Method of siliciding titanium and titanium alloys

Details Method of siliciding titanium and titanium alloys Method of siliciding titanium and titanium alloys

1990-12-06

1992-08-04

Beck, Shrive

Coating processes

Immersion or partial immersion

Metal base

427431, 427432, C23C 200

Patent

active

051357828

ABSTRACT:
Titanium and titanium alloy substrates are provided with a dense coating of a titanium silicide. The titanium silicide coating substantially increases the oxidation resistance of the substrate. The siliciding method includes the steps of: Forming a substantially molten pool of a siliciding alloy; contacting the substrate with the siliciding alloy; maintaining the substrate in contact with the siliciding alloy at a temperature at or above a minimum predetermined temperature to form a titanium silicide coating on the substrate; and separating the coated substrate from the siliciding alloy. The siliciding alloy includes a minimum effective concentration of silicon and a lithium metal flux.

REFERENCES:
patent: 3085028 (1963-04-01), Logan
patent: 3192065 (1965-06-01), Page et al.
patent: 3220876 (1965-11-01), Moeller
patent: 3397078 (1968-08-01), Anderson
patent: 3494805 (1970-02-01), Wang
Coatings of High-Temperature Materials, H. H. Hausner, ed., ch. 4, Plenum Press, New York, 1966.

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