Coating processes – Flame contact – Metal coating
Patent
1999-01-22
2000-03-07
Beck, Shrive
Coating processes
Flame contact
Metal coating
42725527, 42725536, 4272554, 427377, 427399, C23C 1640, C23C 1622
Patent
active
060337273
ABSTRACT:
A method for strengthening and aging-prevention of a TZP ceramics includes the steps of: introducing TZP ceramic and Si-based ceramic powders into a furnace in which a water vapor pressure is controlled; and exposing the TZP ceramic next to Si-based ceramic in a flowing H.sub.2 atmosphere containing H.sub.2 O of no more than 0.1%, to form a silica/zircon layer on the surface of the TZP ceramic.
REFERENCES:
patent: 3861947 (1975-01-01), Hamling
patent: 5798308 (1998-08-01), Chatterjee et al.
patent: 5910462 (1999-06-01), Gani et al.
Baek Yong Kee
Kang Eul-Son
Kim Hyoun-Ee
Ko Young Hak
Agency for Defense Development
Beck Shrive
Crockford Kirsten A.
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