公开(公告)号：US06638474B2

公开(公告)日：2003-10-28

申请号：US09812217

申请日：2001-03-19

Applicant: Yixiong Liu ,  Donald A. Botbyl ,  George P. Grab ,  Mark S. Greenfield

Inventor： Yixiong Liu ,  Donald A. Botbyl ,  George P. Grab ,  Mark S. Greenfield

IPC: B22F312

CPC classification number: C23C16/34 ,  B22F2003/247 ,  B22F2005/001 ,  B22F2998/00 ,  B22F2999/00 ,  C22C1/055 ,  C22C29/02 ,  C22C29/08 ,  C23C16/36 ,  C23C16/403 ,  C23C30/005 ,  Y10T407/26 ,  Y10T407/27 ,  B22F2207/03 ,  B22F3/1007 ,  B22F2201/02

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.

Abstract translation: 涂覆硬质合金工具及其制造方法，其中烧结基材通过在至少分压至少部分的气氛中烧结而形成，并且一段时间内是氮分压。

公开(公告)号：US06998173B2

公开(公告)日：2006-02-14

申请号：US10292992

申请日：2002-11-13

Applicant: Yixiong Liu ,  Donald A. Botbyl ,  George P. Grab ,  Mark S. Greenfield

Inventor： Yixiong Liu ,  Donald A. Botbyl ,  George P. Grab ,  Mark S. Greenfield

IPC: B32B9/00

CPC classification number: C23C16/34 ,  B22F2003/247 ,  B22F2005/001 ,  B22F2998/00 ,  B22F2999/00 ,  C22C1/055 ,  C22C29/02 ,  C22C29/08 ,  C23C16/36 ,  C23C16/403 ,  C23C30/005 ,  Y10T428/249957 ,  Y10T428/249967 ,  Y10T428/249987 ,  B22F2207/03 ,  B22F3/1007 ,  B22F2201/02

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.