Designing of X46Cr13 Steel Heat Treatment in Condition of Casting Mould

• Autorzy: Przyszlak Natalia , Piwowarski Grzegorz

Identyfikatory

DOI

10.24425/afe.2023.144304

• Języki publikacji: EN

Abstrakty

EN

The paper presents issues related to the technology of layered castings manufactured in the system: working part made of high-chromium steel X46Cr13 - base part made of gray cast iron with flake graphite, using the mould cavity preparation technology. Considering the high hardenability of the above-mentioned steel grade, the aim of the research was to optimize the casting parameters of gray cast iron in such a way that it would be possible to perform heat treatment of X46Cr13 steel directly in the casting mould. As part of the research, the geometry of the working and base parts of layered castings was selected, and guidelines for mould technology from the point of view of the moulding sand were developed. In order to control the cooling rate, three matrix of the moulding sand were used - quartz sand, chromite sand and silicon carbide, with the same granularity. The thermal conductivity coefficient of sands made on selected matrix, bound with synthetic resin in the ratio of 30:1, was experimentally determined. Then, the bimetal casting process in a given mass was simulated in the MagmaSoft® (ver. 5.4.1). The purpose of the simulation was to determine the maximum virtual temperature Tm in the thermal center of the outer surface of the X46Cr13 steel insert. From the point of view of the research purpose, the insert was expected to heat up to the austenitization temperature, i.e. at least 950°C.

Słowa kluczowe

EN

layered casting; bimetal; high chromium steel; grey cast iron

PL

odlew warstwowy; bimetal; stal wysokochromowa; żeliwo szare

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2023
• Tom: Vol. 23, iss. 2
• Strony: 119--126
• Opis fizyczny: Bibliogr. 26 poz., il., tab., wykr.

Twórcy

autor

Przyszlak Natalia

• Silesian University of Technology, Faculty of Mechanical Engineering, Gliwice, Poland

• https://orcid.org/0000-0003-1683-0001

autor

Piwowarski Grzegorz

• AGH University of Science and Technology, Faculty of Foundry Engineering, Krakow, Poland

• https://orcid.org/0000-0003-3616-6478

Bibliografia

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