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	Fabrication and mechanical properties of fibrous silicon nitride monolithic ceramics
	Guo, H ; Yoon, DH ; Shin, DW
	2010-05-10 ; 2010-05-10
关键词	fibrous Si3N4 fracture toughness SiC whisker grain orientation. OXIDATION BEHAVIOR SYSTEM Materials Science, Ceramics
中文摘要	Fibrous Si3N4 monolithic ceramics with a hexagonal cell (Si3N4 fiber) and diameters in the range of 0.1-0.5 mm were processed using a composite fabrication method with a high preferred orientation by the tape casting of seeds of rodlike beta-Si3N4 single crystals. The densified Si3N4 fibrous monolith showed a fracture toughness of 17 MPa(.)m(1/2) and a three-point bend strength of 690 MPa. The application of reinforcement with SiC whiskers exhibited a fracture toughness (24 MPa(.)m(1/2)) and strength (705 MPa). Grain orientation, interface, and reinforcement played a deciding role in mechanical properties of these monolithic ceramics.
语种	英语 ; 英语
出版者	KOREAN ASSOC CRYSTAL GROWTH, INC ; SEOUL ; SUNGDONG POST OFFICE, P O BOX 27, SEOUL 133-600, SOUTH KOREA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/20380]
专题	清华大学
推荐引用方式 GB/T 7714	Guo, H,Yoon, DH,Shin, DW. Fabrication and mechanical properties of fibrous silicon nitride monolithic ceramics[J],2010, 2010.
APA	Guo, H,Yoon, DH,&Shin, DW.(2010).Fabrication and mechanical properties of fibrous silicon nitride monolithic ceramics..
MLA	Guo, H,et al."Fabrication and mechanical properties of fibrous silicon nitride monolithic ceramics".(2010).

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