Predicting the reliability of power electronic modules

Bailey, Christopher, Lu, Hua and Tilford, Tim (2007) Predicting the reliability of power electronic modules. In: ICEPT: 2007 8th International Conference On Electronics Packaging Technology, Proceedings. Institute of Electrical and Electronics Engineers, Inc., New York, pp. 809-813. ISBN 9781424413911

Abstract

This paper discusses the reliability of an IGBT power electronics module. This work is part of a major UK funded initiative into the design, packaging and reliability of power electronic modules. The predictive methodology combines numerical modeling techniques with experimentation and accelerated testing to identify failure modes and mechanisms for these type of power electronic module structures. The paper details results for solder joint failure substrate solder. Finite element method modeling techniques have been used to predict the stress and strain distribution within the module structures. Together with accelerated life testing, these results have provided a failure model for these joints which has been used to predict reliability of a rail traction application

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