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Effect of heating-cooling rates on microstructure evolution of ZrB2-based coatings during oxidation
Li, Chong; Niu, Yaran; Zhong, Xin; Liu, Tao; Pan, Xiaohui; Shi, Minhao; Zheng, Xuebin; Ding, Chuanxian
2019-12-01
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
ISSN0955-2219
Volume39Issue:15Pages:4565
SubtypeArticle
AbstractIn this work, the influence of heating-cooling rates on the microstructure of ultra-high temperature ceramics (UHTCs) during oxidation was firstly reported. Four different kinds of processes (low-heating and low-cooling rates, low-heating and high-cooling rates, high-heating and low-cooling rates, high-heating and high-cooling rates) combined with static oxidation at 1500 degrees C were applied on ZrB2-SiC-WB composite coatings. The results showed that the oxide layers of the samples presented different microstructure characters under different heating-cooling modes. A relatively thick liquid layer with obvious bubble phenomenon was generated under the high-heating rate, while a thin liquid layer without bubbles was formed under the low-heating rate. Certain amount of sheet B2O3 crystals with large sizes were formed under the high-cooling rate, while did not for the low-cooling rate. The formation mechanisms of these unique microstructures were analyzed and the influence of heating and cooling rates was explained.
KeywordZrB2-based composite coatings Heating-cooling rates Microstructure Oxidation
DOI10.1016/j.jeurceramsoc.2019.07.015
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26704
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Li, Chong,Niu, Yaran,Zhong, Xin,et al. Effect of heating-cooling rates on microstructure evolution of ZrB2-based coatings during oxidation[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2019,39(15):4565.
APA Li, Chong.,Niu, Yaran.,Zhong, Xin.,Liu, Tao.,Pan, Xiaohui.,...&Ding, Chuanxian.(2019).Effect of heating-cooling rates on microstructure evolution of ZrB2-based coatings during oxidation.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,39(15),4565.
MLA Li, Chong,et al."Effect of heating-cooling rates on microstructure evolution of ZrB2-based coatings during oxidation".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 39.15(2019):4565.
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