To provide a titanium alloy billet excellent in terms of ultrasonic inspectability and mechanical characteristics, a method for manufacturing a titanium alloy billet, a forged titanium alloy material, a method for manufacturing a forged titanium alloy material, and a method for manufacturing an aircraft component.
A titanium alloy billet 10 forged within an α+β region consisting of α titanium having an HCP structure and β titanium having a BCC structure has the following characteristics: the average particle diameter of granular α titanium is 6 μm or above and 15 μm or below; the maximal size of a colony provided as an aggregate of the granular α titanium is 120 μm or below; and an accumulation of c axes of an α titanium phase is present over a range of ±40° or less from the longitudinal direction of the titanium alloy billet in a state where the integration degree thereof at the center of a cross section D perpendicular to the longitudinal direction is 1.5 or above.
MURAKAMI SHOGO
KINOSHITA TAKAYUKI
MOCHIDA SHUNSUKE
| JP2009299124A | 2009-12-24 | |||
| JP2008127633A | 2008-06-05 | |||
| JP2010275629A | 2010-12-09 | |||
| JPH03219060A | 1991-09-26 | |||
| JPS62286639A | 1987-12-12 | |||
| JP2009299124A | 2009-12-24 | |||
| JP2008127633A | 2008-06-05 | |||
| JP2010275629A | 2010-12-09 | |||
| JPH03219060A | 1991-09-26 | |||
| JPS62286639A | 1987-12-12 |
Etsuo Tada
Tetsuo Tomita
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