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Method for applying a diffusion barrier interlayer for high temperature components

Patent ·
OSTI ID:1241321
;
A coated substrate and a method of forming a diffusion barrier coating system between a substrate and a MCrAl coating, including a diffusion barrier coating deposited onto at least a portion of a substrate surface, wherein the diffusion barrier coating comprises a nitride, oxide or carbide of one or more transition metals and/or metalloids and a MCrAl coating, wherein M includes a transition metal or a metalloid, deposited on at least a portion of the diffusion barrier coating, wherein the diffusion barrier coating restricts the inward diffusion of aluminum of the MCrAl coating into the substrate.
Research Organization:
SOUTHWEST RESEARCH INSTITUTE, San Antonio, TX (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-07NT43096
Assignee:
SOUTHWEST RESEARCH INSTITUTE (San Antonio, TX)
Patent Number(s):
9,279,187
Application Number:
12/616,599
OSTI ID:
1241321
Country of Publication:
United States
Language:
English

References (11)

High temperature stability of Zr–Si–N diffusion barrier in Cu/Si contact system journal January 2004
Oxidation behaviour of sputter-depositedNi–Cr–Al micro-crystalline coatings journal March 1998
A comparative study of the diffusion barrier properties of TiN and ZrN journal December 1986
Cyclic Oxidation Behavior and Microstructure of Nanocrystalline Ni–20Cr–4Al Coating journal February 2010
Microstructure and oxidation resistance of nanocrystalline 304 SS-Al coatings journal December 2009
Evaluation of Nanocrystalline Coatings for Coal-Fired Ultra-Supercritical Boiler Tubes
  • Cheruvu, N. Sastry; Wei, Ronghua; Govindaraju, Madhavrao
  • ASME 2009 Pressure Vessels and Piping Conference, Volume 6: Materials and Fabrication, Parts A and B https://doi.org/10.1115/PVP2009-77092
conference January 2009
TiN high temperature diffusion barrier for copper‐gasketed stainless‐steel flanges
  • Garwin, E. L.; Hoyt, E. W.; Nyaiesh, A. R.
  • Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, Vol. 4, Issue 6 https://doi.org/10.1116/1.573725
journal November 1986
Diffusion barrier property of TiN and TiN/Al/TiN films deposited with FMCVD for Cu interconnection in ULSI journal January 2004
Deposition of thick nitrides and carbonitrides for sand erosion protection journal December 2006
Plasma enhanced magnetron sputter deposition of Ti–Si–C–N based nanocomposite coatings journal December 2008
Oxidation Behavior of Aluminum Nitride Thin Films on Superalloy Substrates journal January 2004

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