Structure and strength of Al-Si alloys obtained by the Stepanov method |
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Authors: | S P Nikanorov B K Kardashev B N Korchunov V N Osipov S N Golyandin |
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Institution: | 1. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia
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Abstract: | Al-Si alloy samples with a silicon content from 8 to 15 wt % were obtained by the Stepanov method at solidification rates of 102 and 103 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. |
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