Method for producing large metallic glass bodies

Details Method for producing large metallic glass bodies Method for producing large metallic glass bodies

1979-07-06

1981-11-03

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75200, 75226, B22F 100, B22F 314

Patent

active

042983827

ABSTRACT:
This invention relates to the production of large shapes of metallic glasses from finely-dimensioned ribbons powders, flakes, wires, fibers, or filaments thereof. The inventive method contemplates placing the precursor finely-dimensioned articles of metallic glass into contact with one another and then hot pressing the mass at temperatures in the close vicinity of the glass transition temperature with applied forces of at least 1000 psi. One metallic glass, Fe.sub.58 Cr.sub.14 Cu.sub.6 Si.sub.6 B.sub.6, which is readily shaped into bulk bodies via the inventive method, exhibits excellent resistance to attack by sea water.

REFERENCES:
patent: 4053332 (1977-10-01), Egami et al.
patent: 4063942 (1977-12-01), Lundgren
patent: 4069045 (1978-01-01), Lundgren
patent: 4126287 (1978-11-01), Medelsohn et al.

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