研究了Ti3SiC2三元层状陶瓷材料在900和1000 ℃下由Na2SO4盐膜引起的热腐蚀行为.用XRD及SEM分析了腐蚀产物膜的成分、结构和形貌等.实验表明,腐蚀膜由TiO2和SiO2混合组成;在结构上明显地分成两层.外层晶粒粗大且多孔,内层晶粒细小且致密.Ti3SiC2与熔融盐接触时遭受较严重的腐蚀.
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