Ablation resistance of ZrB2-SiC/SiC coating prepared by pack cementation for graphite

被引：52
作者：
Wang, Peng [1 ]
Zhou, Shanbao [1 ]
Hu, Ping [1 ]
Chen, Guiqing [1 ]
Zhang, Xinghong [1 ]
Han, Wenbo [1 ]
机构：
[1] Harbin Inst Technol, Sci & Technol Adv Composites Special Environm Lab, Harbin 150001, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2016年 / 682卷
基金：
国家杰出青年科学基金; 中国国家自然科学基金;
关键词：
ZrB2-SiC; Coating; Ablation resistance; Pack cementation; COATED CARBON/CARBON COMPOSITES; OXIDATION RESISTANCE;
D O I：
10.1016/j.jallcom.2016.04.010
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
To improve the ablation resistance of graphite, ZrB2-SiC/SiC coating was prepared by pack cementation. Ablation resistance of the coating was investigated by oxyacetylene torch. After ablation for similar to 200 s, the linear and mass ablation rates of ZrB2-SiC/SiC coated graphite at center area were 4.647 mm/s and 1.216 mg/s, respectively. During ablation process, chemical erosion and particle denudation occurred at the same time were the main factors leading to ablation. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：203 / 207
页数：5
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