Aluminum oxide coated tool

There is provided a tool at least partly coated with at least two refractory layers of which one of the said layers is a fine-grained α-Al2O3-layer which is the top layer along the cutting edge-line and the other a TiCxNyOz- or a ZrCxNy-layer being the top layer on the clearance face. The coated too...

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Bibliographic Details
Main Authors LJUNGBERG BJORN, LENANDER ANDERS
Format Patent
LanguageEnglish
Published 30.11.2010
Subjects
BORING
CHEMICAL SURFACE TREATMENT
CHEMISTRY
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING MATERIAL WITH METALLIC MATERIAL
COATING METALLIC MATERIAL
COMBINED OPERATIONS
DIFFUSION TREATMENT OF METALLIC MATERIAL
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
METALLURGY
OTHER WORKING OF METAL
PERFORMING OPERATIONS
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
TRANSPORTING
TURNING
UNIVERSAL MACHINE TOOLS
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Summary:There is provided a tool at least partly coated with at least two refractory layers of which one of the said layers is a fine-grained α-Al2O3-layer which is the top layer along the cutting edge-line and the other a TiCxNyOz- or a ZrCxNy-layer being the top layer on the clearance face. The coated tool exhibits excellent flank and crater wear and high resistance to flaking, particularly when used for machining of low carbon steel and stainless steel. Used cutting edges can easily be identified by the naked eye.
Bibliography:Application Number: US20070653420