EQUILIBRIUM PHASE DIAGRAMS IN SYSTEM CuO-PbO-Ag |
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| Authors: | SHAO Zhongbao LIU Kuiren MENG Bo LI Ying YANG Yuqing LIU Huakun DOU Shixue |
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| Affiliation: | SHAO Zhongbao,LIU Kuiren,MENG Bo,LI Ying,YANG Yuqing(Department of Chemistry,Northeastern University,Shenyang,China) LIU Huakun,DOU Shixue(University of New South Wales,Kensington,Australia) |
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| Abstract: | Phase equilibrium in the ternary CuO-PbO-Ag system has been investigated using differential thermal analysis(DTA),thermogravimetry(TG),scanning electron microscopy(SEM) and X-ray diffraction(XRD) techniques.In the ternary CuO-PbO-Ag system,there is a eutectic reaction CuO+PbO+Ag=L at 750℃ and a composition of 12.04 mol.% Ag,16.35 mol.% CuO and 71.61 mol.% PbO.Two miscibility gaps near the two binary tie lines PbO-Ag and CuO-Ag were detected. No binary or ternary compound was detected in the ternary system.SEM and energy dispersive spectroscopy(EDS) confirm the presence of two liquid phases and the eutectic point. |
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| Keywords: | phase equilibrium CuO-PbO-Ag system phase diagram differential thermal analysis X-ray diffraction |
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