Age-hardening copper titanium alloy

Details Age-hardening copper titanium alloy Age-hardening copper titanium alloy

1984-11-13

1986-07-08

O'Keefe, Veronica

Metal treatment

Stock

Age or precipitation hardened or strengthened

148 115C, 148 127C, 420492, C22C 901

Patent

active

045991197

ABSTRACT:
An age-hardening copper titanium alloy containing 2 to 6% by weight of titanium, and composed of a substantially fully solution heat-treated structure having an average crystal grain size not exceeding 25 microns. When the alloy is cold-rolled after its solution heat treatment, its elongation in the rolling direction and that in a direction perpendicular thereto have a difference of within 20% therebetween, and its bend radius to thickness ratios in those two directions are substantially equal to each other.

REFERENCES:
patent: 2943960 (1960-07-01), Saarivirta
patent: 4110132 (1978-08-01), Parikh et al.
patent: 4260432 (1981-04-01), Plewes
patent: 4425168 (1984-01-01), Goldstein et al.
Mendenhall, Understanding Copper Alloys, Olin Corporation, East Alton, Illinois, 1977, p. 157.
Dutkiewicz, "Electron Microscope Study of the Effect of Deformation on Precipitation and Recrystallization in Copper-Titanium Alloys", Metallurgical Transactions A, vol. 8A, May 1977, pp. 751-761.
Piotrowski et al., "Influence of Vanadium on Structure and Kinetic Transformations in Cu-Ti Alloys", Metals Technology, Dec. 1980, pp. 502-508.

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