This paper describes the multiaxial creep-fatigue of Sn-8Zn-3Bi solder in proportional and non-proportional loadings. Push-pull and reversed torsion tests were carried in proportional test using fast-fast, slow-fast, fast-slow, slow-slow and strain-hold waves. Non-proportional tests were also carried out using box, step and circle strain waves. In proportional test, smallest creep-fatigue lives were observed in push-pull slow-fast test. Creep-fatigue lives in reversed torsion test were longer by a factor of 2 than those in push-pull test compared with the same strain wave. Non-proportional loading reduced the creep-fatigue life. Circle strain wave showed the smallest fatigue life in non-proportional loading. A non-proportional strain proposed by the authors correlated all the proportional and non-proportional fast-fast data within a factor of two scatter band.
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ASME 2005 International Mechanical Engineering Congress and Exposition
November 5–11, 2005
Orlando, Florida, USA
Conference Sponsors:
- Materials Division
ISBN:
0-7918-4234-7
PROCEEDINGS PAPER
Creep-Fatigue Strength of Sn-8Zn-3Bi Solder Under Multiaxial Loading
Yutaka Tsukada
Yutaka Tsukada
Kyocera SLC Technologies Corporation, Ltd.
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Takaei Yamamoto
Oita University
Takamoto Itoh
University of Fukui
Masao Sakane
Ritsumeikan University
Hiroshi Sasaki
University of Fukui
Kazuhiko Shuto
Oita University
Yutaka Tsukada
Kyocera SLC Technologies Corporation, Ltd.
Paper No:
IMECE2005-80585, pp. 277-284; 8 pages
Published Online:
February 5, 2008
Citation
Yamamoto, T, Itoh, T, Sakane, M, Sasaki, H, Shuto, K, & Tsukada, Y. "Creep-Fatigue Strength of Sn-8Zn-3Bi Solder Under Multiaxial Loading." Proceedings of the ASME 2005 International Mechanical Engineering Congress and Exposition. Materials. Orlando, Florida, USA. November 5–11, 2005. pp. 277-284. ASME. https://doi.org/10.1115/IMECE2005-80585
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