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Reaction Mechanism and Microstructure Development of Zr-Si Alloyed Melt-Infiltrated ZrC-Modified C/C Composite

Tong, Yonggang; Bai, Shuxin; Qin, Qing Hua; Ye, Yicong; Zhang, Hong


ZrC ceramic modified-C/C composite is prepared by a quick and low-cost reactive melt infiltration process with a Zr-Si8.8 alloy. Reaction kinetics and mechanism of pyrolytic carbon with the infiltrated Zr-Si8.8 alloy are investigated. A continuous ZrC layer is found to be formed around pyrolytic carbon due to the in situ reaction and its thickness parabolically increases with an increase in reaction time period. Zr concentration in the alloyed melts decreases due to the reaction between Zr and...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Journal of the American Ceramic Society
DOI: 10.1111/jace.13595


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