Method of producing high strength, high stiffness and high ductility titanium alloys
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United States of America Patent
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Feb 1, 2011
Grant Date -
Dec 13, 2007
app pub date -
Jun 7, 2006
filing date -
Jun 7, 2006
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Abstract
A method of producing a high strength, high stiffness and high ductility titanium alloy, comprising combining the titanium alloy with boron so that the boron concentration in the boron-modified titanium alloy does not exceed the eutectic limit. The carbon concentration of the boron-modified titanium alloy is maintained below a predetermined limit to avoid embrittlement. The boron-modified alloy is heated to a temperature above the beta transus temperature to eliminate any supersaturated excess boron. The boron-modified titanium alloy is deformed at a speed slow enough to prevent microstructural damage and reduced ductility.
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