Process for producing granular material and shaped parts from hard metal materials or cermet materials

US5860055A · kind A · utility

Assignee

• BASF SE

Inventors

• Werner Hesse · Großburgwedel, DE
• Knut Bittler · Speyer, DE

Key dates

• Filing date: Mar 24, 1997
• Grant date: Jan 12, 1999
• Expiry date: Mar 24, 2017

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B22F2998/00
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

In a process for producing granular material in which at least one hard material phase is mixed with a metal powder and a binder and granulated, no premixing of the hard material phase and the metal powder takes place before mixing with the binder and the binder has a viscosity of from 20 to 200 cm.sup.3 /10 min, preferably from 30 to 100 cm.sup.3 /10 min, in accordance with DIN 53735 at 195.degree. C. and a load of 2.16 kg.