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Article

Mechanisms of Oxidation Degradation of Cr12 Roller Steel during Thermal Fatigue Tests

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Faculty of Natural Sciences and Engineering, University of Ljubljana, 1000 Ljubljana, Slovenia
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Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, UK
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Department of Mechanical and Aerospace Engineering, NSIRC, Brunel University London, Cambridge CB21 6AL, UK
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Mechanical and Marine Engineering Laboratory, Marine Research Institute, Klaipėda University, 92294 Klaipėda, Lithuania
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Faculty of Marine Technology and Natural Sciences, Klaipėda University, 91225 Klaipėda, Lithuania
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Authors to whom correspondence should be addressed.
Metals 2020, 10(4), 450; https://doi.org/10.3390/met10040450
Received: 3 March 2020 / Revised: 23 March 2020 / Accepted: 24 March 2020 / Published: 28 March 2020
(This article belongs to the Special Issue Thermal Fatigue Behavior of Roller Steel)
Degradation by the penetration of oxidation into the Cr12 roller steel is evaluated during thermal fatigue tests in the laboratory in the temperature range of 500–700 °C. A qualitative assessment is carried out with regard to the thermal load, the microstructure and the test temperature. The results show that the specific properties of the microstructure with respect to thermal stress and temperature have a significant influence on the oxidation behavior as well as on the crack propagation mode and crack growth. The conditions that lead to an increase in the oxidation rate and thus to premature and sudden local chipping of the roll surface layer are analyzed and explained. View Full-Text
Keywords: steel; thermal cycling; oxidation; interfaces; effects of strain steel; thermal cycling; oxidation; interfaces; effects of strain
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MDPI and ACS Style

Bombač, D.; Gintalas, M.; Kugler, G.; Terčelj, M. Mechanisms of Oxidation Degradation of Cr12 Roller Steel during Thermal Fatigue Tests. Metals 2020, 10, 450. https://doi.org/10.3390/met10040450

AMA Style

Bombač D, Gintalas M, Kugler G, Terčelj M. Mechanisms of Oxidation Degradation of Cr12 Roller Steel during Thermal Fatigue Tests. Metals. 2020; 10(4):450. https://doi.org/10.3390/met10040450

Chicago/Turabian Style

Bombač, David, Marius Gintalas, Goran Kugler, and Milan Terčelj. 2020. "Mechanisms of Oxidation Degradation of Cr12 Roller Steel during Thermal Fatigue Tests" Metals 10, no. 4: 450. https://doi.org/10.3390/met10040450

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