Metal treatment – Stock – Titanium – zirconium – or hafnium base
Patent
1990-08-07
1992-08-18
Roy, Upendra
Metal treatment
Stock
Titanium, zirconium, or hafnium base
75 1026, 148902, 420417, C22C 1400
Patent
active
051395851
ABSTRACT:
A structural member made of titanium or titanium alloy has a metal structure at its surface layer portion formed of a plurality of kinds of .beta.-phases of different characteristics which are present in combination.
REFERENCES:
patent: 4157923 (1979-06-01), Yen et al.
patent: 4279667 (1981-07-01), Anthony et al.
patent: 4639281 (1987-01-01), Sastry et al.
patent: 4825035 (1989-04-01), Moriyasu et al.
patent: 4902359 (1990-02-01), Takeuchi et al.
patent: 4905538 (1990-03-01), Watanabe et al.
Vigier et al in Titanium & Titanium Alloys vol. 3, eds. Williams et al, Plenum, 1982, p. 1691.
Hohda Tatsuya
Tokune Toshio
Wajima Yoshihiko
Watanabe Naoya
Honda Giken Kogyo Kabushiki Kaisha
Roy Upendra
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