Multilayered alumina coated cemented carbide body

Details Multilayered alumina coated cemented carbide body Multilayered alumina coated cemented carbide body

1996-03-11

1997-12-23

Turner, Archene

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428457, 428469, 428698, 428701, 428702, 51307, 51309, B32B 904

Patent

active

057005699

ABSTRACT:
There is disclosed an alumina coated cemented carbide insert having improved properties for metal cutting applications. The insert has 6 to 8 layers of alumina with a total coating thickness of up to about 15 .mu.m. It has also been found that varying the number of layers can change the color of the coated insert.

REFERENCES:
patent: Re31520 (1984-02-01), Lindstrom et al.
patent: Re32110 (1986-04-01), Hale
patent: 4746563 (1988-05-01), Wakano et al.
patent: 4984940 (1991-01-01), Bryant et al.
patent: 5137774 (1992-08-01), Ruppi
patent: 5162147 (1992-11-01), Ruppi

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