Methods of transmission electron microscopy and x-ray diffraction analysis are used to study the structure of nanocrystalline layers formed on the surface of strip specimens of quenched and quenched-and-tempered at 400°C spring steel 70S2KhA as a result of friction loading by a hard-alloy indenter.
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Notes
The values of σ0.03 are presented only for the tempered specimens. This is connected with the specificity of the method of measurement of this characteristic under bending loads; the attempts to fit quenched ribbon specimens into the measuring ring resulted in their brittle fracture.
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 4, pp. 40 – 43, April, 2014.
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Baraz, V.R., Fedorenko, O.N., Khadyev, M.S. et al. Effect of Friction Deformation on the Structure and Properties of a Martensitic Spring Steel. Met Sci Heat Treat 56, 210–213 (2014). https://doi.org/10.1007/s11041-014-9733-x
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DOI: https://doi.org/10.1007/s11041-014-9733-x