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Fracture of boron filaments in an aluminum matrix.The B-Al composite specimens tested in this study were fabricated by diffusion bonding of 1230 aluminum foil and boron filaments placed in alternate layers, using an acrylic resin solution to maintain filament spacing. The specimens were put under tensile stresses parallel to the filaments, and filament fracture was monitored acoustically under loads. Fracture of specimens under loads was caused by break propagation with a characteristic wedge-type fragmentation pattern indicating its direction. The aluminum foil matrix of the specimens failed by ductile shear type fracture after the break of the filaments.
Document ID
19720051989
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Steele, J. H.
(Virginia Polytechnic Institute and State University Blacksburg, Va., United States)
Herring, H. W.
(NASA Langley Research Center Hampton, Va., United States)
Date Acquired
August 6, 2013
Publication Date
January 1, 1972
Subject Category
Materials, Nonmetallic
Meeting Information
Meeting: Advanced materials: Composites and carbon; Symposium
Location: Chicago, IL
Start Date: April 26, 1971
End Date: April 28, 1971
Accession Number
72A35655
Distribution Limits
Public
Copyright
Other

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