Study on Characteristics of Sn-0.7wt%Cu-Xwt%Re Solder
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초록
In this study, the properties of Sn-0.7wt%Cu-Xwt%Re(X=0.01~1.0) solder were investi-gated by using DSC(differential scanning calorimetry), wetting balance, vickers hardness and tensile testers. The melting temperature of solder was increased with increasing the contents of rare earth element, and the melting temperature range of Sn-0.7Cu-(0.01~1.0)Re solder was 233.9~234.7oC. The wettability with Sn-0.7Cu-0.1Re solder was higher than that of Sn-0.7Cu-0.01Re and Sn-0.7Cu-1.0Re solders, and the wettability of Sn-0.7Cu-0.1Re solder was higher than that of Sn-0.7wt%Cu-0.01wt%P solder. Also, the hardness and tensile strength of solder were increased with increasing the contents of rare earth element.
Abstract
In this study, the properties of Sn-0.7wt%Cu-Xwt%Re(X=0.01~1.0) solder were investi-gated by using DSC(differential scanning calorimetry), wetting balance, vickers hardness and tensile testers. The melting temperature of solder was increased with increasing the contents of rare earth element, and the melting temperature range of Sn-0.7Cu-(0.01~1.0)Re solder was 233.9~234.7oC. The wettability with Sn-0.7Cu-0.1Re solder was higher than that of Sn-0.7Cu-0.01Re and Sn-0.7Cu-1.0Re solders, and the wettability of Sn-0.7Cu-0.1Re solder was higher than that of Sn-0.7wt%Cu-0.01wt%P solder. Also, the hardness and tensile strength of solder were increased with increasing the contents of rare earth element.