Microstructure and properties of bulk Ta2AlC ceramic synthesized by an in situ reaction/hot pressing method

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	Microstructure and properties of bulk Ta2AlC ceramic synthesized by an in situ reaction/hot pressing method
	C. F. Hu; L. F. He; J. Zhang; Y. W. Bao; J. Y. Wang; M. S. Li; Y. C. Zhou
	2008
发表期刊	Journal of the European Ceramic Society
ISSN	0955-2219
卷号	28 期号:8 页码:1679-1685
摘要	Dense bulk Ta2AlC ceramic was synthesized by an in situ reaction/hot pressing method using Ta, Al, and C as initial materials. The average grain size of TaAlC is 15 mu m in length and 3 mu m in width. The physical and mechanical properties were investigated. Ta2AlC is a good electrical and thermal conductor. The flexural strength and fracture toughness of Ta2AlC were measured to be 360 MPa and 7.7 MPa m(1/2), respectively. The typical layered grains contribute to the damage tolerance of this ceramic. After indentation up to 200 N at the tensile surface of the beam specimens, no obvious decrease of the residual flexural strength was observed. Even at above 1200 degrees C, Ta2AlC still retains a high Young's modulus and shows excellent thermal shock resistance, which renders it a promising high-temperature structural material. (c) 2007 Elsevier Ltd. All rights reserved.
部门归属	[hu, chunfeng; he, lingfeng; zhang, jie; bao, yiwang; wang, jingyang; li, meishuan; zhou, yanchun] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [hu, chunfeng; he, lingfeng; zhang, jie] chinese acad sci, grad sch, beijing 100039, peoples r china.;zhou, yc (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china;yczhou@imr.ac.cn
关键词	Ta2alc Hot Pressing Electrical Conductivity Thermal Conductivity Mechanical Properties Liquid Reaction Synthesis Thermal-shock Behavior Contact Damage Kink Bands Ti3sic2 Ti3alc2 Composites Oxidation Ti2alc Air
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WOS记录号	WOS:000255673600016
引用统计	被引频次：60[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/321006/32813
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	C. F. Hu,L. F. He,J. Zhang,et al. Microstructure and properties of bulk Ta2AlC ceramic synthesized by an in situ reaction/hot pressing method[J]. Journal of the European Ceramic Society,2008,28(8):1679-1685.
APA	C. F. Hu.,L. F. He.,J. Zhang.,Y. W. Bao.,J. Y. Wang.,...&Y. C. Zhou.(2008).Microstructure and properties of bulk Ta2AlC ceramic synthesized by an in situ reaction/hot pressing method.Journal of the European Ceramic Society,28(8),1679-1685.
MLA	C. F. Hu,et al."Microstructure and properties of bulk Ta2AlC ceramic synthesized by an in situ reaction/hot pressing method".Journal of the European Ceramic Society 28.8(2008):1679-1685.