Induction heating of diffusion coatings

Details Induction heating of diffusion coatings Induction heating of diffusion coatings

1995-03-01

1996-07-09

Pianalto, Bernard

Coating processes

Direct application of electrical, magnetic, wave, or...

Pretreatment of substrate or post-treatment of coated substrate

4273741, 4273762, 4273763, 4273764, 4273766, 4273768, 4273837, 4273981, 427436, 427591, B05D 506

Patent

active

055343139

ABSTRACT:
A chromium aluminum and/or silicon diffusion coating is applied to a high temperature substrate such as a boiler tube by induction heating at a predetermined frequency of a known coating preparation such as pack cementation of the coating on the substrate to provide an improved coating of predetermined thickness with increased corrosion resistance.

REFERENCES:
patent: 4031274 (1977-06-01), Bessen
patent: 4040870 (1977-08-01), Holzl
patent: 4087589 (1978-05-01), Bessen
patent: 4153483 (1979-05-01), Holzl
patent: 5089200 (1992-02-01), Chapman, Jr. et al.
patent: 5364659 (1994-11-01), Rapp et al.

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