Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Development of Polymer-derived Silicon Carbide Fiber with Low Oxygen Content Using a Cyclohexene Vapor Process

싸이클로헥센 증기 공정에 의한 산소량이 적은 실리콘카바이드 섬유의 개발

  • 윤병일 ((주)데크카본 원천소재개발팀) ;
  • 최우철 ((주)데크카본 원천소재개발팀) ;
  • 김명주 ((주)데크카본 원천소재개발팀) ;
  • 김재성 ((주)데크카본 원천소재개발팀) ;
  • 김정일 ((주)데크카본 원천소재개발팀) ;
  • 강홍구 ((주)데크카본 원천소재개발팀)
  • Received : 2017.03.13
  • Accepted : 2017.08.11
  • Published : 2017.10.05
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Abstract

A chemical vapor curing method(CVC) was developed to cure polycarbosilane(PCS) fibers by using cyclohexene vapour as a non-oxygen active reactant, instead of air in oder to prepare the silicon carbide(SiC) fiber with low oxygen content. A cross-linked PCS fibers by cyclohexene vapor showed a completely different variation in IR spectra in comparison to the air-cured PCS fiber. CVC method resulted in less than 3 wt% in oxygen content. In this experiment conditions, The average tensile strength and modulus of SiC fiber obtained by CVC had 1995 MPa and 183 GPa respectively, which is higher than that of SiC fiber prepared by air-curing process.

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References

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