Improved mechanical properties induced by In and In & Zn double additions to eutectic Sn58Bi alloy

Shiqi Zhou, Yu An Shen, Tiffani Uresti, Vasanth C. Shunmugasamy, Bilal Mansoor, Hiroshi Nishikawa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The effects of 0.5 wt% In as well as 0.5 wt% In and 1 wt% Zn double (In & Zn) additions to eutectic Sn58Bi alloy on the microstructure and mechanical properties were investigated. Newly designed In & Zn-added Sn58Bi alloy showed much finer microstructure than eutectic Sn58Bi and In-added Sn58Bi alloys. The elongation improvements of 36% and 41% before and after 1008 h aging were obtained in In & Zn-added Sn58Bi alloy compared to eutectic Sn58Bi alloy. Nanoindentation tests revealed that In had solid solution softening (SSS) effect on Sn phase. A hardness decrease and a large creep displacement obtained in both In- and In & Zn-added Sn58Bi served as evident of the SSS. The effects of Zn and In were combined responsible for the elongation improvement of In & Zn-added Sn58Bi.

Original languageEnglish
JournalJournal of Materials Science: Materials in Electronics
DOIs
Publication statusPublished - 1 Jan 2019

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eutectic alloys
Eutectics
mechanical properties
softening
Mechanical properties
elongation
solid solutions
microstructure
Elongation
nanoindentation
Solid solutions
eutectics
hardness
Microstructure
Nanoindentation
Creep
Aging of materials
Hardness

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Improved mechanical properties induced by In and In & Zn double additions to eutectic Sn58Bi alloy. / Zhou, Shiqi; Shen, Yu An; Uresti, Tiffani; Shunmugasamy, Vasanth C.; Mansoor, Bilal; Nishikawa, Hiroshi.

In: Journal of Materials Science: Materials in Electronics, 01.01.2019.

Research output: Contribution to journalArticle

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AU - Uresti, Tiffani

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AU - Mansoor, Bilal

AU - Nishikawa, Hiroshi

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