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Molecular mechanisms of self-organization at friction. Part VI. Analysis of thermodynamic features of tribochemical reactions
被引：4
|作者：
A. S. Kuzharov
S. B. Bulgarevich
V. E. Burlakova
A. A. Kuzharov
E. E. Akimova
机构：
[1] Don State Technical University,
[2] Rostov State University of Communications,undefined
关键词：
tribosystem;
non-equilibrium thermodynamics;
thermodynamic affinity;
tribochemical reactions;
D O I：
10.3103/S1068366607020146
中图分类号：
学科分类号：
摘要：
Thermodynamic characteristics of non-spontaneous chemical reactions induced by friction are evaluated using the expression for the dissipative function of tribosystems in which at least one tribochemical reaction occurs. The model describing the rate of tribochemical reactions within framework of the activated complex theory is proposed. The estimates show that even at low coefficients of friction, sliding velocities, and loads triboactivation provides the occurrence of tribochemical reactions in the contact zone with a high negative chemical affinity. In case of wearless friction the energy of tibochemical reactions is sufficient to excite at least conformation transitions in structurally non-rigid molecules of the lubricant and other low-energy transformations.
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页码：218 / 223
页数：5
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