公开(公告)号：US20040180776A1

公开(公告)日：2004-09-16

申请号：US10763260

申请日：2004-01-26

Applicant: Sandvik AB

Inventor： Gunnar Brandt

IPC: C04B035/577 ,  C04B035/81

CPC classification number: B23B27/148 ,  B23B2228/61 ,  C04B35/117 ,  C04B35/63416 ,  C04B35/64 ,  C04B35/645 ,  C04B2235/3206 ,  C04B2235/3225 ,  C04B2235/3826 ,  C04B2235/5276 ,  C04B2235/666 ,  C04B2235/77 ,  C04B2235/785 ,  C04B2235/786 ,  C04B2235/96

Abstract: An improved cutting tool insert and a method for the preparation of such cutting tool insert, having a sintered alumina and silicon carbide whisker composite material body, comprising the steps of milling and mixing the powdered starting materials of said composite material and forming said material into a preformed workpiece, heating up said workpiece at a heating rate of from about 20 to about 60null C. per minute to a sintering temperature of between from about 1600 to about 2300null C., and holding at said sintering temperature for a holding time of from about 5 to about 60 minutes at a pressure of between from about 20 to about 100 MPa.

Abstract translation: 一种改进的切削工具刀片和用于制备具有烧结氧化铝和碳化硅晶须复合材料体的这种切削刀具刀片的方法，包括以下步骤：研磨和混合所述复合材料的粉末起始材料并将所述材料形成为 预成型工件，以约20至约60℃/分钟的加热速率将所述工件加热至约1600至约2300℃的烧结温度，并在所述烧结温度下保持保持时间 在约20至约100MPa的压力下约5至约60分钟。