Title:
LANTHANUM MOLYBDAT ABRADABLE COATINGS, THEIR METHODS OF FORMATION AND USE
Document Type and Number:
WIPO Patent Application WO/2015/183439
Kind Code:
A3
Abstract:
A coated substrate (100) is provided that can include a substrate defining a surface (103), and an abradable coating (106) on the surface (103) of the substrate. The abradable coating (106) can comprise La2-xAxMo2-y-y'WyByO9-δ forming a crystalline structure, where A comprises Li, Na, K, Rb, Cs, Sc, Y, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Th, Be, Mg, Ca, Sr, Ba, Cu, Bi, Cd, Zn, Ag, Au, Pt, Ir, Rh, Ru, Pd, or combinations thereof; 0 < x ≤ about 0.2 (e.g., about 0.1 ≤ x ≤ about 0.15); 0 ≤ y ≤ about 1.5 (e.g., about 0.01 ≤ y ≤ about 1.5); B comprises Ta, Nb, V, Fe, Cr, Mn, Co, Ni, Sn, Ga, Al, Re, In, S, or combinations thereof; 0 ≤ y' ≤ about 0.2, wherein the sum of y and y' is about 0.01 to about 1.6; and 0 ≤ δ ≤ about 0.2.
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Inventors:
KIRBY GLEN HAROLD (US)
Application Number:
PCT/US2015/027415
Publication Date:
February 04, 2016
Filing Date:
April 24, 2015
Export Citation:
Assignee:
GEN ELECTRIC (US)
International Classes:
C23C28/04; C23C28/00; C23C30/00; F01D5/28
Foreign References:
| US20030160216A1 | 2003-08-28 | |||
| US20120204951A1 | 2012-08-16 | |||
| US20100227146A1 | 2010-09-09 | |||
| EP2192098A2 | 2010-06-02 |
Other References:
MICHAEL R. WINTER ET AL: "Oxide Materials with Low Thermal Conductivity", JOURNAL OF THE AMERICAN CERAMIC SOCIETY, vol. 90, no. 2, 1 February 2007 (2007-02-01), pages 533 - 540, XP055199642, ISSN: 0002-7820, DOI: 10.1111/j.1551-2916.2006.01410.x
LAFFEZ P ET AL: "Growth of La2Mo2O9 films on porous Al2O3 substrates by radio frequency magnetron sputtering", THIN SOLID FILMS, ELSEVIER-SEQUOIA S.A. LAUSANNE, CH, vol. 500, no. 1-2, 3 April 2006 (2006-04-03), pages 27 - 33, XP025006363, ISSN: 0040-6090, [retrieved on 20060403], DOI: 10.1016/J.TSF.2005.10.062
BRIOIS P ET AL: "A comparison of electrical properties of sputter-deposited electrolyte coatings dedicated to intermediate temperature solid oxide fuel cells", SURFACE AND COATINGS TECHNOLOGY, ELSEVIER, AMSTERDAM, NL, vol. 201, no. 3-4, 5 October 2006 (2006-10-05), pages 1328 - 1334, XP024996128, ISSN: 0257-8972, [retrieved on 20061005], DOI: 10.1016/J.SURFCOAT.2006.01.061
I. T. WEBER ET AL: "Pure and Gd doped LAMOX powders and thin films obtained by chemical route", MATERIALS SCIENCE AND TECHNOLOGY, vol. 25, no. 11, 1 November 2009 (2009-11-01), pages 1346 - 1350, XP055199634, ISSN: 0267-0836, DOI: 10.1179/026708309X12474766656498
PINET ET AL: "Conductivity of reduced La2Mo2O9 based oxides: The effect of tungsten substitution", MATERIALS RESEARCH BULLETIN, ELSEVIER, KIDLINGTON, GB, vol. 42, no. 5, 16 March 2007 (2007-03-16), pages 935 - 942, XP005939408, ISSN: 0025-5408, DOI: 10.1016/J.MATERRESBULL.2006.08.012
LAFFEZ P ET AL: "Growth of La2Mo2O9 films on porous Al2O3 substrates by radio frequency magnetron sputtering", THIN SOLID FILMS, ELSEVIER-SEQUOIA S.A. LAUSANNE, CH, vol. 500, no. 1-2, 3 April 2006 (2006-04-03), pages 27 - 33, XP025006363, ISSN: 0040-6090, [retrieved on 20060403], DOI: 10.1016/J.TSF.2005.10.062
BRIOIS P ET AL: "A comparison of electrical properties of sputter-deposited electrolyte coatings dedicated to intermediate temperature solid oxide fuel cells", SURFACE AND COATINGS TECHNOLOGY, ELSEVIER, AMSTERDAM, NL, vol. 201, no. 3-4, 5 October 2006 (2006-10-05), pages 1328 - 1334, XP024996128, ISSN: 0257-8972, [retrieved on 20061005], DOI: 10.1016/J.SURFCOAT.2006.01.061
I. T. WEBER ET AL: "Pure and Gd doped LAMOX powders and thin films obtained by chemical route", MATERIALS SCIENCE AND TECHNOLOGY, vol. 25, no. 11, 1 November 2009 (2009-11-01), pages 1346 - 1350, XP055199634, ISSN: 0267-0836, DOI: 10.1179/026708309X12474766656498
PINET ET AL: "Conductivity of reduced La2Mo2O9 based oxides: The effect of tungsten substitution", MATERIALS RESEARCH BULLETIN, ELSEVIER, KIDLINGTON, GB, vol. 42, no. 5, 16 March 2007 (2007-03-16), pages 935 - 942, XP005939408, ISSN: 0025-5408, DOI: 10.1016/J.MATERRESBULL.2006.08.012
Attorney, Agent or Firm:
OVERBECK, Brian, P. et al. (Global Patent Operation3135 Easton Turnpik, Fairfield CT, US)
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