Patent ID: 7935431

Claim:
A cast metal wear part comprising at least two portions, the portions including a cast iron portion comprising iron which has been cast and a reinforced structure portion which include cast iron infused into a conglomerate structure, the cast iron portion forming a portion of the cast metal wear part which is without the conglomerate structure, the conglomerate structure comprising agglomerated particles comprising titanium carbide, the conglomerate structure having pores with cast iron in the pores, the conglomerate structure formed by a chemical in situ reaction between two or more powdered raw materials which have been formed into a shape and are in a metal casting mold, the powdered raw materials being selected from the group consisting of FerroTi, carbon, carbon compounds, titanium, TiO 2 , FeTi, titanium alloys and mixtures thereof, the chemical in situ reaction of the powdered raw materials being triggered and sustained by the heat of molten iron which is cast in the mold with the raw materials and which molten iron infiltrates the conglomerate structure formed by the chemical in situ reaction and resulting in inclusion of cast iron in the conglomerate structure and the formation of the reinforced structure portion in the cast metal wear part at atmospheric pressure without compacting pressure on the powdered raw material during the in situ reaction, each of the two or more powdered raw materials of a type and an amount which is effective for providing the in situ chemical reaction which provides the titanium carbide particles of the conglomerate structure, the conglomerate structure portion infused with the cast iron and cast iron portion during casting, the reinforced structure portion forming an abrasion resistant impact resistant area in the cast metal wear part.