Development of a microwave sintered TiO2 reinforced Sn-0.7wt%Cu-0.05wt%Ni alloy

M. A.A. Mohd Salleh, S. D. McDonald, Y. Terada, H. Yasuda, Kazuhiro Nogita

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The use of reinforcing nano-size ceramic particulates is a promising method to improve the mechanical and thermal properties of lead-free solder materials. In addition, advanced fabrication processes routes such as microwave sintering powder metallurgy (PM) enhance properties in the fabrication of composite solders. To elucidate the mechanisms underlying the improvements in mechanical and thermal properties, Sn-Cu-Ni with TiO2 nano-composite additions, fabricated via a microwave sintering PM method, were investigated using state-of-the-art characterization techniques. Synchrotron micro-X-ray fluorescence (XRF) results detected trace Ti in the solder matrix. This was consistent with X-ray photoelectron spectroscopy (XPS) and high resolution transmission electron microscopy (HRTEM) results which indicated that nano crystals were within the Sn matrix. It is possible these nano crystal form due to the migration of Ti during the rapid high energy microwave heating. A hypothesis of improved thermal and mechanical properties of nano-composite solders is discussed based on the results and the microwave sintering PM route was discussed as a promising method for next generation lead-free solder processing.

Original languageEnglish
Pages (from-to)136-147
Number of pages12
JournalMaterials and Design
Volume82
DOIs
Publication statusPublished - Oct 5 2015

Fingerprint

Powder metallurgy
Soldering alloys
Sintering
Thermodynamic properties
Microwaves
Mechanical properties
Composite materials
Fabrication
Crystals
Microwave heating
High resolution transmission electron microscopy
Synchrotrons
X ray photoelectron spectroscopy
Fluorescence
X rays
Processing
Lead-free solders

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Mohd Salleh, M. A. A., McDonald, S. D., Terada, Y., Yasuda, H., & Nogita, K. (2015). Development of a microwave sintered TiO2 reinforced Sn-0.7wt%Cu-0.05wt%Ni alloy. Materials and Design, 82, 136-147. https://doi.org/10.1016/j.matdes.2015.05.077

Development of a microwave sintered TiO2 reinforced Sn-0.7wt%Cu-0.05wt%Ni alloy. / Mohd Salleh, M. A.A.; McDonald, S. D.; Terada, Y.; Yasuda, H.; Nogita, Kazuhiro.

In: Materials and Design, Vol. 82, 05.10.2015, p. 136-147.

Research output: Contribution to journalArticle

Mohd Salleh, MAA, McDonald, SD, Terada, Y, Yasuda, H & Nogita, K 2015, 'Development of a microwave sintered TiO2 reinforced Sn-0.7wt%Cu-0.05wt%Ni alloy', Materials and Design, vol. 82, pp. 136-147. https://doi.org/10.1016/j.matdes.2015.05.077
Mohd Salleh, M. A.A. ; McDonald, S. D. ; Terada, Y. ; Yasuda, H. ; Nogita, Kazuhiro. / Development of a microwave sintered TiO2 reinforced Sn-0.7wt%Cu-0.05wt%Ni alloy. In: Materials and Design. 2015 ; Vol. 82. pp. 136-147.
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