TEM study on the microstructure of the interface at the scale of nanometer formed between Cu-8 wt.% Ti melt and C/C preform

doi:10.1016/j.matchemphys.2020.122795

IMR OpenIR

	TEM study on the microstructure of the interface at the scale of nanometer formed between Cu-8 wt.% Ti melt and C/C preform
	Zhang, K. X.1,2; Guo, X. S.3; Zhao, W. K.4; Zhang, F. Q.4; He, L. L.2
通讯作者	He, L. L.(llhe@imr.ac.cn)
	2020-05-01
发表期刊	MATERIALS CHEMISTRY AND PHYSICS
ISSN	0254-0584
卷号	246 页码:8
摘要	Carbon/copper composites have been widely used in a variety of fields, for example electrical contact devices by taking advantages of both carbon and Cu simultaneously. However, the interfacial reaction and microstructure of these composites are not well known yet in the nanometer scale, especially involving the interaction between active alloy melt and carbon, which remains an important question in composites technology. In this study, we employ transmission electron microscopy (TEM) to investigate the interfacial microstructures, which are formed in the course of infiltration of carbon/carbon (C/C) composites preform by molten Cu-8 wt.% Ti at 1373 K. The results show that in the short-cut fiber web zone, there are two types of interfaces: (i) the mixture of fine-grained (FG) TiC and nano-sized Cu particles and (ii) a "Cu layer" with a thickness of no more than 500 nm at the pyrolytic carbon (PyC)/coarse-grained (CG) TiC interface. The main bonding mechanisms for the two interfaces are the formation of PyC/TiC and PyC/Cu2O interfaces, and the PyC/Cu2O interface, respectively. In the non-woven cloth zone, only Cu2O layer is found between Cu and PyC without any TiC layer due to the depletion of Ti.
关键词	Metal matrix composites C/C preform Reactive melt infiltration Interfacial microstructure
资助者	National Basic Research Program of China (973 Program)
DOI	10.1016/j.matchemphys.2020.122795
收录类别	SCI
语种	英语
资助项目	National Basic Research Program of China (973 Program)[2011CB605803]
WOS研究方向	Materials Science
WOS类目	Materials Science, Multidisciplinary
WOS记录号	WOS:000525781100045
出版者	ELSEVIER SCIENCE SA
引用统计	被引频次：7[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/321006/138274
专题	中国科学院金属研究所
通讯作者	He, L. L.
作者单位	1.Guilin Univ Elect Technol, Guangxi Collaborat Innovat Ctr Struct & Property, Sch Mat Sci & Engn, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 3.Pingxiang Univ, Engn & Technol Res Ctr Environm Protect Mat & Equ, Pingxiang 337055, Peoples R China 4.Cent South Univ, Sci & Technol High Strength Struct Mat Lab, Changsha 410083, Peoples R China
推荐引用方式 GB/T 7714	Zhang, K. X.,Guo, X. S.,Zhao, W. K.,et al. TEM study on the microstructure of the interface at the scale of nanometer formed between Cu-8 wt.% Ti melt and C/C preform[J]. MATERIALS CHEMISTRY AND PHYSICS,2020,246:8.
APA	Zhang, K. X.,Guo, X. S.,Zhao, W. K.,Zhang, F. Q.,&He, L. L..(2020).TEM study on the microstructure of the interface at the scale of nanometer formed between Cu-8 wt.% Ti melt and C/C preform.MATERIALS CHEMISTRY AND PHYSICS,246,8.
MLA	Zhang, K. X.,et al."TEM study on the microstructure of the interface at the scale of nanometer formed between Cu-8 wt.% Ti melt and C/C preform".MATERIALS CHEMISTRY AND PHYSICS 246(2020):8.