Технологічні особливості комбінованого ливарно-індукційного методу одержання тришарових виливків

• Дата: 2023
• Автори: Тимошенко, А. М., Лихошва, В. П., Шматко, О. В., Пелікан, О. А., Ліхацький, Р. Ф.
• Формат: Стаття
• Мова: Ukrainian
• Опубліковано: National Academy of Sciences of Ukraine, Physical-Technological Institute of Metals and Alloys of NAS of Ukraine 2023
• Теми: ливарно-індукційний метод; індукційний нагрів; імітаційне моделювання; тришарова виливка; електромагнітне поле; розплав
• Онлайн доступ: https://plit-periodical.org.ua/index.php/plit/article/view/technological-features-combined-foundry-induction-method-produci
• Назва журналу: Casting Processes

УДК: 621.74.046 Abstract. The technological features of developed casting-induction method for obtaining threelayer «cast iron-steel-cast iron» castings were studied. The specified method consists in the use of induction heating of a steel billet with a high-frequency electromagnetic field in the casting process for obtaining three-layer products. The paper represents mathematical modeling results of temperature fields distribution under the action of electromagnetic fields on a steel workpiece. The main regularities of steel billet temperature changes depending from the current level and heating time have been established. As a result of simulation modeling, the technological parameters of the steel workpiece heating and cooling process were determined, as well as the pouring of the melt during the production of three-layer castings. Obtained dependences between temperature of the poured melt and temperature of the workpiece are necessary to ensure a high-quality connection between the steel inner part and working layer made of cast iron. The results of the experimental testing confirmed the adequacy of the mathematical modeling of the thermal state of the workpiece, as well as the effectiveness of using the developed combined casting-induction method for obtaining three-layer castings.   References 1. Xu, J., Gao, X., Jiang, Z., Wei, D., & Jiao, S. (2016). Microstructure and hot deformation behaviour of high-carbon steel/low-carbon steel bimetal prepared by centrifugal composite casting. The International Journal of Advanced Manufacturing Technology, 86, 817–827. http://dx.doi.org/10.1007/s00170-015-8232-62. Kostenko, G. D., Brechko, E. L., Pelikan, O. A., Kostenko, D. G., Bolgar, S. A., & Klimenko, L. M. (2003). Thermophysical peculiarities of preparation process of bimetallic castings on the iron alloys base. 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