NDLI: Thermal shock behavior of two-dimensional C/SiC composites in controlled atmospheres

Content Provider	Springer Nature Link
Author	Mei, Hui Cheng, Laifei Zhang, Litong Luan, Xingang Fang, Peng Zhang, Jun
Copyright Year	2005
Abstract	The thermal shock behavior of a two-dimensional carbon fiber reinforced SiC matrix composite fabricated by chemical vapor infiltration technique was investigated using a quenched method. Damage to composites was assessed by fracture strength, real-time damage energy and SEM characterization. The results showed that: (1) 2D-C/SiC composites had an excellent thermal shock resistance in different atmospheres which were simulated for an aero-engine gas. After 50 quenches from 700 to 1200$^{∘}$C, the residual strength of the composite still retained 88.92% of the original strength in the wet oxygen atmosphere, and retained 98.90%, 96.46%, 95.82% in the argon, dry oxygen and water vapor atmosphere, respectively. (2) The real-time System of Damage Information Acquisition forecasted that the critical cycle number of thermal shock for 2D-C/SiC composite in the wet oxygen atmosphere was about 40 times, which was consistent with experimental statistical results. (3) Different atmospheres under the thermal shock affected mechanical properties of composites differently.
Starting Page	4261
Ending Page	4265
Page Count	5
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	40
Issue Number	16
e-ISSN	15734803
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2005-01-01
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polymer Sciences Materials Science Characterization and Evaluation Materials Mechanics Continuum Mechanics and Mechanics of Materials Crystallography
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

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