The analysis of experimental data for determining order and kind of regression equation is made using the finite differences. This permits one to describe the features of the end ripper wear at the natural solids at the negative temperature at the Extrema North. Drozd S. G. Contact of spheres with taking account of damage and change in mechanical properties in surface layer. The approach, which allows to model a contact of friction pairs taking into account damages accumulation and change of physico-mechanical properties in coating or in surface layer of contacting bodies, is offered in this article. Change of the contact area characteristics of two spheres with different radius is investigated by modified Herz problem.
Obtained results indicate on the change of contact conditions.
The developed model permits to predict the reliability, durability and beginning of the friction contact pairs destruction. Loukashenko V. I. Analysis of contact parameters calculation of nonmetallic sliding bearings. More exact formula for angle of contact is proposed. Pekoshevski V., Potekha V., Shcherek M., Vishnevsky M. System analysis in tribological tests. A system analysis in tribotests has been accomplished to identify the effect of the environment on the rubbing members of a system and the effect of noise on the reproducibility of the test data.