CA2560147C - Alliage de nickel-chrome-cobalt (ni-cr-co) pour turbines a gaz perfectionnees - Google Patents

Alliage de nickel-chrome-cobalt (ni-cr-co) pour turbines a gaz perfectionnees Download PDF

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Publication number
CA2560147C
CA2560147C CA2560147A CA2560147A CA2560147C CA 2560147 C CA2560147 C CA 2560147C CA 2560147 A CA2560147 A CA 2560147A CA 2560147 A CA2560147 A CA 2560147A CA 2560147 C CA2560147 C CA 2560147C
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Prior art keywords
alloy
chromium
nickel
weight percent
based alloy
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CA2560147A
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English (en)
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CA2560147A1 (fr
Inventor
Lee M. Pike, Jr.
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Haynes International Inc
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Haynes International Inc
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Priority claimed from US11/451,787 external-priority patent/US8066938B2/en
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Publication of CA2560147A1 publication Critical patent/CA2560147A1/fr
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Publication of CA2560147C publication Critical patent/CA2560147C/fr
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  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Un alliage à base de nickel-chrome-cobalt durcissable par vieillissement forgé utilisé dans les conduits de transition pour turbine à gaz à température élevée possédant une combinaison de trois importantes propriétés une résistance à la fragilisation, une excellente stabilité à la chaleur et une excellente résistance au fluage contient, selon le pourcentage pondéral, 17 à 22 % de chrome, 8 à 15 % de cobalt, 4,0 à 9,1 % de molybdène, jusqu'à 7 % de tungstène, 1,39 à 1,65 % d'aluminium, 1,50 à 2,30 % de titane, jusqu'à 0,80 % de niobium, de 0,01 à 0,2 % de carbone, jusqu'à 0,01 de bore, jusqu'à 3 % de fer, jusqu'à 1,5 de tantale et moins de 0,02 % de zirconium, le reste étant composé de nickel et d'impuretés. Certains éléments d'alliage doivent être présents en quantités respectant les deux équations ici décrites.
CA2560147A 2006-06-13 2006-09-15 Alliage de nickel-chrome-cobalt (ni-cr-co) pour turbines a gaz perfectionnees Active CA2560147C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/451,787 US8066938B2 (en) 2004-09-03 2006-06-13 Ni-Cr-Co alloy for advanced gas turbine engines
US11/451,787 2006-06-13

Publications (2)

Publication Number Publication Date
CA2560147A1 CA2560147A1 (fr) 2007-12-13
CA2560147C true CA2560147C (fr) 2014-04-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2560147A Active CA2560147C (fr) 2006-06-13 2006-09-15 Alliage de nickel-chrome-cobalt (ni-cr-co) pour turbines a gaz perfectionnees

Country Status (2)

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AU (1) AU2007202711A1 (fr)
CA (1) CA2560147C (fr)

Also Published As

Publication number Publication date
CA2560147A1 (fr) 2007-12-13
AU2007202711A1 (en) 2008-01-03

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