A method is considered for panoramic crystallographic analysis of bainite and martensite structures based on images of crystal lattice curvature and making it possible to identify α-phase varieties, and also to determine their volume fraction. The method is proven successfully for high-temperature alloy steels, for which by means of dilatometry and expert evaluation of metallographic images a characteristic scale is plotted for lattice curvature, whose ranges correspond to bainite and martensite structural types.
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The work was carried out with financial support of the Russian Federation Ministry of Education and Science within Subsidy Agreement No. 14.579.21.0003, project unique identifier RFMEF157914X0003.
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Translated from Metallurg, No. 11, pp. 91–95, November, 2014.
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Zisman, A.A., Petrov, S.N. & Ptashnik, A.V. Quantitative Verification of High-Strength Alloyed Steel Bainite-Martensite Structures by Scanning Electron Microscopy Methods. Metallurgist 58, 1019–1024 (2015). https://doi.org/10.1007/s11015-015-0034-4
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DOI: https://doi.org/10.1007/s11015-015-0034-4