Alloy strengthening by hydridation

Details Alloy strengthening by hydridation Alloy strengthening by hydridation

1979-08-01

1981-01-27

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

148 132, 423641, 423646, C01G 2500

Patent

active

042473276

ABSTRACT:
Strengthening and hardening of metallic alloys has formerly been effected by inclusion of various metal and metal oxide additives. According to the invention, alloys having face-centered cubic structure are strengthened and hardened by the inclusion of one or several hydrides which are formed upon interstitial diffusion of hydrogen. Inclusion of hydrogen is conveniently effected in a shaped body of an alloy comprising a first and a second, more easily hydrided component by exposure to a hydrogen atmosphere at elevated temperature.
Resulting alloys also have essentially scale-free surface, high electrical conductivity, and high creep resistance. Hydrided alloys may be shaped, e.g., into electrical components such as wire and switch elements.

REFERENCES:
patent: 3184835 (1965-05-01), Coxe et al.
patent: 3829552 (1974-08-01), Reed
patent: 3922180 (1975-11-01), Fuchs et al.
Renner, J. et al., Berichte Der Dunsen Gesellschaff Fur Phys.Chemie, 76 (1972) p. 759.
Renner, J. et al., Z. Mettalkde, 63 (5), (1972) 289-294.
Kadel et al., J. Less-Common Metals, 65 (1979) 89.
OFHC Brand Copper--Report, The American Metal Co., Ltd. p. 92-100.

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