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Original scientific paper

Study on the stability of retained austenite in marine steel

X. Z. He ; University of Science and Technology Liaoning, China
J. G. Li ; University of Science and Technology Liaoning, China
L. Yan ; State Key Laboratory of Metal Materials for Marine Equipment and Application, Ansteel Group Research Institute, China
X. Y. Zhang ; University of Science and Technology Liaoning, China

Fulltext: english, pdf (1 MB) pages 159-162 downloads: 68* cite
APA 6th Edition
He, X.Z., Li, J.G., Yan, L. & Zhang, X.Y. (2020). Study on the stability of retained austenite in marine steel. Metalurgija, 59 (2), 159-162. Retrieved from https://hrcak.srce.hr/232450
MLA 8th Edition
He, X. Z., et al. "Study on the stability of retained austenite in marine steel." Metalurgija, vol. 59, no. 2, 2020, pp. 159-162. https://hrcak.srce.hr/232450. Accessed 22 Oct. 2020.
Chicago 17th Edition
He, X. Z., J. G. Li, L. Yan and X. Y. Zhang. "Study on the stability of retained austenite in marine steel." Metalurgija 59, no. 2 (2020): 159-162. https://hrcak.srce.hr/232450
Harvard
He, X.Z., et al. (2020). 'Study on the stability of retained austenite in marine steel', Metalurgija, 59(2), pp. 159-162. Available at: https://hrcak.srce.hr/232450 (Accessed 22 October 2020)
Vancouver
He XZ, Li JG, Yan L, Zhang XY. Study on the stability of retained austenite in marine steel. Metalurgija [Internet]. 2020 [cited 2020 October 22];59(2):159-162. Available from: https://hrcak.srce.hr/232450
IEEE
X.Z. He, J.G. Li, L. Yan and X.Y. Zhang, "Study on the stability of retained austenite in marine steel", Metalurgija, vol.59, no. 2, pp. 159-162, 2020. [Online]. Available: https://hrcak.srce.hr/232450. [Accessed: 22 October 2020]

Abstracts
The residual austenite stability in marine steel was studied by different heat treatment processes. After heat-treatment process 1 (quenching + tempering) and heat treatment process 2 (quenching + intercritical annealing + tempering), the austenite content was determined by X-ray diffraction (XRD), and the microstructure of the test steel was tested by Scanning electron microscope (SEM), Transmission electron microscope(TEM), and Electron Backscattered Diffraction (EBSD). Experimental results showed that the microstructure of the test steel consisted of martensite/ bainite + ferrite + retained austenite. The retained austenite volume fractions were 20,8 % and 18,1 %, respectively, for process 1 and process 2.The retained austenite morphology, C content, distribution, and grain size all affect a steel’s thermal and mechanical stability. Film-like residual austenite with high C content and fine grain size has the best stability.

Keywords
marine steel; heat treatment; microstructure; retained austenite; mechanical stability

Hrčak ID: 232450

URI
https://hrcak.srce.hr/232450

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