Formation of coatings on cutting edges

Details Formation of coatings on cutting edges Formation of coatings on cutting edges

1980-10-15

1983-11-22

Page, Thurman K.

Coating processes

Measuring, testing, or indicating

Thickness or uniformity of thickness determined

427 141, 427 50, 4272481, 427249, 427250, 427252, B05D 104

Patent

active

044169124

ABSTRACT:
A process is provided for the formation of metal and metal compound coatings on cutting edges by chemical vapor deposition in a deposition chamber, the improvement wherein a static electric field is established between the cutting edge and a counter electrode positioned in the deposition chamber, the field potential and gas pressure being such that glow discharge does not take place and the field potential additionally being such that a dense adherent coating is obtained.

REFERENCES:
patent: 2843542 (1958-07-01), Callahan
patent: 3756847 (1973-09-01), Leibowitz et al.
patent: 3757734 (1973-09-01), Fischbein
patent: 3791852 (1974-02-01), Bunshah
patent: 3912826 (1975-10-01), Kennedy
patent: 4107352 (1978-08-01), Hakim

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