Title:
TITANIUM ALLOY EXCELLENT IN DUCTILITY, FATIGUE STRENGTH AND RIGIDITY AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/2001/092589
Kind Code:
A1
Abstract:
A titanium alloy having a metal boride homogeneously crystallizated or/and deposited in the matrix thereof, characterized in that the matrix has an equiaxial $g(a) structure in an amount of 40 vol % or more. Such titanium alloy can be produced by subjecting it to a hot finishing working at a temperature 10 °C or more lower than its $g(b) transus temperture. This titanium alloy has a high rigidity, excellent ductility and excellent fatigue strength, which are properties required to a structural member, and can be widely used for parts of an automobile engine, structural members for an air craft, parts for a rapid transit rail car and the like.
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Inventors:
ARIYASU NOZOMU (JP)
MATSUMOTO SATOSHI (JP)
MATSUMOTO SATOSHI (JP)
Application Number:
PCT/JP2000/003461
Publication Date:
December 06, 2001
Filing Date:
May 29, 2000
Export Citation:
Assignee:
SUMITOMO METAL IND (JP)
ARIYASU NOZOMU (JP)
MATSUMOTO SATOSHI (JP)
ARIYASU NOZOMU (JP)
MATSUMOTO SATOSHI (JP)
International Classes:
C22C14/00; C22F1/18; (IPC1-7): C22C14/00; C22F1/18
Foreign References:
| JPH05209251A | 1993-08-20 | |||
| JPH04355A | 1992-01-06 | |||
| JPS61159564A | 1986-07-19 |
Other References:
See also references of EP 1295955A4
Attorney, Agent or Firm:
Mori, Michio (Higashinaniwa-cho 5-chome Amagasaki-shi, Hyogo, JP)
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