The influence of cooling rate in the process of thermal treatment on the formation of the microstructure of 13KhMF heat-resistant steel is investigated. The relationships between the microstructure, strength characteristics, crack-resistance characteristics, and creep resistance of the material are determined. The transformations of the structure are modeled by the changes in the duration of tempering. The bainitemartensite structure is characterized by the best combination of properties and the largest period of transformation of the structure. The comparison of the results of laboratory and long-term in-service degradation and their influence on the structure, strength, and crack-resistance characteristics shows that they are similar.
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Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 46, No. 3, pp. 65–72, May–June, 2010.
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Dzioba, I.R. Properties of 13KhMF steel after operation and degradation under the laboratory conditions. Mater Sci 46, 357–364 (2010). https://doi.org/10.1007/s11003-010-9297-x
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DOI: https://doi.org/10.1007/s11003-010-9297-x