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The Effect of the Zn contents on Rapidly Solidified Ag-Zn Electric Contact Materials.  

Kim, Jong Kyu (Han Yang University)
Jang, Dae Jung (Han Yang University)
Ju, Kwang Il (Han Yang University)
Lee, Eun Ho (Han Yang University)
Um, Seung Yeul (Silvermine co.,ltd)
Nam, Tae Woon (Han Yang University)
Publication Information
Korean Journal of Metals and Materials / v.46, no.7, 2008 , pp. 443-448 More about this Journal
Abstract
Contact materials are used in many electrical devices. Ag-Cd alloy has been widely used in electrical part, because Ag-Cd alloy has a good wear resistance and stable contact resistance. But nowadays Ag-Cd alloy isn't being used because of environmental challenges. Currently new research is being done on ($Ag-SnO_2$ and $Ag-SnO_2-In_2O_3$) as an alternative solution to fix any remainly environmental challenges. However $In_2O_3$ is more expensive and Ag-Sn alloy has low wear resistance. According to our research data Zn has a similar physical and chemical property. In this work, so we changed and optimized the Zn oxide to over 4 and added Sn oxide ratio 0.5, 1.0, 1.5wt%. Conclusions from the data recorded from the experiment of $Ag-ZnO-SnO_2$ are as follows.
Keywords
contact material; internal oxidation; oxide particle; Ag-Zn; rapid solidification process;
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