Coated tool with increased service life

Details Coated tool with increased service life Coated tool with increased service life

1997-09-29

1998-11-03

Beck, Shrive

Coating processes

Coating by vapor, gas, or smoke

Carbon or carbide coating

4272552, 4272557, 20419216, C23C 1416

Patent

active

058305319

ABSTRACT:
A tool with at least one area which is to be exposed to wear, is coated in a vacuum process with a first hard coating lying directly on the tool material and a superimposed exterior friction reducing layer over the hard coating. The grain size of the hard and friction reducing layers has a linear average width of less than 1 .mu.m.

REFERENCES:
patent: 4992153 (1991-02-01), Bergmann et al.

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