High modulus shafts

Details High modulus shafts High modulus shafts

1982-09-22

1984-11-06

Rutledge, L. Dewayne

Metal treatment

Stock

Nickel base

148 115N, 148 115P, C22C 1903, C21D 700

Patent

active

044810474

ABSTRACT:
High modulus turbine shafts are described as are the process parameters for producing these shafts. The shafts have a high modulus as a result of having high <111> texture in the axial direction. The shafts are produced from a nickel base material having a strengthening phase and a moderate to high stacking fault energy. A combination of hot axisymmetric deformation followed by cold axisymmetric deformation produces an intense singular <111> texture and results in shaft material whose modulus is on the order of 25% greater than that of the steel materials used in the prior art.

REFERENCES:
patent: 3982973 (1976-09-01), Peters et al.
patent: 4110131 (1978-08-01), Gessinger
patent: 4328045 (1982-05-01), Pearson et al.

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