Effect of particle size on anti-oxidation property of mullite coating prepared by pulse arc discharge deposition

Huang Jianfeng, Zhang Bo, Ou Yang Haibo, Cao Liyun, Li Cuiyan, Fei Jie, Li Hejun

Research output: Contribution to journalArticlepeer-review

Abstract

Mullite coatings with different particle sizes were prepared on carbon/carbon (C/C)-SiC composites surface by pulse arc discharge deposition (PADD). Phase compositions and microstructures of the as-prepared mullite coatings were characterized by XRD and SEM. The influence of particle size on the microstructures and oxidation resistance of the as-coated samples were investigated. Results indicate that the dense and homogeneous mullite coating was achieved when the size of mullite powder is about 1 μm, which could effectively protect C/C composites from oxidation at 1773 K in air for 156 h with a mass loss of 1.98%.

Original languageEnglish
Pages (from-to)103744-103751
Number of pages8
JournalRSC Advances
Volume5
Issue number125
DOIs
StatePublished - 30 Nov 2015

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