ENHANCED SUPERALLOYS BY ZIRCONIUM ADDITION

ENHANCED SUPERALLOYS BY ZIRCONIUM ADDITION

A gamma prime nickel-based superalloy is provided, which can include a combination of Ti and Zr in a total weight amount sufficient to form cellular precipitates (30) located at grain boundaries (32) of the alloy, wherein the cellular precipitates (30) define gamma prime arms (42) that distort the g...

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Hauptverfasser: MOURER, DAVID PAUL, WESSMAN, ANDREW EZEKIEL
Format: Patent
Sprache:eng ; fre
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ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator MOURER, DAVID PAUL
WESSMAN, ANDREW EZEKIEL
description A gamma prime nickel-based superalloy is provided, which can include a combination of Ti and Zr in a total weight amount sufficient to form cellular precipitates (30) located at grain boundaries (32) of the alloy, wherein the cellular precipitates (30) define gamma prime arms (42) that distort the grain boundaries (32) at which they are located. The Hf-containing, gamma prime nickel-based superalloy and/or the gamma prime nickel-based superalloy can include cellular precipitates (30) that are predominantly located at grain boundaries (32) of the alloy such that the cellular precipitates (30) define gamma prime arms (42) that distort the grain boundaries (32) at which they are located. The superalloys can further include finer gamma prime precipitates (e.g., cuboidal or spherical precipitates) than the cellular precipitates (30).
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The Hf-containing, gamma prime nickel-based superalloy and/or the gamma prime nickel-based superalloy can include cellular precipitates (30) that are predominantly located at grain boundaries (32) of the alloy such that the cellular precipitates (30) define gamma prime arms (42) that distort the grain boundaries (32) at which they are located. 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subjects ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title ENHANCED SUPERALLOYS BY ZIRCONIUM ADDITION
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