Microstructurally toughened metal matrix composite article and m

Details Microstructurally toughened metal matrix composite article and m Microstructurally toughened metal matrix composite article and m

Filed on

1988-02-05

Date issued

1989-12-05

Examiner

Nelson, Peter A.

Patent Class

Stock material or miscellaneous articles

SubClass

All metal or with adjacent metals

SubSubClass

Having metal particles

Other Related Categories

419 8, 419 48, B22F 300

Type

Patent

Status

active

Patent number

048852120

Description

ABSTRACT:
A microstructurally toughened ceramic-particle-reinforced metal-matrix composite article is disclosed. The article exhibits a complex microstructure. The article exhibits high tensile strength, high elastic modulus and high impact resistance. A process for making the article is also disclosed. The process includes positioning structural elements within a metallic container to define one or more void spaces within the container, introducing a quantity of metallic particles or of a particular mixture of metallic particles and ceramic particles into the void spaces, and consolidating the container, structural elements and particles to form the microstructurally toughened composite article.

REFERENCES:
patent: 3803702 (1974-04-01), Bratt
patent: 4025313 (1977-05-01), Slatts
patent: 4721598 (1988-01-01), Lee
patent: 4756677 (1988-07-01), Hribernik et al.
patent: 4793967 (1988-12-01), Pryor et al.
patent: 4808485 (1989-02-01), Prewo et al.
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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