Open AccessTopological approach to studying mechanochemical effects in the processes of corrosion of metals under stress
Author(s) -
L. E. Trofimova
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1164/1/012079
Subject(s) - corrosion , sign (mathematics) , synergetics (haken) , bent molecular geometry , stress (linguistics) , deformation (meteorology) , symmetry (geometry) , interpretation (philosophy) , materials science , topology (electrical circuits) , structural engineering , physics , mathematics , computer science , engineering , geometry , metallurgy , mathematical analysis , composite material , thermodynamics , linguistics , philosophy , combinatorics , programming language
It is hereby suggested to use a topological approach based on the principles of synergetics and the theory of catastrophes to describe some aspects of the mechanochemical effect of the sign of deformation in stress corrosion phenomena. It was found that a steel plate being located in an aggressive environment and subjected to additional force impact may be informatively considered as a synergistic system. It has been established that the concept of sensitivity to imperfection can be applied to the interpretation of the deformation sign effect. It has been demonstrated that the violation of the symmetry of the sides of a bent plate is made provision for by the structure of standard models - catastrophes of the «ruffle» type. Possible scenarios for the development of mechanochemical effects are considered, taking into account Maxwell’s principles and maximum delay principles. Topological models which describe both the above-mentioned mechanochemical effect of the deformation sign at small times (within 50 s) and its reversal with time are constructed and analyzed. Further possible directions of investigation of mechanochemical effects in the processes of corrosion of metals under stress are formulated.