Effect of Non-Linear Properties of Intermediate Layer on Sliding Contact of Homogeneous and Coated Elastic Solids

Lubrication in the contact area can be considered as a viscoelastic layer, especially presence of particles it, or under conditions low temperatures. The properties this layer are often non-linear, particular, they depend on local pressure. paper presents formulation and numerical-analytical method for solving problem layers, compliance which depends applied pressure is included corresponding operator. homogeneous coated elastic half-space. For selected type operator, influence parameters, characterize nonlinearity model, distribution coefficient friction due to hysteresis losses was analyzed. It shown that nonlinear maximum pressures higher, lower than linear model with constant compliance. effect non-linearity wide range sliding velocities considered. An analysis principal shear tensile-compressive stresses half-space coating, coating-substrate interface, also carried out.