Influence of the external magnetic field on the structure and properties of the hypereutectic aluminum-silicon alloy

  • 1 National Technical University of Ukraine "Kyiv Polytechnic Institute named after Igor Sikorskyi" - Kyiv, Ukraine
  • 2 Physical Technological Institute of Metals and Alloys, National Academy of Science of Ukraine


The effect of a constant magnetic field during the crystallization of a hypereutectic aluminum alloy on its structure in the solid state investigated. It is shown that the superposition of the magnetic field positively affects the structure of the alloy. A uniform distribution of the doped phases and eutectic in the volume of the alloy is observed. The phase of primary silicon significantly changes the size and the shape. It is established that the influence of an external magnetic field reduces the dimensions of the shrinkage defects. In general, the effect of an external magnetic field on the structure of the alloy leads to an improvement in the operational properties. The obtained measurement results showed more stable hardness values over the cross section of the sample in comparison with the alloy that was not processed.



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