Corrosion Behavior of Lu-Si-O System in Water Vapor
Source abstract
Abstract
采用溶胶-凝胶法制得三种镥硅酸盐体系粉体材料.以氧化物的摩尔比来表示此三种粉体,分别为：Lu2O3.SiO2、Lu2O3.2SiO2和Lu2O3.2.26SiO2.在1400℃、50%H2O-50%O2静态常压气氛下,研究了它们的耐水蒸气腐蚀性能.以单位面积重量变化率表征材料的耐水蒸气腐蚀性能,结合X射线衍射（XRD）、傅里叶红外光谱（FTIR）和扫描电镜能谱分析（SEM-EDS）等分析手段,揭示了镥硅酸盐体系在高温水蒸气环境中的腐蚀机制和反应机理.结果表明：三种原始粉体主要物相依次为：Lu2SiO5＋Lu2Si2O7、Lu2Si2O7＋SiO2和Lu2Si2O7＋SiO2.在水蒸气作用下,Lu2SiO5相与Al2O3反应生成新相Lu3Al5O12,而Lu2Si2O7相并未受到水蒸气的作用而发生任何反应,表现出优异的化学稳定性.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Nuclear materials and radiation effects · Semiconductor materials and devices
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (18)
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