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Thermal Stability of Silicon-containing Diamond-like Carbon Film

실리콘 함유 DLC 박막의 내열특성

  • Kim, Sang-Gweon (Surface Technology and Heat Treatment R&D Department, Korea Institute of Industrial Technology (KITECH)) ;
  • Kim, Sung-Wan (Surface Technology and Heat Treatment R&D Department, Korea Institute of Industrial Technology (KITECH))
  • 김상권 (한국생산기술연구원 열표면연구부) ;
  • 김성완 (한국생산기술연구원 열표면연구부)
  • Received : 2010.01.27
  • Accepted : 2010.02.11
  • Published : 2010.03.30

Abstract

Diamond-like carbon (DLC) coating was studied to be a good tribological problem-solver due to its low friction characteristics and high hardness. However, generally hydrogenated DLC film has shown a weak thermal stability above $300^{\circ}C$. However, the silicon doping DLC process by DC pulse plasma enhanced chemical vapor deposition (PECVD) for the new DLC coating which has a good characterization with thermal stability at high temperature itself has been observed. And we were discussed a process for optimizing silicon content to promote a good thermal stability using various tetramethylsilane (TMS) and methane gas at high-temperature. The chemical compositions of silicon-containing DLC film was analyzed using X-ray photoelectron spectroscopy (XPS) before and after heat treatment. Raman spectrum analysis showed the changed structure on the surface after the high-temperature exposure testing. In particular, the hardness of silicon-containing DLC film showed different values before and after the annealing treatment.

Keywords

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Cited by

  1. 실리콘 함유 DLC 박막의 마찰마모 시험에 의한 물리적 특성 및 화학적 결합 구조 변화 고찰 vol.24, pp.3, 2010, https://doi.org/10.12656/jksht.2011.24.3.127