The structure and mechanical properties of steel with an elevated content of boron are studied after tensile tests at a high temperature. In its initial condition, the structure of the steel contains two types of borides [TiB2 and (Fe, Cr)2B] distributed uniformly in a ferritic matrix. The range of satisfactory process ductility is shown to be 1050 – 1150°C; at 1200°C the metal undergoes brittle fracture due to local fusion of individual regions of the structure.
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This research was conducted with financial support from the Ministry of Education and Science of the Russian Federation for the realization of a project aimed at arranging for high-technology manufacturing in accordance with the theme: “Creation of Modern Facilities for the Production of Storage Racks for Heat-Releasing Rod Assemblies with the Use of High-Boron Steel.”
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 6, pp. 53 – 55, June, 2014.
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Churyumov, A.Y., Khomutov, M.G., Pozdnyakov, A.V. et al. Study of the Structure and High-Temperature Mechanical Properties of a Steel with an Elevated Content of Boron. Met Sci Heat Treat 56, 336–338 (2014). https://doi.org/10.1007/s11041-014-9757-2
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DOI: https://doi.org/10.1007/s11041-014-9757-2