NDLI: Numerical analysis on the influent factors of the interface stress of 63Sn37Pb under the temperature cycle condition

Content Provider	IEEE Xplore Digital Library
Author	Zhi Li Hai-Jun Jin Qiong Wu Hui-tao Dai Mei-rong Zhao
Copyright Year	2009
Description	Author affiliation: College of Mechanical and Material Engineering, China Three Gorges University, Yichang 443002, China (Mei-rong Zhao) \|\| China Yangtze Power Co., Ltd, Yichang, 443002, China (Hui-tao Dai) \|\| Mechanical and Electric Engineering Department, China Three Gorges Project Corporation, Yichang, 443002, China (Zhi Li; Hai-Jun Jin; Qiong Wu)
Abstract	To study the interface stress of 63Sn37Pb under the temperature cycle condition in the QFP package. Viscoplastic finite element model is established based on the Anand constitutive equation. These factors are discussed in this paper, and these influent factors of the interface stress are between 63Sn37Pb weld spot and backing. The results show that the loading rate have very large effect on the interface stress of the 63Sn37Pb weld spot. The greater the rate of temperature load, the greater the stress. The holding time have a certain effect on it, the longer the holding time and the higher the peak of SEQV. Also the cycle index with the increase of it, the interface stress is enlarged. But the influence to the interface stress is weakened with a gradual increase of the cycle index.
Starting Page	1230
Ending Page	1233
File Size	1239738
Page Count	4
File Format	PDF
ISBN	9781424449033
DOI	10.1109/ICRMS.2009.5270041
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-07-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature Electronic packaging thermal management Capacitive sensors Microelectronics 63Sn37Pb temperature cycles Finite element methods Stress Numerical analysis Lead QFP numerical simulation Electronics packaging Power engineering and energy
Content Type	Text
Resource Type	Article

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