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TECHNICAL PAPERS

Thermomechanical Behavior of 96Sn-4Ag and Castin Alloy

[+] Author and Article Information
R. W. Neu, D. T. Scott, M. W. Woodmansee

The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405

J. Electron. Packag 123(3), 238-246 (Dec 12, 2000) (9 pages) doi:10.1115/1.1371232 History: Received December 12, 2000
Copyright © 2001 by ASME
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References

Lead-Free Solder Project, 1997, Final Report, Report 0401RE96, Project No. 170502-92031, Aug. 1997, National Center for Manufacturing Sciences, Ann Arbor, MI.
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Figures

Grahic Jump Location
Optical micrograph of 96Sn-4Ag
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Optical micrograph of Castin
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EDX element analysis of Castin
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Strain rate jump tests for 96Sn-4Ag. Symbols represent experimental data and the solid lines are the UCP model correlations for strain rates from 10−6 s−1 to 10−2 s−1.
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Strain rate jump tests for Castin. Symbols represent experimental data and the solid lines are the UCP model correlations for strain rates from 10−6 s−1 to 10−2 s−1.
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Isothermal cyclic response of 96Sn-4Ag at a strain rate of 10−3 s−1 showing (a) experimental data and (b) UCP model correlation
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Isothermal cyclic response of Castin at a strain rate of 10−3 s−1 showing (a) experimental data and (b) UCP model correlation
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Response of 96Sn-4Ag under total constraint thermomechanical cycling, in-phase thermomechanical cycling, and out-of-phase thermomechanical cycling between −55°C and 125°C conducted at a rate of 1°C/s showing the experimental data and the UCP model prediction
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Response of Castin under total constraint thermomechanical cycling, in-phase thermomechanical cycling, and out-of-phase thermomechanical cycling between −55°C and 125°C conducted at a rate of 1°C/s showing the experimental data and the UCP model prediction
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Steady-state kinetic response of 96Sn-4Ag where symbols represent experimental data obtained from the strain rate jump tests, solid lines represent the UCP model, and dashed lines represent the Norton equation
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Steady-state kinetic response of Castin where symbols represent experimental data obtained from the strain rate jump tests, solid lines represent the UCP model, and dashed lines represent the Norton equation
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Increase in surface roughness with thermal cycling between −55°C and 125°C

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