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Анализ причин и условий формирования поверхностных дефектов на горячекатаном прокате из перитектических марок стали, полученных в условиях ОАО «БМЗ – управляющая компания холдинга «БМК»

Анализ причин и условий формирования поверхностных дефектов на горячекатаном прокате из перитектических марок стали, полученных в условиях ОАО «БМЗ – управляющая компания холдинга «БМК»

Abstract

ОАО «БМЗ – управляющая компания холдинга «БМК» производит широкий перечень углеродистых, качественных, легированных и высокоуглеродистых марок стали, среди которых значительную долю занимают стали перитектического класса. В основном из стали данной группы производится прокат, предназначенный для изготовления компонентов для автомобильной промышленности. Процесс производства и разливки данных сталей характеризуется наибольшей нестабильностью и зачастую сопровождается браком и вынужденной отсортировкой продукции. Такая ситуация характерна и для других металлургических предприятий. Поэтому поиск технологических решений, обеспечивающих рост выхода годного при сохранении существующей производительности металлургических агрегатов, – актуальный аспект совершенствования технологии непрерывной разливки сталей перитектического класса. Основной научно‑технической задачей при этом является получение стабильного качества непрерывнолитой заготовки, направленное на предупреждение и исключение образования ряда характерных дефектов, в первую очередь трещин на поверхности непрерывнолитой заготовки и проката. Поиск методов и технологических решений для улучшения качества продукции из стали перитектического класса является целью проводимых исследований. OJSC “BSW – Management Company of the Holding “BMC” produces a wide range of carbon, high‑quality, alloyed and high‑carbon steel grades, among which a significant share is peritectic grade steels. Basically, the steel of this group is used to produce rolled products intended for the manufacture of components for the automotive industry. The process of production and casting of these steels is characterized by the greatest instability and is often accompanied by rejects and forced sorting of products. This situation is typical for other metallurgical enterprises. Therefore, the search for technological solutions that ensure an increase in the yield while maintaining the existing productivity of metallurgical units is an urgent aspect of improving the technology of continuous casting of peritectic grade steels. At the same time, the main scientific and technical task is to obtain a stable quality of continuously cast billets, aimed at preventing and eliminating the formation of a number of characteristic defects, primarily cracks on the surface of continuously cast billets and rolled products. The search for methods and technological solutions to improve the quality of products made of peritectic grade steel is the goal of the ongoing research.

Keywords

Rolled cracks, Continuously cast billets, Steel, Непрерывнолитая заготовка, Сталь, Peritectic steel grades, Surface defects, Перитектические марки стали, Поверхностные дефекты, Раскатанные трещины

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green