Resonant Vibration Behavior of Lead-Free Solders

J. M. Song, Truan-Sheng Lui, L. H. Chen, D. Y. Tsai

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

This study investigated the resonant vibration-fatigue characteristics of some potential lead-free solders, including Sn-Zn, Sn-Ag Sn-Cu, and Sn-Bi alloys. Results show that, under a fixed vibration force, the damping capacity and vibration-fracture resistance of Sn-Cu and Sn-Ag eutectic alloys with an off-eutectic structure are higher than Sn-Pb and are also higher than Sn-Bi and Sn-Zn. This is closely related to the vibration-deformed structure and crack-propagation morphology associated with the microstructural features of the materials. Also, the striated deformation in the Sn-rich phase can be regarded as an effective mechanism in absorbing vibration energy. Moreover, microstructural modification of the Sn-Zn eutectic alloy can be achieved through Ag addition, and thus, the damping capacity and vibration-fracture resistance can be significantly improved.

Original languageEnglish
Pages (from-to)1501-1508
Number of pages8
JournalJournal of Electronic Materials
Volume32
Issue number12
DOIs
Publication statusPublished - 2003 Jan 2

Fingerprint

resonant vibration
solders
Eutectics
Vibrations (mechanical)
vibration
Fracture toughness
Damping
eutectic alloys
fracture strength
damping
Crack propagation
Fatigue of materials
crack propagation
eutectics
Lead-free solders

All Science Journal Classification (ASJC) codes

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

Cite this

Song, J. M. ; Lui, Truan-Sheng ; Chen, L. H. ; Tsai, D. Y. / Resonant Vibration Behavior of Lead-Free Solders. In: Journal of Electronic Materials. 2003 ; Vol. 32, No. 12. pp. 1501-1508.
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Resonant Vibration Behavior of Lead-Free Solders. / Song, J. M.; Lui, Truan-Sheng; Chen, L. H.; Tsai, D. Y.

In: Journal of Electronic Materials, Vol. 32, No. 12, 02.01.2003, p. 1501-1508.

Research output: Contribution to journalArticle

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AB - This study investigated the resonant vibration-fatigue characteristics of some potential lead-free solders, including Sn-Zn, Sn-Ag Sn-Cu, and Sn-Bi alloys. Results show that, under a fixed vibration force, the damping capacity and vibration-fracture resistance of Sn-Cu and Sn-Ag eutectic alloys with an off-eutectic structure are higher than Sn-Pb and are also higher than Sn-Bi and Sn-Zn. This is closely related to the vibration-deformed structure and crack-propagation morphology associated with the microstructural features of the materials. Also, the striated deformation in the Sn-rich phase can be regarded as an effective mechanism in absorbing vibration energy. Moreover, microstructural modification of the Sn-Zn eutectic alloy can be achieved through Ag addition, and thus, the damping capacity and vibration-fracture resistance can be significantly improved.

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