Thermal fatigue of solder joints is critical to the performance and reliability of electronic components. It is well known that the fatigue life of solder joints is rather difficult to be estimated because of the complicated material behaviors and solder joint geometry. Conventional life prediction methods such as Coffin-Manson equation or its modifications usually over-estimate the thermal fatigue life. The main reason for this phenomenon is that the material properties are assumed constant during thermal cycling. In this paper, a damage evolution model is introduced for predicting the thermal fatigue life of solder joints. This method not only considers the degradation of material properties in the solder, but also saves substantial computational effort. In the present study, a damage function is determined by the hysteresis loops of creep shear stress-strain of solder joints in a double-beam specimen. The proposed model is then applied to investigate the solder joint reliability of a 272 PBGA package and a bottom-leaded plastic (BLP) package for model verification. The results from the present analysis seem to be encouraging. [S1043-7398(00)01003-3]
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September 2000
Technical Papers
A Damage Evolution Model for Thermal Fatigue Analysis of Solder Joints
Xiaowu Zhang,
Xiaowu Zhang
APDS Department, Institute of Microelectronics, Singapore Science Park II, Singapore 117685
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S-W. Ricky Lee, Mem. ASME,,
S-W. Ricky Lee, Mem. ASME,
Department of Mechanical Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
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Yi-Hsin Pao, Mem. ASME,
Yi-Hsin Pao, Mem. ASME,
Materials Engineering Department, Visteon Automotive Systems, Dearborn, MI 48121-6231
Search for other works by this author on:
Xiaowu Zhang
APDS Department, Institute of Microelectronics, Singapore Science Park II, Singapore 117685
S-W. Ricky Lee, Mem. ASME,
Department of Mechanical Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
Yi-Hsin Pao, Mem. ASME,
Materials Engineering Department, Visteon Automotive Systems, Dearborn, MI 48121-6231
Contributed by the Electrical and Electronic Packaging Division for publication in the JOURNAL OF ELECTRONIC PACKAGING. Manuscript received by the EEPD January 15, 1999; revised manuscript received October 31, 1999. Associate Technical Editor: S. M. Heinrich.
J. Electron. Packag. Sep 2000, 122(3): 200-206 (7 pages)
Published Online: October 31, 1999
Article history
Received:
January 15, 1999
Revised:
October 31, 1999
Citation
Zhang, X., Lee, S. R., and Pao, Y. (October 31, 1999). "A Damage Evolution Model for Thermal Fatigue Analysis of Solder Joints ." ASME. J. Electron. Packag. September 2000; 122(3): 200–206. https://doi.org/10.1115/1.1286121
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