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Long time ablation behaviors of designed ZrC-SiC-TiC ternary coatings for environments above 2000 degrees C
Pan, XH; Niu, YR; Xu, XT; Zhong, X; Shi, MH; Zheng, XB; Ding, CX
2020-07-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
SubtypeArticle
AbstractThermal protection systems with long time anti-ablation property for applications in ultrahigh temperature environments have been a choke point for the development of hypersonic vehicles. In the present work, new ZrC-SiC-TiC ternary composite coatings were designed and fabricated by vacuum plasma spray. The ablation behaviors of the ternary coatings were evaluated by a plasma flame with temperatures about 2200-2500 degrees C and compared with the ZrC-SiC and ZrC-TiC composite coatings. The characteristics of phases, element distributions and microstructure of the oxidized layers were observed in detail. The results showed that the anti-ablation resistant property of the ternary coatings was much better than those of the ZrC-SiC and ZrC-TiC composite coatings. The oxidation products, like high viscous SiO2 and high thermo stable TiO2, played a mutual promoted role in modifying the oxide layers, which contributing a lot to the improved ablation resistance. The ablation mechanisms of the ZrC-SiC-TiC ternary coatings were analyzed based on microstructure observations and thermodynamic analysis.
DOI10.1016/j.corsci.2020.108645
WOS KeywordCARBON/CARBON COMPOSITES ; ZIRCONIUM CARBIDE ; RESISTANCE ; OXIDATION ; MICROSTRUCTURE ; PROTECTION ; MECHANISM ; CERAMICS
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27944
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Pan, XH,Niu, YR,Xu, XT,et al. Long time ablation behaviors of designed ZrC-SiC-TiC ternary coatings for environments above 2000 degrees C[J]. CORROSION SCIENCE,2020.
APA Pan, XH.,Niu, YR.,Xu, XT.,Zhong, X.,Shi, MH.,...&Ding, CX.(2020).Long time ablation behaviors of designed ZrC-SiC-TiC ternary coatings for environments above 2000 degrees C.CORROSION SCIENCE.
MLA Pan, XH,et al."Long time ablation behaviors of designed ZrC-SiC-TiC ternary coatings for environments above 2000 degrees C".CORROSION SCIENCE (2020).
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