Failure mechanisms of interconnections in drop impact

S. K.W. Seah, E. H. Wong, Y. W. Mai, R. Rajoo, C. T. Lim

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

15 Citations (Scopus)

Abstract

This study performs experimental tracking of crack propagation (Stage II fatigue) in a single solder interconnection during drop impact. A high resolution, high-speed four-point resistance measurement system is used for tracking crack progression. Results indicate that most of the drop impact low-cycle fatigue life of the solder joint is spent in the crack initiation stage. Cross-sections and fractographs show that various mixes of intermetallic and bulk failure are possible within a single joint. Several failure mechanisms are suggested. Comparisons of failure modes are also made between drop impact, quasi-static loading and high-cycle fatigue. A thorough understanding of failure mechanisms is important for the development of failure criteria and life prediction models for drop impact.

Original languageEnglish
Title of host publicationProceedings - IEEE 56th Electronic Components and Technology Conference
Pages1484-1492
Number of pages9
DOIs
Publication statusPublished - 2006
Externally publishedYes
EventIEEE 56th Electronic Components and Technology Conference - San Diego, CA, United States
Duration: 30 May 20062 Jun 2006

Publication series

NameProceedings - Electronic Components and Technology Conference
Volume2006
ISSN (Print)0569-5503

Conference

ConferenceIEEE 56th Electronic Components and Technology Conference
Country/TerritoryUnited States
CitySan Diego, CA
Period30/05/062/06/06

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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