Studying the microstructure of AlSiC metal matrix composite material by scanning electron microscopy

The microstructure of fractures in AlSiC metal matrix composite material obtained via vacuum compression impregnation of porous semi-finished materials is studied using a Quanta 200i 3D FEI scanning electron microscope. The disruption of AlSiC samples is shown to be due to the brittle fracturing of...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2013-08, Vol.77 (8), p.981-985
Main Authors: Nishchev, K. N., Novopoltsev, M. I., Mishkin, V. P., Shchetanov, B. V.
Format: Article
Language:English
Subjects:
Adhesion tests
Alloys
Aluminum base alloys
Aluminum matrix composites
Brittle fracture
Composite materials
Disruption
Electron microscopes
Fracturing
Grains
Hadrons
Heavy Ions
Microstructure
Nuclear Physics
Physics
Physics and Astronomy
Plastic deformation
Porous materials
Proceedings of the XXIV Russian Conference on Electron Microscopy (SEM-2012)
Scanning electron microscopy
Silicon carbide
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Summary:The microstructure of fractures in AlSiC metal matrix composite material obtained via vacuum compression impregnation of porous semi-finished materials is studied using a Quanta 200i 3D FEI scanning electron microscope. The disruption of AlSiC samples is shown to be due to the brittle fracturing of the largest grains of silicon carbide and disruption (during plastic deformation) of the material of the matrix alloy located between the grains of the filler. The character of SEM images testifies to considerable adhesion of selected aluminum matrix alloys at matrix-filler interfaces and the high mechanical strength of the material under study.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873813080315