B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
26/148
B22F 3/12 (2006.01) B22F 5/04 (2006.01) B22F 7/08 (2006.01) B23P 15/00 (2006.01) F01D 5/34 (2006.01)
Patent
CA 1045798
COMPOSITE TURBINE WHEEL AND PROCESS FOR MAKING SAME Abstract of the Disclosure A process for making a composite integral turbine wheel and the like, consisting of a plurality of blade elements of an airfoil shape connected at their inner ends to the periphery of a sintered rotor or hub and metallurgically bonded thereto. In accordance with the practice of the process, a plurality of identical blade elements in a final machined condition are inserted in a mold at accurate circumferentially-spaced intervals therearound and are disposed such that the inner root sections thereof extend in- wardly of a mold cavity defining the rotor profile. The mold cavity is filled with metal powder composed of a high-strength, temperature- resistant alloy, and sintered into a coherent mass in a manner to effect a metallurgical bonding of the sintered rotor section to the individual blade elements. The resultant integral assembly is thereafter isostatically pressed at an elevated temperature for a period of time to effect a further densification of the sintered rotor section to a density approaching 100% theoretical density.
255705
Reichman Steven H.
Weaver Don M.
LandOfFree
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