Deformation features of sliding surface of construction steel under sliding current collection
A dry sliding of a model sample of general application construction steel against quenched steel under electric current of a density higher 250 A/cm2 was carried out according to the "pin-on-ring" interfacing scheme, where the sample was presented as "pin". It has been found that such a contact exhibits quite satisfactory wear resistance and electrical conductivity. Using a confocal laser microscope, a morphological feature of the sample sliding surface was found, consisting in the formation of two sectors. The sector of the sliding surface directed towards the movement of the counterbody (frontal sector) was deformed and deteriorated due to the plowing mechanism. X-ray phase analysis revealed the formation of FeO and FCC-iron in the surface layer of the sample.
Keywords
tribosystem,
self-organization,
structure,
phase composition,
surface layer,
electrical contactAuthors
| Aleutdinova M.I. | Institute of Strength Physics and Materials Science SB RAS | aleut@ispms.ru |
| Fadin V.V. | Institute of Strength Physics and Materials Science SB RAS | fvv@ispms.ru |
Всего: 2
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