Technologıcal Methods of Increasıng Bearıng Performance
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The tribological characteristics of bearing shells manufactured using various technologies have been studied. The results obtained allow us to determine the most technologically advanced method. One of the main requirements for load-bearing shells is the absence of macrostresses in the surface layers of the load-bearing shells, leading to their destruction. The studies were carried out only in near-surface areas. The results obtained show that there are no macrostresses in antifriction coatings obtained by ion-plasma and galvanic methods.
An important feature is the high adhesion strength of the antifriction layers to the base.
Adhesion tests were carried out on samples cut from liners obtained by the acoustic method. The greatest adhesion strength is observed with ion plasma coating, it is 22 MPa.
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