Glass fiber metal matrix composites

a technology of metal matrix composites and glass fibers, applied in the field of fiber reinforced metal matrix composites, can solve the problem of complex materials and high cos

Inactive Publication Date: 2005-06-23
TOUCHSTONE RES LAB
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Benefits of technology

[0006] The present invention is directed to using glass fibers as the reinforcing material in fiber reinforced metal matrix composites. The invention includes a metal matrix composite having a metal matrix body portion and glass fibers distributed in the metal matrix body portion. The glass fibers may be infiltrated by the metal matrix. Additionally, the glass fibers may be distributed substantially uniformly in the metal matrix. Still further, at least a portion of the glass fibers may be continuous glass fibers. The glass fibers may be glass fibers, S-glass, E-glass fibers, soda-lime-silica fibers, basalt fibers, quartz fibers, or other similar glassy fibers. Further, the glass fibers may be in the form of woven and/or braided glass fibers, or non-woven glass fibers. The metal matrix is not particularly limited. The me

Problems solved by technology

However, these composites are often expe

Method used

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  • Glass fiber metal matrix composites
  • Glass fiber metal matrix composites

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[0018] High strength S-2 glass fibers listed in Table I were infiltrated with a metal matrix by passing the glass fibers into an aluminum bath, passing the fibers near an ultrasonic waveguide, and removing the infiltrated fibers from the aluminum bath. The glass fibers were supplied from Advanced Glassfiber Yarns.

TABLE IGlass FibersLoss onFilamentIgnition (LOI)YieldFilamentDiameterID(%)(yds / lb)TexDenierCount(μm)721B-AA-7500.657506605940173014365-225-TRL2880.72252200 19,800  173023933-AA-3750.233751325 11,880  16,320  9933-AA-7500.23750660594081609463-AA-7501.0750660594081609449-AA-2500.652501980 17820 24,480  9

[0019] A pure aluminum bath and an aluminum with 12% silicon bath were used in the process. The aluminum bath temperature was held constant at 1350° C. The ultrasonic probe positioned was varied between 0.125 and 0.250 inches from the glass fibers. The ultrasonic amplitude was varied between settings of 30 and 60 and the processing speed was varied between 36 inches per minu...

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Abstract

A glass fiber reinforced metal matrix composite is described. The composite includes glass fibers distributed in a metal matrix body. The fibers may be uniformly distributed in the metal matrix and may include continuous lengths of the glass fibers. The glass fibers may be glass fibers, S-glass, E-glass fibers, soda-lime-silica fibers, basalt fibers, quartz fibers, or other similar glassy fibers. The metal matrix may include aluminum or alloys of aluminum as well as other metals and alloys.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] The present application claims priority to U.S. Provisional Patent Application No. 60 / 525,848, filed Dec. 1, 2003, specifically herein incorporated by reference in its entirety.[0002] This invention was made with Government support under contract number DAAD 19-01-2-0006 awarded by the Army Research Laboratory. The Government has certain rights in the invention.FIELD OF THE INVENTION [0003] The invention relates to fiber reinforced metal matrix composites. More particularly, the invention relates to glass fiber reinforced metal matrix composites and methods for making the same. BACKGROUND OF THE INVENTION [0004] The next generation of high technology materials for use in aerospace and aircraft applications will need to possess high temperature capability combined with high stiffness and strength. Plates and shells fabricated from laminated metal matrix composites, as opposed to monolithic materials, provide the potential for meeting the...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22C47/08C22C49/02C22C49/06C22C49/14
CPCB22F2998/00C22C47/068C22C49/14C22C47/08
Inventor JOSEPH, BRIAN E.GORDON, BRIAN L.HART, KENNETH A.POLSINELLI, JOSEPH A.WITZGALL, JAMES F.WOLFE, GREGG W.
Owner TOUCHSTONE RES LAB
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