Structure and strength of Al-Si alloys obtained by the Stepanov method

Al-Si alloy samples with a silicon content from 8 to 15 wt % were obtained by the Stepanov method at solidification rates of 10 2 and 10 3 µm s −1 . Tensile and bending strain diagrams were studied at a strain rate of about 10 −4 s −1 . The microstructure of the samples was investigated. It was foun...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2009-10, Vol.73 (10), p.1391-1394
Main Authors: Nikanorov, S. P., Kardashev, B. K., Korchunov, B. N., Osipov, V. N., Golyandin, S. N.
Format: Article
Language:English
Subjects:
Alloys
Aluminum base alloys
Eutectics
Hadrons
Heavy Ions
Nuclear Physics
Physics
Physics and Astronomy
Proceedings of the XVIII St. Petersburg Readings on the Problems of Crystal Strength and Growth Dedicated to the Memory of A.V. Stepanov
Solidification
Strain rate
Tensile strength
Yield strength
Yield stress
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Summary:Al-Si alloy samples with a silicon content from 8 to 15 wt % were obtained by the Stepanov method at solidification rates of 10 2 and 10 3 µm s −1 . Tensile and bending strain diagrams were studied at a strain rate of about 10 −4 s −1 . The microstructure of the samples was investigated. It was found that the silicon content in the eutectic structure of the alloy grows as the solidification rate increases. The yield stress and the tensile strength increase as the silicon content grows.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873809100207