Crossref journal-article
Springer Science and Business Media LLC
Journal of Materials Research (297)
Abstract

Single shear lap specimens were subjected to creep, isothermal aging, and thermomechanical fatigue (TMF). Scanning electron microscopy micrographs of previously polished specimens revealed changes in surface morphology. Orientation imaging microscopy was carried out on the same specimens to study the microstructural evolution and crystal orientation changes. As-fabricated joints consistently show a preferred crystal orientation with a few minority orientations with highly preferred misorientations. Alloy additions caused an increase in the number of statistically significant crystal orientations and misorientations. The solidification microstructure was unchanged due to room-temperature creep. Aging caused development and motion of well-defined subgrain boundaries and removal of most minority orientations. TMF causes heterogeneous refinement of the microstructure that accounts for the localized grain boundary sliding in regions of high strain concentration. This study implies that the lead-free solder joints are not polycrystals, but multicrystals, so that deformation is very heterogeneous and sensitive to strain and temperature history.

Bibliography

Telang, A. A., Bieler, T. T., Choi, S., & Subramanian, K. K. (2002). Orientation imaging studies of Sn-based electronic solder joints. Journal of Materials Research, 17(9), 2294–2306.

Authors 4
  1. A. A. Telang (first)
  2. T. T. Bieler (additional)
  3. S. Choi (additional)
  4. K. K. Subramanian (additional)
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Dates
Type When
Created 17 years, 5 months ago (March 5, 2008, 9:44 p.m.)
Deposited 4 years, 6 months ago (Feb. 24, 2021, 3:11 p.m.)
Indexed 1 week, 1 day ago (Aug. 19, 2025, 6:07 a.m.)
Issued 22 years, 11 months ago (Sept. 1, 2002)
Published 22 years, 11 months ago (Sept. 1, 2002)
Published Online 14 years, 6 months ago (Jan. 31, 2011)
Published Print 22 years, 11 months ago (Sept. 1, 2002)
Funders 0

None

@article{Telang_2002, title={Orientation imaging studies of Sn-based electronic solder joints}, volume={17}, ISSN={2044-5326}, url={http://dx.doi.org/10.1557/jmr.2002.0337}, DOI={10.1557/jmr.2002.0337}, number={9}, journal={Journal of Materials Research}, publisher={Springer Science and Business Media LLC}, author={Telang, A. A. and Bieler, T. T. and Choi, S. and Subramanian, K. K.}, year={2002}, month=sep, pages={2294–2306} }