Abstract
The hardness, strength, and tribotechnical characteristics of a hard-lubricating composite material based on modified K-153A epoxy resin filled with WSe2 particles in an amount of up to 70 wt % are investigated. The compound modified by ~20 wt % WSe2 has the best set of properties: the hardness is ≈79 HRC (on scale L), the compressive strength is ≈155 MPa, the compressive yield strength is ≈90 MPa, the wear intensity under dry sliding friction is ≈0.18 × 10–8 mm3/(N m), and the coefficient of friction is ≈0.2. The material can be recommended for rotaprint application onto the flanges of rolling stock wheels.
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On the part of the Baikov Institute of Metallurgy and Materials Science, this work was performed within the framework of state task no. 075-00715-22-00.
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Translated by K. Shakhlevich
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Lobova, T.A., Kolmakov, A.G., Prutskov, M.E. et al. Strength and Tribotechnical Characteristics of an Epoxy Compound–WSe2 Composite Material. Russ. Metall. 2022, 1284–1292 (2022). https://doi.org/10.1134/S0036029522100342
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DOI: https://doi.org/10.1134/S0036029522100342