title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ð¸ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²Ð° Ð²Ð¸ÑÐ¼ÑÑÑÐ¾Ð´ÐµÑÐ¶Ð°ÑÐ¸Ñ Ð³ÑÑÐ¿Ð¿ Ð¼Ð°ÑÐ¾Ðº Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ½ÑÑ ÑÑÐ°Ð»ÐµÐ¹ Ð¸ ÐµÐµ ÐºÐ¾Ð¼Ð¼ÐµÑÑÐ¸Ð°Ð»Ð¸Ð·Ð°ÑÐ¸Ñ Ð´Ð»Ñ Ð¼ÐµÑÐ°Ð»Ð»ÑÑÐ³Ð¸ÑÐµÑÐºÐ¸Ñ ÐºÐ¾Ð¼Ð¿Ð°Ð½Ð¸Ð¹
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Development of technology for the production of bismuth-containing groups of free-cutting steels grades and its commercialization for metallurgical companies
Creators: name: Ð Ð¾Ð²Ð±Ð¾, ÐÐ½Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2024
Subjects: Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ½Ð°Ñ ÑÑÐ°Ð»Ñ
Ð²Ð¸ÑÐ¼ÑÑ
ÑÐ¸ÑÑÐ¾Ð²Ð¾Ð¹ Ð¸Ð½Ð¶Ð¸Ð½Ð¸ÑÐ¸Ð½Ð³
Ð¾Ð±ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐµÐ·Ð°Ð½Ð¸ÐµÐ¼
ÑÐ¸Ð½Ð°Ð½ÑÐ¾Ð²Ð¾Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
ÐºÐ¾Ð¼Ð¼ÐµÑÑÐ¸Ð°Ð»Ð¸Ð·Ð°ÑÐ¸Ñ
free-cutting steel
bismuth
digital engineering
machining
financial modeling
commercialization

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description: Purpose of work: development of technology for production of a new product of free-cutting steel with increased machinability by cutting instead of lead-containing one for enterprises of the automotive industry using the tools of modern digital engineering. Bismuth is one of the most promising elements that allow to largely eliminate the use of sulfur and lead added to modern free-cutting steel. To determine the optimal amount of this element and to develop an effective production technology, modern tools of digital engineering were applied, the results of which were confirmed by comparison with experimental studies of inclusions in pilot ingots and rolled products of the most widespread in the domestic automotive industry free-cutting steel grade AB40X with different content of bismuth and sulfur. The current state of the free-cutting steel market in the metallurgical industry was analyzed and the possibilities of replacement of traditional free-cutting steel by free-cutting steel with bismuth were analyzed. The technology of production of bismuth-containing groups of grades of free-cutting steel was developed. Designing of the technology of bismuth-containing steel production has been carried out. The technology was tested in laboratory and industrial conditions. The model of product commercialization based on financial modeling has been built. Optimal concentrations of bismuth and sulfur necessary for the formation of the required number of inclusions have been determined based on experimental and computational study.