Low stress hard coatings and applications thereof

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United States of America Patent

PATENT NO 9896767
SERIAL NO

14248922

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Abstract

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In one aspect, coated cutting tools are described herein comprising a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising M1-xAlxN wherein x≧0.68 and M is titanium, chromium or zirconium, the refractory layer including a cubic crystalline phase and having hardness of at least 25 GPa.

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Patent Owner(s)

Patent OwnerAddress
KENNAMETAL INC1600 TECHNOLOGY WAY LATROBE PA 15650

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kumar, Vineet Latrobe, US 41 597
Liu, Yixiong Greensburg, US 57 221
Penich, Ronald Greensburg, US 6 4

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