卢旭东,田素贵,王涛,朱德刚

• 1:沈阳理工大学装备工程学院
• 2:沈阳工业大学材料科学与工程学院

摘要(Abstract)：

采用磁控溅射方法在高Cr镍基单晶合金上沉积晶粒平均尺寸小于100 nm的Ni30Cr12Al0.3Y涂层,通过对镍基单晶合金及其Ni30Cr12Al0.3Y涂层在900℃的75%Na2SO4+25%K2SO4熔盐中的腐蚀动力学曲线测定及组织观察,研究了Ni30Cr12Al0.3Y涂层对高Cr镍基单晶合金热腐蚀行为的影响。结果表明,镍基单晶合金遭受了灾难性的热腐蚀,出现严重的内硫化和内氧化现象;而Ni30Cr12Al0.3Y涂层在热腐蚀过程中,仅涂层表面生成连续的Al2O3氧化膜,表现出优良的抗热腐蚀性能。

关键词(KeyWords)： 镍基单晶合金;磁控溅射;熔盐;热腐蚀

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(50571070);; 辽宁省教育厅资助项目(L2012063)

作者(Author): 卢旭东,田素贵,王涛,朱德刚

DOI: 10.13289/j.issn.1009-6264.2013.10.028

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