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1. (WO2013126425) NANOSTRUCTURED MULTI-LAYER COATING

Pub. No.:    WO/2013/126425    International Application No.:    PCT/US2013/026897
Publication Date: Fri Aug 30 01:59:59 CEST 2013 International Filing Date: Thu Feb 21 00:59:59 CET 2013
IPC: B24D 3/02
B32B 9/00
B82Y 30/00
Applicants: NANOMECH, INC.
Inventors: JIANG, Wenping
KIMMEL, Mike
MALSHE, Ajay, P.
Title: NANOSTRUCTURED MULTI-LAYER COATING
Abstract:
A coating for carbide substrates to produce cutting tool inserts employs a lower nanostructured layer in conjunction with a non-nanostructured layer. The nanostructured layer is produced by the addition of a refining agent flow, particular hydrogen chloride gas, during deposition. The combination of a nanostructured layer and non-nanostructured layer of coatings is believed to produce a cutting tool insert that exhibits longer life, particularly in conjunction with particularly difficult cutting applications such as the cutting of hardened steel with severe interruptions.