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http://dx.doi.org/10.4191/KCERS.2008.45.4.238

Stress Analysis for Fiber Reinforced Composites under Indentation Contact Loading  

Jang, Kyung-Soon (School of Mechanical and Automotive Engineering, Kookmin University)
Kim, Tae-Woo (School of Mechanical and Automotive Engineering, Kookmin University)
Kim, Chul (School of Mechanical and Automotive Engineering, Kookmin University)
Woo, Sang-Kuk (Energy Materials Research Center, Korea Institute of Energy Research)
Lee, Kee-Sung (School of Mechanical and Automotive Engineering, Kookmin University)
Publication Information
Journal of the Korean Ceramic Society / v.45, no.4, 2008 , pp. 238-244 More about this Journal
Abstract
Modeling and FEM analysis on Boron Nitride and/or Pyrolytic Carbon coating layers on SiC fibers under indentation contact loadings are investigated. Especially this study attempts to model the mechanical behavior of the SiC fibers with and without coatings. Tyranno S grade and Tyranno LoxM grade of SiC are selected for fiber and Boron Nitride and/or Pyrolytic Carbon as coating material. The modeling is performed by SiC fiber without coating layer, which includs single(BN or PyC) and double(BN-PyC or PyC-BN) coating layer. And then the analysis is performed by changing a type of coating layer, a type of fiber and coating sequence. In this study, the concepts of modeling and analysis techniques for optimum design of BN and PyC coating process on SiC fiber are shown. Results show that stresses are reduced when indentation contact loading applies on the material having lower elastic modulus.
Keywords
FEM; Indentation; Fiber Reinforced Composites;
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