Abstract
When a core material such as mild steel is used in the powder matallurgical process of making diamond rotary dressers, the welding strength between the core and the infiltrated tungsten powder, which cements the diamond grits, is a matter of great importance. The authors made an experiment searching for a good material which shows a high welding strength to the infiltrated tungsten powder. It was found that a Fe-Cu-C powder mixture and the sintered porous compact of such powder mixture will be a good material if they are used as a core in the powder metallurgical process of making diamond rotary dressers.
