溅射Ni-16Co-26Cr-10Al纳米晶涂层的熔盐热腐蚀性能Hot corrosion resistance of a sputtered Ni-16Co-26Cr-10Al nanocrystalline coating in molten salts
孙俭锋,刘修超,周月波,王永东,陈洪玉
摘要(Abstract):
利用磁控溅射技术在铸造Ni-16Co-26Cr-10Al合金上溅射了相同成分的纳米晶涂层,并进行900℃热腐蚀实验,结果表明:溅射Ni-16Co-26Cr-10Al纳米晶涂层由于晶粒尺寸细小,促进了保护性氧化物形成元素Al沿原"短路扩散通道-晶界"向氧化前沿的扩散,从而促进了保护性Al2O3的快速形成,使得溅射Ni-16Co-26Cr-10Al纳米晶涂层表现出比M38合金更优异的抗热腐蚀性能。
关键词(KeyWords): 热腐蚀;镍基高温合金;磁控溅射
基金项目(Foundation): 黑龙江省教育厅科技项目(No.11531319);; 黑龙江科技学院引进人才项目(06-13)
作者(Author): 孙俭锋,刘修超,周月波,王永东,陈洪玉
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