Method of making dispersion strengthened products

Details Method of making dispersion strengthened products Method of making dispersion strengthened products

1975-04-23

1976-07-13

Stallard, W.

Metal treatment

Compositions

Heat treating

72258, 72363, 148 127R, B23P 300, C22F 108

Patent

active

039691560

ABSTRACT:
Sheet metal or strips are rolled and heated for dispersion hardening. Disks are cut (punched), stacked, and extruded. The disks in the stack may alternate with disks which have not yet been hardened. Subsequent heat treatment of the extruded product strengthens it throughout. The method is used specifically to make a dispersion-strengthened copper alloy to be used for making electrodes for resistance welding.

REFERENCES:
patent: 2471663 (1949-05-01), Tietz
patent: 2625737 (1953-01-01), Spooner
patent: 3251660 (1966-05-01), Finsterwalder
patent: 3717511 (1973-02-01), Wallbaum

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