Effect of Zn content on the vibration fracture behavior of Sn-Zn and Sn-Zn-Bi solders

Jenn Ming Song, Truan Sheng Lui, Yea Luen Chang, L. I.Hui Chen

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


This study investigated the microstructure and vibration properties of Sn-Zn and Sn-Zn-Bi alloys with different Zn contents. Experimental results show that the hypoeutectic Sn-Zn-Bi alloy (with a Zn content of 5 wt.%) has the poorest damping capacity and the lowest critical vibration cycles to failure due to a hardening effect by Bi and intergranular fracturing. On the other hand, since the Zn/Sn interfaces at which internal friction may occur during vibration contribute to the dissipation of vibration energy, the hypereutectic Sn-13Zn samples with numerous massive primary Zn needles possess superior damping capacity and vibration life under constant vibration force conditions.

Original languageEnglish
Pages (from-to)929-936
Number of pages8
JournalJournal of Electronic Materials
Issue number5
Publication statusPublished - 2006 May

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry


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