Blanks for Forging of powder compact rotor and forged, pressed from powder ROTOR TURBINE AND ITS MANUFACTURING METHODS

摘要

1. The preform (200) for forging a rotor disk (10) of the turbine, comprising: a body (202) of material (8) of special alloy, having a weight of about 2268 kg (5,000 pounds) or more, the material (8) has a special alloy a substantially uniform morphology of the grains and the average grain size of ASTM 10 or menee.2. Forged rotor disk (10), the turbine comprising: a substantially cylindrical disk of material (8) of special alloy, having a weight of about 2268 kg (5,000 pounds) or more, the material (8) special alloy has a substantially uniform morphology of the grains and the average the grain size of approximately ASTM 10 or menee.3. the rotor disk (10) of the turbine according to claim 2, wherein the material (8) comprises a special alloy special alloy based on Fe, Fe-Ni, Ni or Co.4. the rotor disk (10) of the turbine according to claim 2, wherein the average ASTM grain size of from about 10 to about 16.5. The disc (10) The turbine rotor of claim 2, wherein the disc has a central bore (9) and an outer edge (11) and the material (8) has a special alloy elongation and yield strength, the elongation and the yield strength are of substantially identical to the central channel (9) to the outer edge (11) .6. A method of manufacturing a rotor (100) of a turbine comprising: providing a particulate material (110), special alloy, and pressing (120) the special alloy powder material to form a sintered powder compact - forging preform for turbiny.7 rotor disk. Method of manufacture (100) of the turbine rotor according to claim 6, further comprising forging the preform (130) to obtain turbiny.8 rotor disk. The method (100) of the turbine rotor manufacturing according to claim 6, wherein providing a powder material (110) including a special alloy