Ridout, Stephen, Dusek, Milos, Bailey, Chris ORCID: 0000-0002-9438-3879 and Hunt, Chris (2004) Finite element modelling of crack detection tests. In: Proceedings of the 5th International Conference on Thermal and Mechanical Simulation and Experiments in Microelectronics and Microsystems EuroSimE 2004. Institute of Electrical and Electronics Engineers, Inc., Piscataway, NJ, USA, pp. 141-146. ISBN 0780384202 (doi:https://doi.org/10.1109/ESIME.2004.1304033)

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Abstract

Four non-destructive tests for determining the length of fatigue cracks within the solder joints of a 2512 surface mount resistor are investigated. The sensitivity of the tests is obtained using finite element analysis with some experimental validation. Three of the tests are mechanically based and one is thermally based. The mechanical tests all operate by applying different loads to the PCB and monitoring the strain response at the top of the resistor. The thermal test operates by applying a heat source underneath the PCB, and monitoring the temperature response at the top of the resistor. From the modelling work done, two of these tests have shown to be sensitive to cracks. Some experimental results are presented but further work is required to fully validate the simulation results.

Item Type:	Conference Proceedings
Title of Proceedings:	Proceedings of the 5th International Conference on Thermal and Mechanical Simulation and Experiments in Microelectronics and Microsystems EuroSimE 2004
Additional Information:	[1] This paper was originally presented at the 5th International Conference on Thermal and Mechanical Simulation and Experiments in Microelectronics and Microsystems (EuroSimE 2004) held from 10-12 May 2004 in Brussels, Belgium. [2] This paper was published within Chapter 6, Experimental and Numerical Interaction. [3] ISBN: 0780384202 (book); 0780384210 (CD-Rom).
Uncontrolled Keywords:	crack detection, finite element analysis, mechanical testing printed circuit testing, resistors, sensitivity analysis, strain measurement, thermal stress cracking
Pre-2014 Departments:	School of Computing & Mathematical Sciences School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis 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 Publisher Organisation
Last Modified:	13 Mar 2019 11:31
URI:	http://gala.gre.ac.uk/id/eprint/774

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