Apparatus for making reinforced metal-matrix composites

Details Apparatus for making reinforced metal-matrix composites Apparatus for making reinforced metal-matrix composites

1975-06-20

1976-11-30

Smith, Al Lawrence

Metal fusion bonding

Combined

228176, 228190, 156619, 164276, 425 76, 118491, 118 73, 118620, B05C 315, B32B 1502, B24K 1900

Patent

active

039944280

ABSTRACT:
This invention discloses the structure of, and the method and apparatus for making, improved metal-matrix composites. Each of the composites comprises a strain-hardenable metal matrix, and a plurality of high-strength, high-modulus, elongated reinforcing members arranged in spatial relationship therein. Each of the members is effectively bonded to the surrounding matrix at selected, discrete surface regions along its length so as to locally strain the matrix around the discretely bonded regions upon the composite being suitably stressed. When thus locally strained, the matrix is spatially selectively and differentially strain-hardened and strengthened near the bonded regions. The spheres of influence of the straining and strain-hardening in the matrix near the bonded regions on one member are caused to significantly overlap similar spheres of influence near the neighboring members. This composite structure substantially increases mechanical interaction and load transfer ability between the members because of the intervening hardened and strengthened matrix.

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