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A fatigue life model of BGA solder joints based on energy

  • Jiamin Liu
  • , Weiwei Hu
  • , Hao Chen
  • , Jiuxing Wang
  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, the BGA solder joint is considered as the object of study. A fatigue life prediction model based on energy conservation law is constructed by reasonable assumptions. Energy-based life prediction model can avoid the analysis of various complex damage mechanisms in fatigue process, and only use energy as a measure. The mechanical response of BGA solder joint under temperature cycling condition is studied by ANSYS finite element analysis software and the stress and strain characteristics of BGA solder joints are obtained. Combining with accelerated test, parameters of BGA solder joint life prediction model based on energy are deduced. According to the figure of data curve fitting, the rationality of the energy-based fatigue life prediction model of BGA solder joints is verified.

Original languageEnglish
Title of host publication2017 2nd International Conference on Reliability Systems Engineering, ICRSE 2017
EditorsDongming Fan, Jun Yang, Ziyao Wang, Tingdi Zhao
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538609187
DOIs
StatePublished - 8 Sep 2017
Event2nd International Conference on Reliability Systems Engineering, ICRSE 2017 - Huairou, Beijing, China
Duration: 10 Jul 201712 Jul 2017

Publication series

Name2017 2nd International Conference on Reliability Systems Engineering, ICRSE 2017

Conference

Conference2nd International Conference on Reliability Systems Engineering, ICRSE 2017
Country/TerritoryChina
CityHuairou, Beijing
Period10/07/1712/07/17

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • accelerated test
  • BGA solder joints
  • life prediction
  • simulation
  • thermal fatigue

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