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Nano ZrO_(2) Particulate-reinforced Lead-Free Solder Composite 被引量:1
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作者 Jun SHEN Yongchang LIU Dongjiang WANG Houxiu GAO 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2006年第4期529-532,共4页
A lead-free solder composite was prepared by adding ZrO2 nanopowders in eutectic Sn-Ag alloy. Microstrucrural features and microhardness properties of those solders with different ZrO2 nanopowder fraction were examine... A lead-free solder composite was prepared by adding ZrO2 nanopowders in eutectic Sn-Ag alloy. Microstrucrural features and microhardness properties of those solders with different ZrO2 nanopowder fraction were examined. Results indicate that the addition of ZrO2 nanopowders reduced the size of β-Sn grains and restrained the formation of bulk Ag3Sn intermetallic compounds (IMCs) due to the adsorption effect of the ZrO2 particles. The Vicker's hardness of the obtained lead-free solder composites fits well with the HalI-Petch relationship. The refinement of β-Sn grains favors to improve the microhardness of composite solders. 展开更多
关键词 zro2 nanopowders Microstructure Composite solder MICROHARDNESS
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