Copper-base alloys containing strengthening and ductilizing amou

Alloys or metallic compositions – Copper base – Tin containing

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420486, 420487, 420488, 420492, C22C 900

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044068581

ABSTRACT:
Tensile strength and ductility of copper-base alloys having poor intermediate temperature range ductility are substantially increased by relatively small alloying additions of hafnium or zirconium.

REFERENCES:
patent: 2830898 (1958-04-01), Gwyn, Jr.
patent: 3019102 (1962-01-01), Saarivirta
patent: 3330653 (1967-07-01), Paces et al.
patent: 3392016 (1968-07-01), Opie et al.
Copper Abstracts, "Hafnium as an Alloying Element in Copper, Iron and Nickel", No. 1685, Oct. 1960, p. 9.

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