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On self-organization of the surface layer of structural steel in dry sliding against quenched steel under electric current
https://doi.org/10.22349/1994-6716-2021-106-2-29-37
Abstract
Using optical and confocal laser microscopes it was shown that dry sliding of structural steel against hardened steel under electric current of density higher 250 A/cm2 was accompanied by the formation of composite tribolayers. By X-ray phase analysis of the surface layers of the sample and counterbody was shown that they contain α-Fe, γ-Fe, and FeO. It is noted that the self-organization of the tribosystem under conditions of dry sliding under electric current can be represented as a hierarchy of structural states of the surface layers of contacting materials. It was found that the nominal sample area had two sectors. The character of the contact interaction in the sectors differs from each other.
Keywords
self-organization of the surface layers,
structural hierarchy of tribolayers,
sliding electrical contact,
sliding surface,
phase composition of tribolayer,
wear mechanism
Supporting agencies: The work was carried out within the framework of a state assignment of ISPMS SB RAS, theme No FWRW-2021-0006
About the Author
M. I. Aleutdinova
Institute of Strength Physics and Materials Science of Siberian Branch of Russian Academy of Sciences (ISPMS SB RAS); Seversk Technological Institute, National Research Nuclear University MEPhI
Russian Federation
Russian Federation
Cand. Sc. (Eng).
2/4 Akademichesky Ave, 634055 Tomsk; 2 65 Kommunistichesky Ave, 636036 Seversk
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Review
For citations:
Aleutdinova M.I. On self-organization of the surface layer of structural steel in dry sliding against quenched steel under electric current. Voprosy Materialovedeniya. 2021;(2(106)):29-37. (In Russ.) https://doi.org/10.22349/1994-6716-2021-106-2-29-37
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