NDLI: Estimation of the thermal-mechanical fatigue behavior of Sn/Pb solder joints

Content Provider	IEEE Xplore Digital Library
Author	Xi-Shu Wang Shou-Wen Yu Kawagoishi, N.
Copyright Year	2000
Description	Author affiliation: Dept. of Solid Mech., Tsinghua Univ., Beijing, China (Xi-Shu Wang)
Abstract	The thermal-mechanical fatigue tests were carried out at the different temperatures, axial push pull loading and both coupling cases. So that investigate the fatigue stress and/or strain in surface of specimens for Sn/Pb solder joints. Moreover, the relationship between the thermal-mechanical cyclic stress and strain were discussed for estimation the fatigue stress/strain as well as fatigue crack growth rate. According to the results of the thermal-mechanical strain to be analyzed, the thermal-mechanical fatigue stress or strain can be nearly estimated by the experimental results. And the fatigue crack growth rate can also be expressed by the term /spl Delta//spl epsi//sub eqp.//sup n'/ l using the measured strain range under the disproportional loading of thermal-mechanical coupling. The results were compared with both 62Sn38Pb and 62Sn36Pb2Ag in different experimental data. On the other hand, experimentally obtained the either thermal, mechanical or both coupling fatigue crack growth rate can be evaluated based on the small crack growth law, for many electronic solder joints materials. It is possible that thermal-mechanical fatigue crack growth rate the solder joints or/and fatigue life easily and practically predicted based on the small crack growth law.
Starting Page	263
Ending Page	269
File Size	295660
Page Count	7
File Format	PDF
ISBN	0780359127
ISSN	10899870
DOI	10.1109/ITHERM.2000.866201
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-05-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Life estimation Fatigue Tin Thermal stresses Capacitive sensors Thermal loading Soldering Strain measurement Testing Temperature
Content Type	Text
Resource Type	Article

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