Mechanical behavior of B4C particulate-reinforced 7091 aluminum composite

Studies to characterize the microstructure and mechanical properties of B4C particulate reinforced metal matrix composites using 7091 Al alloy matrix material are reported. Tensile and yield strength, and tensile modulus of the monolithic matrix alloy can be improved, but ductility and fracture toug...

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Bibliographic Details
Published in:Scripta metallurgica 1989-08, Vol.23 (8), p.1277-1280
Main Authors: KAI, W, YANG, J.-M, HARRIGAN, W. C. JR
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fatigue, brittleness, fracture, and cracks
Fractures
Materials science
Mechanical and acoustical properties of condensed matter
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Mechanical properties of solids
Metals, semimetals and alloys
Metals. Metallurgy
Physics
Specific materials
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Summary:Studies to characterize the microstructure and mechanical properties of B4C particulate reinforced metal matrix composites using 7091 Al alloy matrix material are reported. Tensile and yield strength, and tensile modulus of the monolithic matrix alloy can be improved, but ductility and fracture toughness need to be improved through optimization of processing parameters. Fractures occurred primarily along the particle/matrix interface. Photomicrographs. 5 ref.--J.C.J.(UK/US).
ISSN:0036-9748
DOI:10.1016/0036-9748(89)90044-6