Strength-enhanced Sn–In low-temperature alloy with surface-modified ZrO₂ nanoparticle addition

Nitta, Shunya; Tatsumi, Hiroaki; Nishikawa, Hiroshi

Journal of Materials Science: Materials in Electronics, 2023, 34(31)

Number of Access:554（2025-08-14 03:54 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/93291

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Title
Strength-enhanced Sn–In low-temperature alloy with surface-modified ZrO₂ nanoparticle addition
Creator
CreatorName
Nitta, Shunya
NRID
1000000961757 1000000961757
ORCID
0000-0002-0561-3100 0000-0002-0561-3100
researchmap permalink
hiroaki_tatsumi hiroaki_tatsumi
Scopus Author ID
54914528200 54914528200
CreatorName
Tatsumi, Hiroaki
NRID
1000090346180 1000090346180
ORCID
0000-0002-4363-9520 0000-0002-4363-9520
researchmap permalink
read0191232 read0191232
Scopus Author ID
57219209494 57219209494
CreatorName
Nishikawa, Hiroshi
Description
The version of record of this article, first published in Journal of Materials Science: Materials in Electronics, is available online at Publisher’s website: https://doi.org/10.1007/s10854-023-11344-3
Abstract
Low-temperature packaging is essential for the widespread use of flexible electronic devices, and Sn–In eutectic alloys have attracted considerable attention because of their low melting temperatures. However, these alloys have a lower strength compared with other types of solder alloys. This study aimed to investigate the effect of adding nanoparticles on the mechanical strength of Sn–In eutectic alloys while keeping their melting temperature unchanged. ZrO₂ nanoparticles coated with NiO (NiO/ZrO₂ nanoparticles) were utilized to strengthen Sn–In eutectic alloys with a high dispersity. Sn–In composite alloys reinforced with NiO/ZrO₂ nanoparticles were fabricated, and tensile strength evaluation and microstructure observations were conducted. The experimental results showed that the addition of nanoparticles to the Sn–In eutectic alloys did not change their melting behavior. The tensile strength of the Sn–In composite alloys reinforced with NiO/ZrO₂ nanoparticles increased by up to 35.6%, which was attributed to grain refinement and dispersion strengthening. Even after thermal aging at 60 ºC, the Sn–In composite alloys reinforced with NiO/ZrO₂ nanoparticles showed a 1.11 times higher ultimate tensile strength than that of the non-aged, non-reinforced eutectic alloy, despite grain coarsening. This was attributed to the contribution of dispersion strengthening. These results indicate that the addition of NiO/ZrO₂ nanoparticles is an effective method to improve the strength of low-melting-temperature alloys.
Publisher
Springer
Source Title
Journal of Materials Science: Materials in Electronics
Volume (Issue)
34(31)
Date of Issued
2023-11-01
Language
English
Handle URL
https://hdl.handle.net/11094/93291
PISSN
09574522
eISSN
1573482X
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1007/s10854-023-11344-3
Access Rights
open access
CopyRight
This article is licensed under a Creative Commons Attribution 4.0 International License.
oaire:version
Version of Record
Category
学術雑誌論文 Journal Article