REFRACTORY COATINGS FOR CUTTING TOOLS

Title:

REFRACTORY COATINGS FOR CUTTING TOOLS

Document Type and Number:

Japanese Patent JP2015047690

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide refractory coatings for cutting tools.SOLUTION: One aspect describes cutting tools having coatings adhering thereto which, in some embodiments, demonstrate desirable wear resistance and increased cutting lifetimes. A coated cutting tool described herein comprises a substrate and a coating adhering to the substrate. The coating includes a refractory layer comprising a plurality of sublayer groups. The sublayer groups comprise an aluminum oxynitride (AlON) sublayer or composite AlON sublayer and an alumina (AlO) sublayer or composite alumina sublayer.

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Inventors:

VOLKMAR SOTTKE
KARL HEINZ WENDT
WESTPHAL HARTMUT
PETER LEICHT
LIU YIXIONG

Application Number:

JP2014171413A

Publication Date:

March 16, 2015

Filing Date:

August 26, 2014

Export Citation:

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Assignee:

KENNAMETAL INC

International Classes:

B23B27/14; B23B51/00; B23C5/16; C23C16/40

Attorney, Agent or Firm:

Nakajima 淳
Kato Kazu -- full
Katsuichi Nishimoto

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