An integrally bladed rotor is provided. This rotor includes a ring component (20), wherein the ring component (20) further includes at least one metal matrix composite (18) and a continuous radially outwardly facing conical surface (24); an airfoil component (10), wherein the airfoil component (10) further includes a plurality of individual airfoil blades (12), wherein at least a portion of each individual airfoil blade (12) has been reinforced with at least one metal matrix composite (18), and wherein each of the plurality of airfoil blades (12) further includes a radially inwardly facing blade conical surface (14); wherein the ring component and airfoil component have been frictionally engaged to effect an inertia weld therebetween along the conical surfaces (14,24).
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