Influence of inclusions on bending fatigue strength coefficient the medium carbon steel melted in an electric furnace

• Autorzy: Lipiński Tomasz , Wach Anna

Identyfikatory

DOI

10.30657/pea.2020.26.18

• Języki publikacji: EN

Abstrakty

EN

The parameters of high-grade steel are influenced by a combination of factors, including chemical composition and production technology. The impurity content is also a key determinant of the quality of high-grade steel. Inclusions may also play an important role, subject to their type and shape. Inclusions may increase the strength of steel by inhibiting the development of micro-cracks. The analyzed material was one grade of medium-carbon structural steel. The study was performed on 6 heats produced in an industrial plant in 140 ton electric furnaces. The experimental variants were compared in view of the five heat treatment options. The results were presented to account for the correlations between the fatigue strength coefficient during rotary bending, the diameter of and spacing between impurities. The relationship between the fatigue strength and hardness of highgrade steel vs. the quotient of the diameter of impurities and the spacing between impurities was determined. The proposed equations contribute to the existing knowledge base of practices impact of impurities with various diameters and spacing between non-metallic inclusion on fatigue strength.

Słowa kluczowe

EN

structural steel; non-metallic inclusions; oxide impurities; fatigue strength; bending fatigue

PL

stal konstrukcyjna; wtrącenia niemetaliczne; zanieczyszczenia tlenkowe; wytrzymałość zmęczeniowa; zmęczenie zginające

• Wydawca: Oficyna Wydawnicza Stowarzyszenia Menedżerów Jakości i Produkcji
• Czasopismo: Production Engineering Archives
• Rocznik: 2020
• Tom: Vol. 26, Iss. 3
• Strony: 88--91
• Opis fizyczny: Bibliogr. 32 poz., rys., tab.

Twórcy

autor

Lipiński Tomasz

• University of Warmia and Mazury in Olsztyn, The Faculty of Technical Sciences, Oczapowskiego 11 St., 10-957 Olsztyn, Poland

autor

Wach Anna

• University of Warmia and Mazury in Olsztyn, The Faculty of Technical Sciences, Oczapowskiego 11 St., 10-957 Olsztyn, Poland

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).