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Application of ultra-high-temperature ceramics to oxidation-resistant and anti-ablation coatings for carbon-carbon composite

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2019, 29(6), pp.283-293
  • DOI : 10.6111/JKCGCT.2019.29.6.283
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : November 8, 2019
  • Accepted : December 10, 2019
  • Published : December 31, 2019

Hyun-Mi Kim 1 Sungchurl Choi 1 Nam Choon Cho 2 Hyung Ik Lee 2 Kyoon Choi 3

1한양대학교
2국방과학연구소 제4 기술연구본부
3한국세라믹기술원

Accredited

ABSTRACT

As applications in extreme environments such as aerospace, high-energy plasma and radio-active circumstancesincreases, the demand for materials that require higher melting points, higher mechanical strength and improved thermalconductivity continues to increase. Accordingly, in order to improve the oxidation/abrasion resistance of the carbon-carboncomposite, which is a typical heat-resistant material, a method of using ultra high temperature ceramics was reviewed. Theadvantages and disadvantages of CVD coating, pack cementation and thermal plasma spraying, the simplest methods forsynthesizing ultra-high temperature ceramics, were compared. As a method for applying the CVD coating method to C/Ccomposites with complex shapes, the possibility of using thermodynamic calculation and CFD simulation was proposed. Inaddition, as a result of comparing the oxidation resistance of the TaC/SiC bi-layer coating and TaC/SiC multilayer coatingproduced by this method, the more excellent oxidation resistance of the multilayer coating on C/C was confirmed.

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