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SiO2-Al2O3-CaO-MgO-Na2O体系粘度建模及其在CMAS腐蚀中的关键作用研究
为解决热障涂层(TBCs)在高温CMAS(钙镁铝硅酸盐)腐蚀中因熔体粘度变化导致的渗透失效问题,研究人员采用CALPHAD方法建立了五元体系粘度模型,引入Q4和NaAlO2络合物描述SiO2聚合和铝钠协同效应,成功预测典型CMAS成分在腐蚀反应前后的粘度变化规律,为设计抗腐蚀 ...
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