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The Functional Properties Acquired by Antifriction Composites Produced from Silumin Grinding Waste

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Powder Metallurgy and Metal Ceramics Aims and scope

The paper analyzes how the antifriction composites produced from AK12MMgN silumin grinding waste with MoS2 solid lubricant additions acquire their structure and porosity. The materials are intended to perform in friction joints at elevated loads of 2.0–4.0 MPa and sliding velocities of 1.0−3.0 m/s in air. It is shown how the process developed for producing these materials influences their structure and tribotechnical properties. The distribution of MoS2 in the AK12MMgN-matrix composite, its role in the self-lubrication mechanism, and the distribution of MoS2 and chemical elements of the friction joint in the contact zone in the sliding friction conditions corresponding to actual operation of joints in a printing machine are studied. The solid lubricant is uniformly distributed over the friction surfaces and thus covers the entire friction zone in the friction process. The tribological films formed in the presence of a MoS2 solid lubricant promote high antifriction properties of the composite produced from silumin waste. These properties allow the operational conditions to be improved and extend the application of new wear-resistant materials produced from recycled materials in contact joints of printing machines.

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Correspondence to T. A. Roik.

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Translated from Poroshkova Metallurgiya, Vol. 57, Nos. 9–10 (523), pp. 37–46, 2018.

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Roik, T.A., Gavrysh, O.A. & Vitsiuk, Y.Y. The Functional Properties Acquired by Antifriction Composites Produced from Silumin Grinding Waste. Powder Metall Met Ceram 57, 526–532 (2019). https://doi.org/10.1007/s11106-019-00011-0

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  • DOI: https://doi.org/10.1007/s11106-019-00011-0

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