Oxidation behaviour of a MoSiBTiC alloy coated by a (Si+B) co-deposition pack cementation method

Xi Nan, Shuntaro Ida, Nobuaki Sekido, Kyosuke Yoshimi, John H. Perepezko

研究成果: ジャーナルへの寄稿学術論文査読

1 被引用数 (Scopus)

抄録

A MoSiB based coating was applied to the 1st-generation MoSiBTiC alloy using pack cementation process. After conditioning at 1300 °C for 10 h in air, the coating developed into four layers: an oxide layer, a MoSi2 layer with Mo5Si3 and MoB precipitates, a Mo5Si3 layer, and a MoB+Mo5SiB2 (T2) layer. However, visible holes often formed in the coating due to defects, and the oxidation proceeded to the substrate during subsequent cyclic oxidation. In a controlled test on a MoSiBTiC alloy with lower TiC volume fraction, an intact coating formed after the conditioning at 1300 °C and provided an effective oxidation resistance.

本文言語英語
論文番号110990
ジャーナルCorrosion Science
214
DOI
出版ステータス出版済み - 2023 4月 15

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