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Effects of surface temperature, flow velocity and ambient pressure on the oxidation of graphite at 1400-2000 degrees C in O-2
Z. H. Gao; J. J. Xu; Y. H. Qian; M. S. Li
2014
Source PublicationCorrosion Science
ISSN0010-938X
Volume78Pages:269-275
AbstractThe effects of surface temperature (1400-2000 degrees C), flow velocity gradient (130-600 s(-1)) and ambient pressure (5-101 kPa) on the oxidation behavior of graphite were studied in O-2. The weight loss rate between 1400 and 1800 degrees C is independent of the surface temperature but slightly decreases at 2000 degrees C. Besides, it displays quasi-parabolic increases with increasing the flow velocity gradient and the ambient pressure but levels off above the ambient pressure of 20 kPa. According to the theoretical analysis, the enhancement of the gas-phase CO-O-2 reaction has a joint reduction effect on the weight loss rate, (C) 2013 Elsevier Ltd. All rights reserved.
description.department[gao, zeng-hua ; xu, jing-jun ; qian, yu-hai ; li, mei-shuan] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; li, ms (reprint author), 72 wenhua rd, shenyang 110016, peoples r china. ; mshli@imr.ac.cn
KeywordWeight Loss Oxidation Kinetic Parameters Carbon/carbon Composites Ablation Resistance Artificial Graphite Carbon Composites Stagnation Flow Combustion-rate Air-flow Behavior Carbide Particle
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72352
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Z. H. Gao,J. J. Xu,Y. H. Qian,et al. Effects of surface temperature, flow velocity and ambient pressure on the oxidation of graphite at 1400-2000 degrees C in O-2[J]. Corrosion Science,2014,78:269-275.
APA Z. H. Gao,J. J. Xu,Y. H. Qian,&M. S. Li.(2014).Effects of surface temperature, flow velocity and ambient pressure on the oxidation of graphite at 1400-2000 degrees C in O-2.Corrosion Science,78,269-275.
MLA Z. H. Gao,et al."Effects of surface temperature, flow velocity and ambient pressure on the oxidation of graphite at 1400-2000 degrees C in O-2".Corrosion Science 78(2014):269-275.
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