A method of working titanium alloys

A method of working titanium alloys

A method of forming an alpha-beta titanium alloy article by forming a final forged article at a temperature above its beta-transus, cooling the forged article, solution heat treating the cooled article at a temperature below its beta-transus, controlled cooling of the solution heat treated, and then...

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Hauptverfasser: ANDREW PHILLIP WOODFIELD, MICHAEL JAMES WEIMER, ARTURO ACOSTA
Format: Patent
Sprache:eng
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CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator ANDREW PHILLIP WOODFIELD
MICHAEL JAMES WEIMER
ARTURO ACOSTA
description A method of forming an alpha-beta titanium alloy article by forming a final forged article at a temperature above its beta-transus, cooling the forged article, solution heat treating the cooled article at a temperature below its beta-transus, controlled cooling of the solution heat treated, and then alpha phase precipitation treating the post-solution cooled article to obtain a final article having an average elongation value of at least 3%. The alloy is preferably Ti-6Al-2Sn-4Zr-6Mo and forging is performed at a temperature in the range 952-996 {C, solution heat treatment is performed at a temperature in the range 92-125 {C below its beta-transus for 4 hours, controlled cooling is at a rate of 28-111 {C/minute and precipitation treating is performed at a temperature of 593-732 {C for 8 hours.
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subjects CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title A method of working titanium alloys
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