Influence that nanosecond electromagnetic pulses have on the acquisition of tin and the properties of its alloys |
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Authors: | V G Komkov V V Gostishchev E Kh Ri S V Dorofeev |
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Affiliation: | 1.Pacific Ocean State University,Khabarovsk,Russia;2.Institute of Materials Science, Far East Division,Russian Academy of Sciences,Khabarovsk,Russia |
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Abstract: | It is established experimentally that the influence that nanosecond electromagnetic pulses (NEMPs) have on the charge melt
during the carbothermic reduction of cassiterite in the Na2CO3-NaNO3 medium (1: 0.3) at t = 900–950°C accelerates the formation of the metal phase by a factor of ∼2 and affects its composition. As the duration of
irradiation increases to 30 min, the tin content in the crude alloy increases to ∼95%. The influence that the NEMP treatment
of the bronze melt has on its physicomechanical properties is revealed. It is shown that the influence of pulses for 10–15-min
increases the alloy density to 8.92 g/cm3, hardness by a factor of 1.24, and thermal conductivity by a factor of 2. |
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