Effect of Yttrium Addition on Cyclic Oxidation Behavior of Co-10Cr-10Al Alloys at 1073K

Jun Wang; Xian Chao Xu; Yang Wang; Chu Wang; Fei Xie; Yu Qin Li; Chun Li Luo; Jun Huai Xiang; Hong Hua Zhang

doi:10.4028/www.scientific.net/AMR.1094.296

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1094Effect of Yttrium Addition on Cyclic Oxidation...

Effect of Yttrium Addition on Cyclic Oxidation Behavior of Co-10Cr-10Al Alloys at 1073K

Abstract:

The effect of rare earth element yttrium on cyclic oxidation behavior of Co-10Cr-10Al alloys in ambient atmosphere of 1 atm at 1073K was investigated. The results indicated that the addition of 0.05 at.% Y in the alloy enhanced the formation of protective oxide scales with compact smooth surface, and improved cyclic oxidation resistance of the alloy. On the contrary, the addition of 0.1-0.3 at.%Y greatly increased the oxidation rate of the alloy, with formation of a rapidly growing Co oxides layer with the porous and rough surface appearance.

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Periodical:

Advanced Materials Research (Volume 1094)

Pages:

296-299

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1094.296

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Online since:

March 2015

Authors:

Jun Wang, Xian Chao Xu, Yang Wang, Chu Wang, Fei Xie, Yu Qin Li, Chun Li Luo, Jun Huai Xiang, Hong Hua Zhang*

Keywords:

Co-10Cr-10Al, Cyclic Oxidation, High Temperature, Reactive-Element Effect

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