Comparative research on cyclic ablation behavior of C/C-ZrC-SiC and C/ C-ZrC composites at temperatures above 2000?C

作     者：Zhao, Zhigang Li, Kezhi Kou, Gang Li, Wei 

作者机构：Northwestern Polytech Univ Carbon Carbon Composites Res Ctr Xian 710072 Peoples R China Xian Aeronaut Univ Sch Mat Engn Xian 710077 Peoples R China 

出 版 物：《CORROSION SCIENCE》 (腐蚀科学)

年 卷 期：2022年第206卷

核心收录：

学科分类：080503[工学-材料加工工程] 0806[工学-冶金工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：Innovation Center of Nuclear Materials for National Defense Industry [ICNM- 2021-ZH-12] 

主　　题：Carbon carbon composites C C-ZrC-SiC composites Reactive melt infiltration Ultrahigh temperature Cyclic ablation 

摘      要：The cyclic and single ablation behavior of C/C-ZrC-SiC and C/C-ZrC composites prepared by reactive melt infiltration were studied. The ablation resistance properties of cyclic ablation of 30 s x 4 and single ablation of 120 s was similar to that of 60 s x 4 and 240 s. The oxidation of the matrix and the peeling content of oxides are aggravated with the increased cyclic ablation numbers. Under the cyclic ablation mode, C/C-ZrC-SiC composites showed lower mass loss than C/C-ZrC composites. At the single ablation of 240 s, C/C-ZrC-SiC composites showed desirable ablation resistance owing to the formation of an effective heat/oxygen protection layer on the ablated surface.