Fabrication methods are described for producing {HEAD ~ an integrally bladed rotor} wherein {TAIL ~ single crystal blade portions} are securely metallurgically bonded to a polycrystalline disk 
wherein
Fabrication methods are described for producing { HEAD ~ an integrally bladed rotor } wherein { TAIL ~ single crystal blade portions } are securely metallurgically bonded to a polycrystalline disk
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH