Method for forming a ceramic coating by laser beam irradiation

Details Method for forming a ceramic coating by laser beam irradiation Method for forming a ceramic coating by laser beam irradiation

1989-10-02

1991-10-15

Beck, Shrive

Coating processes

Electrical product produced

Welding electrode

4271262, 4271263, 4271264, 427226, 20415741, 20415745, 20415751, B05D 306, B05D 512, B05D 302, C01B 0000

Patent

active

050573357

ABSTRACT:
A method for forming a ceramic coating on a substrate comprises immersing the substrate such as stainless steel in an aqueous solution containing a silicic acid compound such as sodium silicate and/or a metal salt of oxygen acid such as an aluminate, and irradiating the substrate with a laser beam. By this method, a dense and fine ceramic coating can be uniformly formed on the substrate without using an apparatus of large scale required in the gas phase method and without heating the system to a high temperature.

REFERENCES:
patent: 4224072 (1980-09-01), Stewart
patent: 4256545 (1981-03-01), Deborski
patent: 4340617 (1982-07-01), Deutsch et al.
patent: 4349583 (1982-09-01), Kulynych et al.
patent: 4514456 (1985-04-01), Deal et al.
patent: 4615913 (1986-10-01), Jones et al.
patent: 4658761 (1987-04-01), Duggan

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