Resonant vibration behavior of Sn-Zn-Ag solder alloys

J. M. Song, Truan-Sheng Lui, G. F. Lan, L. H. Chen

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The effects of Ag content on the microstructure and the vibration deformation properties of a potential lead-free solder, Sn-9Zn-xAg (x=0.5-3.5wt.%), are examined in this study. Results show that Ag additions gave rise to microstructural changes in Sn-Zn eutectic alloys used, resulting in the appearance of proeutectic Sn-rich dendrites and Ag-Zn intermetallics (ε-AgZn3 and γ-Ag5Zn8) which replaced the Zn-rich phase. These microstructural changes strongly affect the vibration-deformed structure morphology and vibration properties. When the Ag content is higher than 1.5wt.%, the specimens possess high damping capacity and thus a long vibration life. This can be attributed to the proeutectic Sn dendrites improving the damping capacity and Ag-Zn intermetallics increasing vibration-fracture resistance.

Original languageEnglish
Pages (from-to)233-239
Number of pages7
JournalJournal of Alloys and Compounds
Volume379
Issue number1-2
DOIs
Publication statusPublished - 2004 Oct 6

Fingerprint

Dendrites (metallography)
Soldering alloys
Vibrations (mechanical)
Intermetallics
Damping
Eutectics
Fracture toughness
Microstructure
Lead-free solders

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Song, J. M. ; Lui, Truan-Sheng ; Lan, G. F. ; Chen, L. H. / Resonant vibration behavior of Sn-Zn-Ag solder alloys. In: Journal of Alloys and Compounds. 2004 ; Vol. 379, No. 1-2. pp. 233-239.
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Resonant vibration behavior of Sn-Zn-Ag solder alloys. / Song, J. M.; Lui, Truan-Sheng; Lan, G. F.; Chen, L. H.

In: Journal of Alloys and Compounds, Vol. 379, No. 1-2, 06.10.2004, p. 233-239.

Research output: Contribution to journalArticle

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AB - The effects of Ag content on the microstructure and the vibration deformation properties of a potential lead-free solder, Sn-9Zn-xAg (x=0.5-3.5wt.%), are examined in this study. Results show that Ag additions gave rise to microstructural changes in Sn-Zn eutectic alloys used, resulting in the appearance of proeutectic Sn-rich dendrites and Ag-Zn intermetallics (ε-AgZn3 and γ-Ag5Zn8) which replaced the Zn-rich phase. These microstructural changes strongly affect the vibration-deformed structure morphology and vibration properties. When the Ag content is higher than 1.5wt.%, the specimens possess high damping capacity and thus a long vibration life. This can be attributed to the proeutectic Sn dendrites improving the damping capacity and Ag-Zn intermetallics increasing vibration-fracture resistance.

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