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Mechanical Properties of Solderable Polymer Composites with Low- and High-Melting-Point Solder Mixed Filler

Authors
Ha, M.J.Kim, S.Cho, W.C.Kim, J.-M.Yim, B.-S.
Issue Date
Jan-2023
Publisher
Japan Institute of Metals (JIM)
Keywords
electrically conductive adhesive; high-melting-point solder; low-melting-point solder; mechanical property; polymeric composites
Citation
Materials Transactions, v.64, no.4, pp 939 - 942
Pages
4
Journal Title
Materials Transactions
Volume
64
Number
4
Start Page
939
End Page
942
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/73894
DOI
10.2320/matertrans.MT-M2022200
ISSN
1345-9678
1347-5320
Abstract
A solderable polymer composite (SPC) with a low-melting-point solder (LMPS)/high-melting-point solder (HMPS) mixed filler was formulated to solve the bonding property and reliability problems in an SPC system with an LMPS filler. In addition, the possibility of enhancing the mechanical bonding properties of SPC with LMPS/HMPS mixed fillers was investigated. Three types of SPCs (mixing ratios for LMPS and HMPS: 100:0, 50:50, and 0:100) were prepared, and two types of mechanical property investigations (i.e., ball shear and microhardness tests) were performed to measure the mechanical bonding properties of SPCs according to the LMPS/HMPS mixing ratios. The SPC with an LMPS/HMPS mixed filler exhibited enhanced mechanical bonding properties compared with the Sn-58Bi solder paste and SPC with LMPS or HMPS only due to the change in composition and subsequent microstructure transformation of the solder joint after adding HMPS. © 2023 Japan Institute of Metals (JIM). All rights reserved.
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공과대학 (기계공학부)
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