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The effect of pyrocarbon deposition on the microstructure of graphitic foam
Q. Y. Lin; Z. H. Feng; T. Q. Li; Z. J. Hu; L. L. He; H. Q. Ye
2013
Source PublicationCarbon
ISSN0008-6223
Volume56Pages:18-26
AbstractMesophase-pitch-based graphitic foams (MPGFs) were derived. Pyrocarbon (PyC) has been deposited on the inner surface of some MPGFs. Microstructures in the ligaments and nodes of MPGF, morphology of PyC and the boundary between MPGF and PyC have been investigated by transmission electron microscopy and related techniques. In MPGF, straight and compact graphitic crystallites within the long and thin ligaments extend along the bubble walls, while graphite sheets within the nodes are more disordered and less compact with many defects. A PyC reinforcement uniformly covered the inner surface and filled microcracks between graphitic sheets, and was almost perfectly bonded to the MPGF substrate even at the nanoscale. On the vertical side of MPGF, whose surface is perpendicular to (0002) planes of graphite layers, some amorphous carbon was formed between MPGF and PyC on the boundary. On the parallel side with the surface parallel to (0002) planes, PyC combines with MPGF surface directly and closely without any amorphous carbon. (C) 2012 Elsevier Ltd. All rights reserved.
description.department[lin, qingyun ; he, lianlong ; ye, hengqiang] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [feng, zhihai ; li, tongqi ; hu, zijun] aerosp res inst mat & proc technol, natl key lab adv funct composite mat, beijing 100076, peoples r china. [feng, zhihai] cent s univ, state key lab powder met, changsha 410083, peoples r china. [lin, qingyun] chinese acad sci, grad sch, beijing 100049, peoples r china. ; he, ll (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; llhe@imr.ac.cn
KeywordHigh-thermal-conductivity High Compressive Strength Carbon Foams Mesophase-pitch Pressure Time
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71349
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Q. Y. Lin,Z. H. Feng,T. Q. Li,et al. The effect of pyrocarbon deposition on the microstructure of graphitic foam[J]. Carbon,2013,56:18-26.
APA Q. Y. Lin,Z. H. Feng,T. Q. Li,Z. J. Hu,L. L. He,&H. Q. Ye.(2013).The effect of pyrocarbon deposition on the microstructure of graphitic foam.Carbon,56,18-26.
MLA Q. Y. Lin,et al."The effect of pyrocarbon deposition on the microstructure of graphitic foam".Carbon 56(2013):18-26.
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