Abstract
The scientific basis for the design of self-lubricating self-aligning sliding bearings with reciprocal motion is presented for the first time. The bearings are used as seismic dampers for bridges, industrial and civil buildings, and oil and gas offshore structures; they are superior to known bearings in carrying and damping capacities. An original experimental-calculation method for determining the life of a frictional pendulum sliding bearing used as a seismic damper is elaborated. It implies the use of the dependences for the wear rate presented in generalized variables. A method for estimating the friction coefficient of frictional pendulum bearings is also developed. The outlook for domestic development of an antifriction self-lubricating coating with preset tribological characteristics is analyzed and the present state of the art is discussed. The studies are based on known developments in the field of tribological materials with account for modern advances in nanotribology. The most promising heat-resistant polymers and fillers, as well as combined mixed antifriction fabrics on their basis, are considered.
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Original Russian Text © Yu.N. Drozdov, V.A. Nadein, V.N. Puchkov, A.P. Krasnov, M.V. Puchkov, 2011, published in Trenie i Iznos, 2011, Vol. 32, No. 6, pp. 538–548.
Based on the materials of a report made at the International Conference “Polymer Composites and Tribology: Polycomtrib-2011,” June 27–30 2011, Gomel, Belarus.
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Drozdov, Y.N., Nadein, V.A., Puchkov, V.N. et al. Sliding bearings used as seismic dampers with composite self-lubricating materials. J. Frict. Wear 32, 404–412 (2011). https://doi.org/10.3103/S1068366611060043
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DOI: https://doi.org/10.3103/S1068366611060043