管秀荣,关英双,纪慧思,郑志,佟健,刘恩泽

• 1:沈阳理工大学环境与化学工程学院
• 2:中国科学院金属研究所

摘要(Abstract)：

采用涂盐方法研究了不同Cr含量镍基高温合金的热腐蚀过程,利用XRD确定腐蚀产物相结构和采用电子探针观察腐蚀层前沿元素分布情况。结果表明,在900℃涂盐条件下,随着Cr含量增加,合金的热腐蚀抗力逐渐增强。合金中加入Cr后,能促使合金表层形成致密、连续的Cr2O3层,并且随着Cr含量增加,Cr2O3层厚度增加,Al2O3层逐渐向外腐蚀层迁移,从而提高了合金的热腐蚀抗力。

关键词(KeyWords)： 高温合金;镍基;热腐蚀;Cr

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(50901077)

作者(Author): 管秀荣,关英双,纪慧思,郑志,佟健,刘恩泽

DOI: 10.13289/j.issn.1009-6264.2014.s1.012

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