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Synthesis creep behavior of Sn63Pb37 under the applied stress and electric current

Authors
Journal
Microelectronics Reliability
0026-2714
Publisher
Elsevier
Publication Date
Volume
51
Issue
12
Identifiers
DOI: 10.1016/j.microrel.2011.07.029

Abstract

Abstract Synthesis creep test of Sn63Pb37 alloy was conducted under the combination of tensile stress and direct electric current. Results indicate that the steady-state creep strain rate of Sn63Pb37 alloy increases with increasing the electric current and changes more drastically at low stress level than that at high stress level. The stress exponent in power law decreases linearly with increasing the electric current, while the creep activation energy increases with the square of electric current. To illuminate the electromechanical interaction in creep behavior, a modified Arrhenius type model involving the current effect was proposed.

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