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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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ti3sic2氧化膜的抗循环氧化行为
Keywords: 钛碳化硅,循环氧化,声发射
Abstract:
？用循环氧化和用声发射技术研究了ti3sic2陶瓷材料氧化膜的抗剥落性和氧化膜的开裂行为。利用xrd和sem分析了表面成分和结构。结果表明，ti3sic2有良好的抗循环氧化性能。腐蚀产物分成明显的两层，外层成分为tio2，内层为tio2和sio2的混合物。内层有明显的贯穿性纵向裂纹。在声发射实验的恒温阶段没有观测到声信号，但在降温过程中出现了声信号，表明生长应力不会导致氧化膜破裂，而热应力导致氧化膜破裂。
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