STP497

    Analysis of an Improved Boron/Aluminum Composite

    Published: Jan 1972


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    Abstract

    Improvements in the mechanical properties of a boron/aluminum composite material have been achieved through thermal treatments and the addition of small amounts of high strength stainless steel wires perpendicular to the boron. This study provides an analysis of these improved composite materials, utilizing scanning electron microscopy and X-ray radiography to examine the micromechanics of the composites and their fiber and matrix components. Phenomena analyzed and discussed are matrix-matrix bonding, filament-matrix bonding, matrix failure, filament damage, and fracture initiation and propagation.

    Keywords:

    composite materials, boron, aluminum alloys, stainless steels, wire, filaments, laminates, heat treatment, work hardening, mechanical properties, tensile strength, shear strength, cracking (fracturing), failure, damage, tension tests, electron microscopes, scanning, radiography, microstructure, dissimilar materials bonding


    Author Information:

    Jones, RC
    Associate professor of civil engineeringchairman, Massachusetts Institute of TechnologyOhio State University, CambridgeColumbus, Mass.Ohio

    Christian, JL
    Staff scientist, General Dynamics Convair, San Diego, Calif.


    Paper ID: STP27762S

    Committee/Subcommittee: D30.04

    DOI: 10.1520/STP27762S


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