A study of the chemical composition of scale and metal on the outer surface of the superheater tube made of austenitic chromium-manganese (Cr-Mn) steel grade DI59 after prolonged operation is presented. It is shown that a modified layer is formed on the metal consisting predominantly of a ferromagnetic phase of á-Fe (ferrite). The thickness of the layer contains information about tube operating conditions. Results are provided for application of magnetic ferritometry to determine thermal inhomogeneity and steam heater residual life.
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Translated from Élektricheskie Stantsii, No. 12, December 2018, pp. 21 – 25.
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Bogachev, V.A., Pshechenkova, T.P. Magnetic Ferritometry of Thermal Inhomogeneity with Determination of Residual Life of a Steam Heater Made of Steel Grade DI59. Power Technol Eng 53, 89–93 (2019). https://doi.org/10.1007/s10749-019-01041-9
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DOI: https://doi.org/10.1007/s10749-019-01041-9