Abstract
We have studied the temperature dependence of the thermal conductivity of a series of experimentally obtained aluminum-silicon alloys with different silicon addition and additional iron content of 1 % by weight. The article shows how the change in the silicon content affects the thermal properties of the experimentally obtained alloys at room temperature. Also, the article describes the character of the change in thermal conductivity when the samples are heated up to 150 °C. Based on the obtained data, we con clude that the alloy containing 4 % silicon by weight is the most prospective for usage as a material for solving heat transfer problems.
Highlights
No 2, 2019 clude that the alloy containing 4 % silicon by weight is the most prospective for usage as a material for solving heat transfer problems
We have studied the temperature dependence of the thermal conductivity of a series of experimentally obtained aluminum-silicon alloys with different silicon addition and additional iron content of 1 % by weight
The article describes the character of the change in thermal conductivity when the samples are heated up to 150 0C
Summary
Температурная зависимость теплопроводности Al-Si-1%Fe сплавов при нагревании до 150 0С. Исследована температурная зависимость теплопроводности серии экспериментально полученных алюминий-кремниевых сплавов с разным легированием кремния и с дополнительным содержанием железа 1 % по массе. В работе показано, как влияет изменение содержания кремния на тепловые свойства экспериментально полученных сплавов при комнатной температуре, а также описан характер изменения теплопроводности при нагревании до 150 0С. На основе полученных сведений сделан вывод, что сплав с содержанием 4 % кремния по массе является наиболее перспективным для использования в качестве материала для решения задач теплообмена. Ключевые слова: алюминий; алюминий-кремниевые сплавы; кремний; теплопроводность; теплообмен; железо; литье; структура; температура. Temperature dependence of thermal conductivity of Al-Si-1%Fe alloys under heating up to 150 0С
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