Advances in materials Research

  • 제1권3호
  • /
  • Pages.233-243
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  • 2012
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  • 2234-0912(pISSN)
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  • 2234-179X(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Characterization of vanadium carbide coating deposited by borax salt bath process

  • Aghaie-Khafri, M. (Faculty of Mechanical Engineering, K. N. Toosi University of Technology) ;
  • Daemi, N. (Faculty of Mechanical Engineering, K. N. Toosi University of Technology)
  • 투고 : 2012.04.11
  • 심사 : 2012.08.31
  • 발행 : 2012.09.25
⟨ 이전 논문 다음 논문 ⟩

초록

Thermal reactive diffusion coating of vanadium carbide on DIN 2714 steel substrate was performed in a molten borax bath at $950-1050^{\circ}C$. The coating formed on the surface of the substrate had uniform thickness ($1-12{\mu}m$) all over the surface and the coating layer was hard (2430-2700 HV), dense, smooth and compact. The influence of the kinetics parameters, temperature and time, has been investigated. Vanadium carbide coating was characterized by scanning electron microscopy (SEM), energy dispersive X-ray spectrometry (EDX) and X-ray diffraction analysis (XRD). The corrosion resistance of the coating was evaluated by potentiodynamic polarization in 3.5% NaCl solution. The results obtained showed that decrease of coating microhardness following increasing time and temperature is owing to the coarsening of carbides and coating grain size.

키워드

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  3. On the formation and properties of chromium carbide and vanadium carbide coatings produced on W1 tool steel through thermal reactive diffusion (TRD) vol.46, pp.16, 2020, https://doi.org/10.1016/j.ceramint.2020.06.326