NJ, USA, pp. 1-6. ISBN 978-1-4244-2740-6 (print) 978-1-4244-2739-0 (online)
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Abstract
A numerical modelling method for the analysis of solder joint damage and crack propagation has been described in this paper. The method is based on the disturbed state concept. Under cyclic thermal-mechanical loading conditions, the level of damage that occurs in solder joints is assumed to be a simple monotonic scalar function of the accumulated equivalent plastic strain. The increase of damage leads to crack initiation and propagation. By tracking the evolution of the damage level in solder joints, crack propagation path and rate can be simulated using Finite Element Analysis method. The discussions are focused on issues in the implementation of the method. The technique of speeding up the simulation and the mesh dependency issues are analysed. As an example of the application of this method, crack propagation in solder joints of power electronics modules under cyclic thermal-mechanical loading conditions has been analyzed and the predicted cracked area size after 3000 loading cycles is consistent with experimental results.
| Item Type: | Book Section |
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| Additional Information: | This paper forms part of the Proceedings of the International Conference on Electronic Packaging Technology & High Density Packaging, 2008 (ICEPT-HDP 2008), held 28-31 July 2008 in Shanghai, China. ©2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. |
| Uncontrolled Keywords: | computer simulation, power electronics module, solder joint, crack propagation, Finite Element Analysis |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering Q Science > QA Mathematics > QA75 Electronic computers. Computer science |
| School / Department / Research Groups: | School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis School of Computing & Mathematical Sciences School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Computational Mechanics & Reliability Group School of Computing & Mathematical Sciences > Department of Computer Systems Technology School of Computing & Mathematical Sciences > Department of Mathematical Sciences |
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| Last Modified: | 31 Mar 2011 18:20 |
| URI: | http://gala.gre.ac.uk/id/eprint/1253 |
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