Lu, Hua, Tilford, Tim, Bailey, Christopher and Newcombe, David (2007) Lifetime prediction for power electronics module substrate mount-down solder interconnect. HDP'07: Proceedings Of The 2007 International Symposium On High Density Packaging And Microsystem Integration. Institute of Electrical and Electronics Engineers, Inc., New York, pp. 40-45. ISBN 9781424412525 (doi:10.1109/HDP.2007.4283558)

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Abstract

A numerical modeling method for the prediction of the lifetime of solder joints of relatively large solder area under cyclic thermal-mechanical loading conditions has been developed. The method is based on the Miner's linear damage accumulation rule and the properties of the accumulated plastic strain in front of the crack in large area solder joint. The nonlinear distribution of the damage indicator in the solder joints have been taken into account. The method has been used to calculate the lifetime of the solder interconnect in a power module under mixed cyclic loading conditions found in railway traction control applications. The results show that the solder thickness is a parameter that has a strong influence on the damage and therefore the lifetime of the solder joint while the substrate width and the thickness of the baseplate are much less important for the lifetime

Item Type:	Book Section
Additional Information:	This paper forms part of the published proceedings from International Symposium on High Density Packaging and Microsystems Integration Shanghai, PEOPLES R CHINA, JUN 26-28, 2007
Uncontrolled Keywords:	solder joints, cyclic thermal-mechanical loading, Miner's linear damage accumulation, numerical modelling
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Pre-2014 Departments:	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
Related URLs:	Publisher Organisation Organisation Organisation
Last Modified:	14 Oct 2016 09:03
URI:	http://gala.gre.ac.uk/id/eprint/1121

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