On the basis of the quantum-chemical method, the possibility of using a liquid lubricant containing a fine powder of the Al-Mg-Li system is considered. It provides a high-quality process of metal cladding of steel friction surfaces and, as a result, an increase in the resource of a single application of a liquid lubricant and the resource characteristics of the tribological system “wheel rail”.
Modeling methods play a significant role in the operation, diagnostics, and prediction of the current state of various mechanical systems. The authors have developed fundamentally new approaches to solving problems of optimization, increasing the efficiency and competitiveness of nonlinear technical systems. Test facility investigations of closed friction units of mobile systems using a lubricant with the aluminum powder insertion were carried out. Test bench allows simulating a reciprocating motion. The analysis of research demonstrates the stabilizing effect of such a lubricant on the tribothermodynamics of the friction unit.
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