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Effects of ZrB2 and SiC dual addition on the oxidation resistance of graphite at 1600-2000 degrees C
Z. H. Gao; J. J. Xu; Z. W. Zhang; Y. H. Qian; M. S. Li
2013
Source PublicationCorrosion Science
ISSN0010-938X
Volume76Pages:182-191
AbstractThe effects of ZrB2 and ZrB2 + SiC additions on the oxidation kinetics of graphite at 1600-2000 degrees C in air were investigated. The ZrB2 + SiC dual addition improves the oxidation resistance of graphite more effectively than the ZrB2 single addition, because the oxide scale formed on C-ZrB2-SiC is denser and thinner due to the existence of glassy SiO2. As the oxidation temperature increases, the oxidation rate of C-ZrB2-SiC gradually increases and oxide scales with layered microstructures form on its surface due to the greatly enhanced active oxidation of SiC at higher temperatures. (C) 2013 Elsevier Ltd. All rights reserved.
description.department[gao, zeng-hua ; xu, jing-jun ; qian, yu-hai ; li, mei-shuan] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. [zhang, zhong-wei] aerosp res inst mat & proc technol, beijing 100076, peoples r china. ; li, ms (reprint author), 72 wenhua rd, shenyang 110016, peoples r china. ; mshli@imr.ac.cn
KeywordWeight Loss Xrd Sem Oxidation Kinetic Parameters Thermodynamic Diagrams Diboride-silicon Carbide Carbon-carbon Composites Oxygen Partial-pressure Zirconium Diboride Ceramic Composites Oxide Scale Degrees-c Temperature Ablation Behavior
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71225
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Z. H. Gao,J. J. Xu,Z. W. Zhang,et al. Effects of ZrB2 and SiC dual addition on the oxidation resistance of graphite at 1600-2000 degrees C[J]. Corrosion Science,2013,76:182-191.
APA Z. H. Gao,J. J. Xu,Z. W. Zhang,Y. H. Qian,&M. S. Li.(2013).Effects of ZrB2 and SiC dual addition on the oxidation resistance of graphite at 1600-2000 degrees C.Corrosion Science,76,182-191.
MLA Z. H. Gao,et al."Effects of ZrB2 and SiC dual addition on the oxidation resistance of graphite at 1600-2000 degrees C".Corrosion Science 76(2013):182-191.
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