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Article

Numerical Verification of Tests on the Influence of the Imposed Thermal Cycles on the Structure and Properties of the S700MC Heat-Affected Zone

Department of Welding Engineering, Silesian University of Technology, Konarskiego 18A, 44-100 Gliwice, Poland
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Metals 2020, 10(7), 974; https://doi.org/10.3390/met10070974
Received: 30 June 2020 / Revised: 16 July 2020 / Accepted: 18 July 2020 / Published: 20 July 2020
(This article belongs to the Special Issue Fusion Welding)
The article presents the results of studies on the influence of simulated thermal cycles parameters on the structure and properties of the heat-affected zone (HAZ) of thermo-mechanically rolled S700MC steel. For this purpose, resistance heating tests of the tested samples were carried out to determine the effect of maximum temperatures of the imposed thermal cycles with different maximum temperatures at a constant cooling time in the temperature range between 800 and 500 °C (t8/5) and to study the influence of changes of this time on the structure and hardness as well as the tensile strength, elongation and toughness of the simulated HAZ in S700MC steel. The results of the tests, were supported by the results of finite element method (FEM) analyses in the VisualWeld (SYSWELD Code) software of the ESI Group. Selected heat distributions during heating, distributions of individual metallurgical phases and hardness were compared with results from real tests. On the basis of the results presented, an attempt was made to explain the decrease in mechanical and plastic properties in the HAZ area caused by the influence of the welding heat cycle. View Full-Text
Keywords: FEM; numerical analyses; thermal cycle; S700MC; phase transformation; toughness FEM; numerical analyses; thermal cycle; S700MC; phase transformation; toughness
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MDPI and ACS Style

Kik, T.; Górka, J.; Kotarska, A.; Poloczek, T. Numerical Verification of Tests on the Influence of the Imposed Thermal Cycles on the Structure and Properties of the S700MC Heat-Affected Zone. Metals 2020, 10, 974. https://doi.org/10.3390/met10070974

AMA Style

Kik T, Górka J, Kotarska A, Poloczek T. Numerical Verification of Tests on the Influence of the Imposed Thermal Cycles on the Structure and Properties of the S700MC Heat-Affected Zone. Metals. 2020; 10(7):974. https://doi.org/10.3390/met10070974

Chicago/Turabian Style

Kik, Tomasz, Jacek Górka, Aleksandra Kotarska, and Tomasz Poloczek. 2020. "Numerical Verification of Tests on the Influence of the Imposed Thermal Cycles on the Structure and Properties of the S700MC Heat-Affected Zone" Metals 10, no. 7: 974. https://doi.org/10.3390/met10070974

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