발간논문

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Vol.14, No.1, 20 ~ 31, 1976
Title
The Internal oxidation of Ag - Cd Alloys
이동녕 Dong Nyung Lee
Abstract
The effect of the addition of 0.1% of copper, antimony, aluminum and beryllium to Ag-9% Cd alloys on the internal oxidation of the alloys has been studied. The effect of the addition of copper on the penetration rate of oxidation front was negligible. The addition of antimony, aluminum and beryllium reduced the penetration rate. The cadmium oxide particles became coarser by the addition of copper or antimony, whereas beryllium or aluminum made the oxide particles finer. The number of the oxide particles decreased with increasing distance X from the surface as X^(-3). The interfacial energy between cadmium oxide and silver was calculated to be about 45 ergs/㎠ at 903℃. The aging effect of the oxide particles was negligible even at 903℃.
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