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Investigation of defects in a mesophase pitch-based graphite at the atomic scale
Rong Ju; Zhu Yuan-yuan; Fan Zhen; Feng Zhi-hai; He Lian-long; He, LL (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang National Lab Mat Sci, Shenyang 110016, Peoples R China.
2017-04-01
发表期刊NEW CARBON MATERIALS
ISSN1007-8827
卷号32期号:2页码:168-173
摘要A C/C composite as a thermal conducting material was prepared by the impregnation of unidirectional mesophase pitch based carbon fibers with mesophase pitch and graphitization at 3 000 degrees C. It was thinned to around 10 nm in the direction parallel to the fiber axis by cutting, grinding and ion beam bombardment. Results indicate that mesophase pitch is transformed into hexagonal graphite (HG). However, there is rhombohedral graphite (RG) tens of nanometer thick mingled with the HG. Defects include the glide and rotation structures and grain boundaries.; A C/C composite as a thermal conducting material was prepared by the impregnation of unidirectional mesophase pitch based carbon fibers with mesophase pitch and graphitization at 3 000 degrees C. It was thinned to around 10 nm in the direction parallel to the fiber axis by cutting, grinding and ion beam bombardment. Results indicate that mesophase pitch is transformed into hexagonal graphite (HG). However, there is rhombohedral graphite (RG) tens of nanometer thick mingled with the HG. Defects include the glide and rotation structures and grain boundaries.
部门归属[rong ju ; zhu yuan-yuan ; he lian-long] chinese acad sci, inst met res, shenyang national lab mat sci, shenyang 110016, peoples r china ; [rong ju] univ chinese acad sci, beijing 100049, peoples r china ; [fan zhen ; feng zhi-hai] aerosp res inst mat & proc technol, natl key lab adv funct composite mat, beijing 100076, peoples r china
关键词Mesophase Pitch Graphite Steak Line Rotational Defect Displacive Defect Incoherent Grain Boundary
学科领域Materials Science, Multidisciplinary
资助者National Program on Key Basic Research Project (973 Program) [2011CB605800]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78196
专题中国科学院金属研究所
通讯作者He, LL (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang National Lab Mat Sci, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Rong Ju,Zhu Yuan-yuan,Fan Zhen,et al. Investigation of defects in a mesophase pitch-based graphite at the atomic scale[J]. NEW CARBON MATERIALS,2017,32(2):168-173.
APA Rong Ju,Zhu Yuan-yuan,Fan Zhen,Feng Zhi-hai,He Lian-long,&He, LL .(2017).Investigation of defects in a mesophase pitch-based graphite at the atomic scale.NEW CARBON MATERIALS,32(2),168-173.
MLA Rong Ju,et al."Investigation of defects in a mesophase pitch-based graphite at the atomic scale".NEW CARBON MATERIALS 32.2(2017):168-173.
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