PCD or PcBN tools for the wood industry

US6013117A · kind A · utility

Assignee

• SANDVIK AB · SE

Inventor

• Stefan Ederyd · Boo, SE

Key dates

• Filing date: Jun 30, 1997
• Grant date: Jan 11, 2000
• Expiry date: Jun 30, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/25
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

There is disclosed PCD or PcBN-tools for cutting wood containing 3 to 20 volume % binder phase based in Ni and/or Co. The binder phase comprises in solution, in weight percent, Co max 95, Ni max 95, Cr 5-45. In addition, nitrides and/or carbonitrides of Zr, Ti, Cr, Ta and/or V are evenly distributed in the structure in an amount of less than 50 volume %, preferably 5 to 40%, of the binder phase with a mean grain size less that 5 .mu.m, preferably 0.3 to 4 .mu.m.