Solution heat treatment and overage heat treatment for titanium components
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United States of America Patent
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Aug 11, 2015
Grant Date -
Mar 18, 2010
app pub date -
Sep 18, 2008
filing date -
Sep 18, 2008
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Abstract
A method of fabricating a Ti-6Al-4V titanium alloy component including solution heat treating a forged Ti-6Al-4V titanium alloy component at a temperature within the alpha+beta two-phase field for the material of the component for a predetermined period of time, and subsequently cooling the component. The component is then age heat treated using an overaging process at a predetermined overaging temperature for a predetermined time, and the component is cooled to room temperature. The overaging temperature is selected to be a higher temperature than an aging heat treatment temperature for effecting a maximum yield strength in the component.
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