Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 17, 2009
Patent Application Number
12027534
Date Filed
February 7, 2008
Patent Primary Examiner
Patent abstract
A multilayer hard coating for tools for machining applications with a multilayer structure for improving the wear resistance of workpieces includes at least one (AlyCr1-y)X layer (0.2≦y≦0.7), wherein X is one of the following elements N, C, B, CN, BN, CBN, NO, CO, BO, CNO, BNO, CBNO, but preferably N or CN, and/or a (TizSi1-z) layer (0.99≧z≧0.7). The hard coating also includes at least one layer stack with one (AlCrTiSi)X mixed layer, followed by another (TizSi1-z)X layer, followed by another (AlCrTiSi)X mixed layer, followed by another (AlyCr1-y)X layer.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
