High modulus shafts

Details High modulus shafts High modulus shafts

1986-11-24

1987-10-27

Rutledge, L. Dewayne

Metal treatment

Stock

Nickel base

148 115N, 148 115P, 148426, C22F 110

Patent

active

047027827

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 modulus <111> crystal texture in the axial direction. The shafts are produced from a nickel base material consisting largely of the compound Ni.sub.3 Si. Hot axisymmetric deformation followed by cold axisymmetric deformation produces an intense singular <111> texture and results in shaft material whose Young's modulus is at least 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 (1982-04-01), Pearson et al.
patent: 4481047 (1984-11-01), Winfree et al.
patent: 4518442 (1985-05-01), Chin

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