Microstructurally toughened metallic article and method of makin

Details Microstructurally toughened metallic article and method of makin Microstructurally toughened metallic article and method of makin

1988-02-05

1990-03-27

Lechert, Jr., Stephen J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

419 23, 419 28, 419 49, 419 67, 428557, 428558, 428614, B22F 704

Patent

active

049119907

ABSTRACT:
A microstructurally toughened metallic article is disclosed. The article includes discrete metal regions which are enclosed within and separated from each other by a network of metal. The regions are bonded to the network to form stable interfacial boundaries. The article exhibits high impact resistance. The process for making the article is also disclosed. The process includes positioning a plurality of structural elements within a container to define one or more void spaces within the container, introducing a quantity of metallic particles into the void spaces, and then consolidating the container, structural elements, and particles to form the microstructurally toughened article.

REFERENCES:
patent: 3264697 (1966-08-01), Price et al.
patent: 3945555 (1976-03-01), Schmidt
D. W. Kum, T. Oyama, J. Wadsworth and O. D. Sherby, The Impact Properties of Laminated Composites Containing Ultrahigh Carbon (UHC) Steels, J. Mech. Phys., vol. 31, No. 2, pp. 173-186, 1983.

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