Invention Grant
- Patent Title: Cemented carbide tool and method of making
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Application No.: US10292992Application Date: 2002-11-13
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Publication No.: US06998173B2Publication Date: 2006-02-14
- Inventor: Yixiong Liu , Donald A. Botbyl , George P. Grab , Mark S. Greenfield
- Applicant: Yixiong Liu , Donald A. Botbyl , George P. Grab , Mark S. Greenfield
- Applicant Address: US PA Latrobe
- Assignee: Kennametal Inc.
- Current Assignee: Kennametal Inc.
- Current Assignee Address: US PA Latrobe
- Agent John J. Prizzi
- Main IPC: B32B9/00
- IPC: B32B9/00
Abstract:
A coated cemented carbide tool, and a method for making the same, wherein the as-sintered substrate is formed by sintering in an atmosphere having at least a partial pressure and for a part of the time a nitrogen partial pressure.
Public/Granted literature
- US20030126945A1 Cemented carbide tool and method of making Public/Granted day:2003-07-10
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