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Mechanical and ablation properties of 2D-carbon/carbon composites pre-infiltrated with a SiC filler
S. F. Tang; J. Y. Deng; W. C. Liu; K. Yang
2006
发表期刊Carbon
ISSN0008-6223
卷号44期号:14页码:2877-2882
摘要In order to improve the mechanical and ablation properties of 2D-carbon/carbon composites, a SiC filler was added to a 2D-preform before isothermal chemical vapor infiltration densification by using a powder infiltration technique. Backscattered electron images showed that the SiC filler was mainly concentrated between the fiber bundles and between the layers. The tensile and flexural strengths of the composites were improved by the addition of the SiC filler because of the increase of interfacial surface areas between the bundles and between the layers, the less residual open porosity, and also the strong bonding between the SiC particles and the pyrocarbon matrix. The composites with filler experienced a 15.2% lower thickness erosion rate and a 51.7% lower mass erosion rate, compared to those C/C without filler. This was attributed to the low oxygen permeability of the SiO2 shielding the exterior inter-bundle pores as well as to a thermal barrier effect. (c) 2006 Elsevier Ltd. All rights reserved.
部门归属chinese acad sci, inst met res, shenyang 110016, peoples r china.;deng, jy (reprint author), chinese acad sci, inst met res, wenhua rd 72, shenyang 110016, peoples r china;jydeng@imr.ac.cn
关键词Carbon/carbon Composites Chemical Vapor Infiltration Scanning Electron Microscopy Mechanical Properties Ablation Carbon-carbon Composites Thermal-expansion Silicon-carbide Oxidation Behavior
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WOS记录号WOS:000241447500002
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被引频次:94[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/34484
专题中国科学院金属研究所
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GB/T 7714
S. F. Tang,J. Y. Deng,W. C. Liu,et al. Mechanical and ablation properties of 2D-carbon/carbon composites pre-infiltrated with a SiC filler[J]. Carbon,2006,44(14):2877-2882.
APA S. F. Tang,J. Y. Deng,W. C. Liu,&K. Yang.(2006).Mechanical and ablation properties of 2D-carbon/carbon composites pre-infiltrated with a SiC filler.Carbon,44(14),2877-2882.
MLA S. F. Tang,et al."Mechanical and ablation properties of 2D-carbon/carbon composites pre-infiltrated with a SiC filler".Carbon 44.14(2006):2877-2882.
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