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http://dx.doi.org/10.4191/KCERS.2008.45.9.531

Fabrication of Carbon Fiber Reinforced Reaction Bonded SiC Composite Fabricated by a Molten Si Infiltration Method; I. The Effect of Carbon Fiber Coating Process  

Yun, Sung-Ho (Materials Science and Technology Research Division, Korea Institute of Science and Technology)
Tan, Phung Nhut (Materials Science and Technology Research Division, Korea Institute of Science and Technology)
Cho, Gyung-Sun (Department Materials Science and Engineering, Hanyang University)
Cheong, Hun (Materials Science and Technology Research Division, Korea Institute of Science and Technology)
Kim, Young-Do (Department Materials Science and Engineering, Hanyang University)
Park, Sang-Whang (Materials Science and Technology Research Division, Korea Institute of Science and Technology)
Publication Information
Journal of the Korean Ceramic Society / v.45, no.9, 2008 , pp. 531-536 More about this Journal
Abstract
Reaction bonded silicon carbide (RBSC) composite for heat-exchanger was fabricated by molten Si infiltration method. For enforcing fracture toughness to reaction bonded silicon carbide composite, the surface of carbon fiber has coating layer by SiC or pyro-carbon. For SiC layer coating, CVD method was used. And for carbon layer coating, the phenol resin was used. In the case of carbon layer coating, fracture toughness and fracture strength were enhancing to 4.4 $MPa{\cdot}m^{1/2}$ and 279 MPa.
Keywords
Silicon carbide; RBSC; Si infiltration; Phenol resin; Heat-exchanger;
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