Cyclic oxidation resistance of Ce/Co modified aluminide coatings on nickel base superalloys
Cyclic oxidation resistance of Ce/Co modified aluminide coatings on nickel base superalloys
复制标题
镍基高温合金上 Ce/Co 改性铝化物涂层的抗循环氧化性能
DOI：
10.1016/j.corsci.2015.01.050
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发表时间：
2015-05
影响因子：
8.3
通讯作者：
Chungen Zhou
中科院分区：
文献类型：
--
作者：
Zongjie Liu;Xiongsheng Zhao;Hongmei Guo;Chungen Zhou
Ce/Co modified aluminide coatings with different CeO2content were prepared on nickel base superalloys by pack cementation method. The microstructure and cyclic oxidation behavior of the coatings were investigated. The results show that the Ce addition is beneficial to improving adhesion of oxide scales by forming the “oxide pegs” structure and reducing voids at the scale/coating interfaces. When the content of CeO2addition in the pack mixture is 2 wt.%, the Ce/Co modified aluminide coating has the highest content of Ce in the outer layer and exhibits the best cyclic oxidation resistance at 1323 K.
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