The constitutive response of 63/37 Sn/Pb eutectic solder is studied under uniaxial tension. Stress-strain tests were performed under a wide range of applied strain rate, and creep tests were performed at several levels of applied load. Temperature dependence was ascertained by running the stress-strain and creep tests at various temperatures. With the goal of providing a constitutive description of the eutectic suitable for use in electronics packaging engineering finite element analyses, the material parameters of the phenomenological viscoplasticity model of Bodner and Partom were fit to these experiments as functions of temperature. The experiments described herein also yield important information concerning how many microstructural units must be present in a sample in order for repeatable, isotropic response to be obtained.
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January 1996
Technical Papers
On the Constitutive Response of 63/37 Sn/Pb Eutectic Solder
A. F. Skipor,
A. F. Skipor
Corporate Manufacturing Research Center, MOTOROLA, 1301 E. Algonquin Rd., Schaumburg, IL 60196
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S. V. Harren,
S. V. Harren
Dept. of Civil and Materials Engineering, The University of Illinois at Chicago, 842 W. Taylor St., Chicago, IL 60607
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J. Botsis
J. Botsis
Dept. of Civil and Materials Engineering, The University of Illinois at Chicago, 842 W. Taylor St., Chicago, IL 60607
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A. F. Skipor
Corporate Manufacturing Research Center, MOTOROLA, 1301 E. Algonquin Rd., Schaumburg, IL 60196
S. V. Harren
Dept. of Civil and Materials Engineering, The University of Illinois at Chicago, 842 W. Taylor St., Chicago, IL 60607
J. Botsis
Dept. of Civil and Materials Engineering, The University of Illinois at Chicago, 842 W. Taylor St., Chicago, IL 60607
J. Eng. Mater. Technol. Jan 1996, 118(1): 1-11 (11 pages)
Published Online: January 1, 1996
Article history
Received:
June 7, 1994
Revised:
November 25, 1994
Online:
November 27, 2007
Citation
Skipor, A. F., Harren, S. V., and Botsis, J. (January 1, 1996). "On the Constitutive Response of 63/37 Sn/Pb Eutectic Solder." ASME. J. Eng. Mater. Technol. January 1996; 118(1): 1–11. https://doi.org/10.1115/1.2805929
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