Purpose: Functioning of mechanical friction systems largely depends on the characteristics
of the structure of their surface layers. By controlling these parameters, it is possible to
significantly adjust the reliability and durability of parts under the conditions of contact
interaction.
Design/methodology/approach: he proposed approach, which is based on the principle
of nonlocality of the operational properties of materials, allows determining the optimal
microhardness values of the surface layers and the gradient of this parameter, at which the
contact durability of friction pair elements significantly increases.
Findings: It is established that by adjusting the ratios of the surface strength of materials
and its gradient, it is possible to achieve a significant increase in the operational parameters
of friction units.
Practical implications: The engineering relationship considered in the work allows to
establish functional distributions of microhardness in the structure of surface layers, at which
their wear reaches minimum values.
Originality/value: Mathematical approaches are proposed, which allow determining the
parameters of the structure of the surface layers of parts to increase their durability under
conditions of friction contact loads.
Особенности воздействия ионов He и Ar низких энергий на нанопористые Si/SiO-=SUB=-2-=/SUB=--материалы