Coated tool with increased service life

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

1996-03-28

1998-01-13

Speer, Timothy

Stock material or miscellaneous articles

Composite

Of metal

428215, 428472, 428698, 428699, B32B 1800

Patent

active

057077487

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.

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patent: 5075181 (1991-12-01), Quinto
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patent: 5223337 (1993-06-01), van den Berg
patent: 5260107 (1993-11-01), Kawamura
patent: 5266388 (1993-11-01), Santhanam

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