Abstract:In the present work the toughness of powder metallurgical tool steels and Metal Matrix Composites (MMC) is being investigated, specifically the influences of heat treatment and the addition of hard phases on the fracture toughness KIc. The experimental materials are cold work tool steel X230CrVMo13-4 as well as hot work tool steel X40CrMoV5-1 with coarse hard phases of the type titanium carbide (TiC), and fused tungsten carbide (FTC) in contents of 0, 10 and 30 vol.-%. The materials were produced by hot isosta… Show more
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