Hot stretch straightening of high strength α/β processed titanium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 6, 2013
Grant Date -
Feb 2, 2012
app pub date -
Jul 28, 2010
filing date -
Jul 28, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A method for straightening a solution treated and aged (STA) titanium alloy form includes heating an STA titanium alloy form to a straightening temperature of at least 25° F. below the age hardening temperature, and applying an elongation tensile stress for a time sufficient to elongate and straighten the form. The elongation tensile stress is at least 20% of the yield stress and not equal to or greater than the yield stress at the straightening temperature. The straightened form deviates from straight by no greater than 0.125 inch over any 5 foot length or shorter length. The straightened form is cooled while simultaneously applying a cooling tensile stress that balances the thermal cooling stress in the titanium alloy form to thereby maintain a deviation from straight of no greater than 0.125 inch over any 5 foot length or shorter length.
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International Classification(s)
- 2010 Application Filing Year
- C22F Class
- 119 Applications Filed
- 83 Patents Issued To-Date
- 69.75 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 28 Citation Count
- C22F Class
- 98.48 % this patent is cited more than
- 12 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 6, 2025 |
