Abstract
It is shown that melting and casting of cast iron with flaky graphite are the complex physical and chemical nanostructural processes. The majorrole in these processis played by the centers of crystallization of dendrites of graphite, graphite nanocrystals, the dissolved and adsorbed oxygen. The modifying ligature of FS75 is used to decrease concentration of the adsorbed oxygen and to fusion enrichment by the centers of crystallization of dendrites of graphite.
Highlights
В настоящее время в Беларуси наибольшее количество отливок получают из чугуна с пластинчатым графитом (ЧПГ).
Плавка, литье, модифицирование, нанокристаллы, центры кристаллизации, дендриты аустенита, дендриты графита, адсорбированный кислород.
Cast iron with flaky graphite, melting, casting, modifying, nanocrystals, the centers of crystallization, austenite dendrites, graphite dendrites, the adsorbed oxygen.
Summary
В настоящее время в Беларуси наибольшее количество отливок получают из чугуна с пластинчатым графитом (ЧПГ). Плавка, литье, модифицирование, нанокристаллы, центры кристаллизации, дендриты аустенита, дендриты графита, адсорбированный кислород. Cast iron with flaky graphite, melting, casting, modifying, nanocrystals, the centers of crystallization, austenite dendrites, graphite dendrites, the adsorbed oxygen. Для повышения механических и технологических свойств отливок расплав чугуна при температуре 1370–1430 °С обрабатывают модифицирующей лигатурой ФС75.
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