Chapter 4. Production of hollow steel cast structures with a composite and reinforced non-metallic functional filler
Keywords:
reinforced cast structure, reinforcing filler, matrix melt, gas-hydrodynamic conditions, heat exchange processes, computer modeling, polystyrene foam model, foundry steel, alloying, casting from gasifying models, heat treatment of steel, technological processSynopsis
The chapter presents the results of research on the scientific and technological prerequisites for obtaining steel hollow castings with composite and reinforced non-metallic filler by the gasifying pattern casting method.
A system of equations was obtained that describes the gas-hydrodynamic conditions of casting by gasifying patterns with polystyrene patterns saturated with reinforcing elements (AE), and taking into account the heat exchange between AE and the matrix melt during mold filling and casting solidification.
Modern domestic and foreign materials for cast structures for protective purposes were analyzed and the prospects for the use of low-alloy and microalloyed steels were determined. It was established that optimal performance characteristics are achieved under the conditions of the correct selection of heat treatment modes, which provides a combination of high strength with sufficient plasticity.
To determine the influence of composite and non-metallic fillers on the possibility of obtaining a high-quality casting, computer modeling methods were used and the results obtained were verified by full-scale experiments.
The research conducted by the authors at the Physics and Technology Institute of Metals and Alloys of the National Academy of Sciences of Ukraine and carried out within the framework of project No. 2023.04/0029, state registration 0124U003980, supported by a grant from the National Research Foundation of Ukraine under the program "Science for Strengthening the Defense Capability of Ukraine" is of high scientific and practical importance for the manufacture of special-purpose foundry products and will be useful for specialists-manufacturers of foundry products, scientists and scientific and pedagogical workers in the specialty "Metallurgy" (Foundry).
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June 24, 2025
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Shinsky, O., Shalevska, I., Kvasnytska, I., Kaliuzhnyi, P., Neima, O., & Shalevskyi, A. (2025). Chapter 4. Production of hollow steel cast structures with a composite and reinforced non-metallic functional filler. In O. Kuzmin, O. Chemakina, A. Kuzmin, O. Zaporozhets, I. Dudarev, & L. Bal-Prylypko, In press. MODERN TRENDS IN CONSTRUCTION MATERIALS TECHNOLOGIES. Kharkiv: TECHNOLOGY CENTER PC. Retrieved from https://monograph.com.ua/catalog/chapter/825/3771
