Thin parts made of β or quasi-β titanium alloys;...

Details Thin parts made of β or quasi-β titanium alloys;... Thin parts made of β or quasi-β titanium alloys;...

2006-05-02

2006-05-02

Sheehan, John P. (Department: 1742)

Metal treatment

Stock

Titanium, zirconium, or hafnium base

C420S417000, C420S418000, C420S421000

Reexamination Certificate

active

07037389

ABSTRACT:
The present invention provides non-axially symmetrical manufactured parts of thickness less than 10 mm, made of β or quasi-β titanium alloy, having a core microstructure constituted by whole grains presenting a slenderness ratio greater than 4 and an equivalent diameter lying in the range 10 μm to 300 μm. The invention also provides a method of manufacturing the parts by forging.

REFERENCES:
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patent: 5026520 (1991-06-01), Bhowal et al.
patent: 6110302 (2000-08-01), Gorman
patent: 6284071 (2001-09-01), Suzuki et al.
patent: 2001/0050117 (2001-12-01), Oyama et al.
patent: 0 852 164 (1998-07-01), None
patent: 0 980 961 (1999-08-01), None
patent: 1 127 949 (2001-08-01), None

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