Abstract
The results of research to determine the influence of the amount of carbon in chromium cast irons on the formation of castings in sand and combined molds are described in the article. Experimental studies were carried out with casting samples from wearresistant cromium cast iron with different carbon contents. The microstructure of the obtained samples is presented, and its analysis is performed. Numerical studies have been carried out to evaluate the effect of the carbon content on the dynamics and kinetics of hardening of castings in sand and combined molds. The influence of the carbon content on the hardening process of cromium cast iron castings during foundry casting in sand and combined molds is established. The results of the research were used for the manufacture parts of crushing and grinding equipment.
Highlights
Описаны результаты исследований по определению влияния количества углерода в хромистых чугунах на формирование отливок при литье в песчаную и комбинированную формы
The results of research to determine the influence of the amount of carbon in chromium cast irons on the formation of castings in sand and combined molds are described in the article
Numerical studies have been carried out to evaluate the effect of the carbon content on the dynamics and kinetics of hardening of castings in sand and combined molds
Summary
М. АНДРИЕНКО, Институт технологии металлов НАН Беларуси, г. Описаны результаты исследований по определению влияния количества углерода в хромистых чугунах на формирование отливок при литье в песчаную и комбинированную формы. Экспериментальные исследования проводились при литье образцов из износостойкого хромистого чугуна с разным содержанием углерода. Представлена микроструктура полученных образцов, выполнен ее анализ. Проведены численные исследования для оценки влияния количества углерода на динамику и кинетику затвердевания отливок в песчаной и комбинированной формах. Установлено влияние количества углерода на процесс затвердевания отливок из хромистого чугуна при литье в песчаную и комбинированную формы. Результаты исследований использованы для изготовления деталей дробильно-размольного оборудования. Износостойкий хромистый чугун, комбинированная форма, песчаная форма, влияние углерода
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