Title:
Distortion reform by hot-rolling of the high intensity titanium which performed alpha/beta treatment
Document Type and Number:
Japanese Patent JP6058535
Kind Code:
B2
Abstract:
A method for straightening an age hardened metallic form includes heating an age hardened metallic form comprising one of a titanium alloy, a nickel alloy, an aluminum alloy, and a ferrous alloy 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 metallic form to thereby maintain a deviation from straight of no greater than 0.125 inch over any 5 foot length or shorter length.
Inventors:
Brian, David Jay
Application Number:
JP2013521810A
Publication Date:
January 11, 2017
Filing Date:
July 14, 2011
Export Citation:
Assignee:
81 Properties LLC
International Classes:
C22F1/18; C22C14/00
Domestic Patent References:
| JP2001081537A | ||||
| JP8090074A | ||||
| JP7150274A | ||||
| JP7258810A |
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Hiroaki Noya
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Hiroaki Noya
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