Alloys for high temperature applications

Details Alloys for high temperature applications Alloys for high temperature applications

1988-12-22

1992-02-11

Dean, R.

Metal treatment

Compositions

Heat treating

148415, C22F 104

Patent

active

050873016

ABSTRACT:
This invention relates to a metal alloy, comprised of two elements, a solute and a solvent, the solute having a maximum equilibrium solid solubility (at one atmosphere pressure) of less than 1 wt. -% in the solvent, the solvent and the solute dissolved therein forming a matrix phase, the matrix phase having a subgrain structure defined by subgrain boundaries and particles at intersections of the boundaries, the subgrains having an average size of less than 5 microns in diameter, and, within the subgrains a dispersion of particles which are finer than the particles at the subgrain boundaries, both types of particles being harder than the matrix phase.

REFERENCES:
patent: 2966735 (1961-01-01), Towner et al.
patent: 2966736 (1961-01-01), Towner et al.
patent: 3172196 (1965-03-01), Beaver et al.
patent: 4347076 (1982-08-01), Ray et al.
patent: 4464199 (1984-08-01), Hildeman et al.
Savage et al., "Microstructural Characterization of As-Cast Rapidly Solidified Al-Sm, Al-Gd and Al-Er Binary Alloys", Proceedings of an International Conference, S.D. Ca., Feb. 3-5, 1986.

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