Effect of temperature and strain rate on low-cycle fatigue life of Bi-Sn eutectic alloy

Takuma Sato, Yoshiharu Kariya, Kazuma Fukui, Hiroshi Matsuoka, Masafumi Yano

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this paper, we report on a study of the effects of temperature and strain rate on the low-cycle fatigue life of the Bi-Sn eutectic alloys. The fatigue life improves with increasing temperature and decreasing strain rate. This is the reverse of characteristics found in most metals. As temperature increases and strain rate decreases, grain boundary sliding becomes the dominant deformation mechanism and the fatigue ductility coefficient increases, resulting in an improvement of fatigue life. Within the parameters of this study, the dependence on temperature and strain rate can be expressed by Manson-Coffin's law modified using Z-parameters.

Original languageEnglish
Pages (from-to)293-299
Number of pages7
JournalJournal of Japan Institute of Electronics Packaging
Volume16
Issue number4
DOIs
Publication statusPublished - 2013

Fingerprint

Eutectics
Strain rate
Fatigue of materials
Temperature
Grain boundary sliding
Ductility
Metals

Keywords

  • Bi-Sn eutectic alloy
  • Deformation mechanism
  • Fatigue ductility coefficient
  • Grain boundary sliding
  • Low-cycle fatigue
  • Manson-coffin
  • Temperature effect

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Effect of temperature and strain rate on low-cycle fatigue life of Bi-Sn eutectic alloy. / Sato, Takuma; Kariya, Yoshiharu; Fukui, Kazuma; Matsuoka, Hiroshi; Yano, Masafumi.

In: Journal of Japan Institute of Electronics Packaging, Vol. 16, No. 4, 2013, p. 293-299.

Research output: Contribution to journalArticle

Sato, Takuma ; Kariya, Yoshiharu ; Fukui, Kazuma ; Matsuoka, Hiroshi ; Yano, Masafumi. / Effect of temperature and strain rate on low-cycle fatigue life of Bi-Sn eutectic alloy. In: Journal of Japan Institute of Electronics Packaging. 2013 ; Vol. 16, No. 4. pp. 293-299.
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