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Crack initiation and growth in solder joints under cyclic shear deformation using piezomechanical actuation

Record type: Article

Crack initiation and growth behavior in solder joints under cyclic shear deformation using piezomechanical actuation have been investigated. Experiments were conducted on specimens that consist of piezo–ceramic plates and eutectic Sn–Pb solder bonded in a double-lap shear configuration. Specimens were tested under various frequencies and ranges of applied electric field at room temperature, and a shear-lag model using elastic–perfectly plastic solder properties was developed to characterize the mechanical response of the solder joint. Nominal plastic shear strain ranges from 0.182% to 2.69% were considered. The applied shear strains measured using digital image correlation showed agreement with shear strains from analyses. The Coffin–Manson relationship was used to characterize crack initiation, and a power law was employed for crack growth. This work shows that the fatigue characteristics of solder joints using piezomechanical actuation exhibit reasonable agreement with those using other types of testing methods and provides the framework for a new accelerated testing methodology for solder joint reliability.

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Citation

Shim, D-J, Spearing, S.M. and Yang, Q. (2007) Crack initiation and growth in solder joints under cyclic shear deformation using piezomechanical actuation Journal of Engineering Materials and Technology, 129, (1), pp. 19-28. (doi:10.1115/1.2400257).

More information

Published date: January 2007
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 48551
URI: http://eprints.soton.ac.uk/id/eprint/48551
ISSN: 0094-4289
PURE UUID: 8ec7ab54-07c7-4063-85eb-3e1cdd323561

Catalogue record

Date deposited: 27 Sep 2007
Last modified: 17 Jul 2017 14:59

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Contributors

Author: D-J Shim
Author: S.M. Spearing
Author: Q. Yang

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