Method for making silicon carbide coatings

Details Method for making silicon carbide coatings Method for making silicon carbide coatings

1982-09-16

1984-05-01

Lusignan, Michael R.

Coating processes

Electrical product produced

Welding electrode

423345, 427350, 427387, 501 88, 528 12, 528 13, 528 18, 528 29, B05D 306

Patent

active

044461690

ABSTRACT:
A method is disclosed for preparing a silicon carbide-coated substrate without subjecting the substrate to unnecessary thermal stress. A coating of a silicon carbide precursor polymer is placed on a substrate and the coating is subjected to a laser beam of sufficient energy to raise the temperature of the coating in the area of impingement of the laser beam to approximately 1200.degree. C. to 1600.degree. C. until the coating is converted into a silicon carbide ceramic material. The area of laser beam impingement is located in an inert atmosphere or vacuum while the reaction is taking place.

REFERENCES:
patent: 4298558 (1981-11-01), Baney et al.
patent: 4298559 (1981-11-01), Baney et al.
patent: 4302508 (1981-11-01), Hierholzer et al.
patent: 4310481 (1982-01-01), Baney
patent: 4310482 (1982-01-01), Baney
patent: 4310651 (1982-01-01), Baney et al.

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