High temperature digital image correlation evaluation of in-situ failure   mechanism: An experimental framework with application to C/SiC   composites

doi:10.1016/j.msea.2016.04.021

CORC > 北京大学 > 工学院

	High temperature digital image correlation evaluation of in-situ failure mechanism: An experimental framework with application to C/SiC composites
	Mao, W. G. ; Chen, J. ; Si, M. S. ; Zhang, R. F. ; Ma, Q. S. ; Fang, D. N. ; Chen, X.
刊名	MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
	2016
关键词	C/SiC composites Mechanical properties Digital image correlation High-temperature testing Brittle to ductile transition EDGE NOTCHED BEAM THERMAL BARRIER COATINGS SIC/SIC COMPOSITES Y2O3-ZRO2 COATINGS ACOUSTIC-EMISSION SHEAR-STRENGTH BEHAVIOR FRACTURE OXIDATION TESTS
DOI	10.1016/j.msea.2016.04.021
英文摘要	A high temperature digital image correlation (DIC) technique was developed, which was applied to study the in-situ fracture behavior of a carbon fibre reinforced silicon carbide matrix (C/SiC) composite. The displacement distribution and cracking information of the C/SiC single edge notched beam specimen can be monitored real-time, thanks to the improved DIC technique with special speckle patterns that can reach up to 1600 degrees C. The results showed that the brittle to ductile transition temperature of C/SiC composites is about 1300 degrees C. The new failure mechanisms of C/SiC composites at different experimental temperatures were further verified with the aid of X-ray diffraction and scanning electron microscope (SEM) techniques. In addition, the relationships between the fracture toughness, first-crack strength of C/SiC composites and environmental temperature were deduced. The proposed experimental method and testing results may shed some light on assessing the reliability and durability of C/SiC composites at high temperatures. (C) 2016 Elsevier B.V. All rights reserved.; National Natural Science Foundation of China [11102177, 11272276, 11572277]; Hunan Provincial Natural Science Foundation of China [14JJ1020]; National Key Scientific Instrument and Equipment Development Project [2012YQ030075]; NSFC [11172231, 11372241]; ARPA-E [DE-AR0000396]; AFOSR [FA9550-12-1-0159]; SCI(E); EI; ARTICLE; ssamao@126.com; nudtmqs1975@163.com; 26-34; 665
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/437247]
专题	工学院
推荐引用方式 GB/T 7714	Mao, W. G.,Chen, J.,Si, M. S.,et al. High temperature digital image correlation evaluation of in-situ failure mechanism: An experimental framework with application to C/SiC composites[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2016.
APA	Mao, W. G..,Chen, J..,Si, M. S..,Zhang, R. F..,Ma, Q. S..,...&Chen, X..(2016).High temperature digital image correlation evaluation of in-situ failure mechanism: An experimental framework with application to C/SiC composites.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING.
MLA	Mao, W. G.,et al."High temperature digital image correlation evaluation of in-situ failure mechanism: An experimental framework with application to C/SiC composites".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING (2016).