Corrosion and Cavitation Resistances of Low Alloy Steel After Frictional-Mechanical Treatment - Publikacja - MOST Wiedzy

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Corrosion and Cavitation Resistances of Low Alloy Steel After Frictional-Mechanical Treatment

Abstrakt

Paper presents the results of the studies of wear, corrosion and cavitation resistances of the S355J2 low alloy medium carbon steel subjected to surface modification by friction-mechanical treatment, as tested in sea water simulated solution. To evaluate the effect of the surface treatment, the comparative studies of the corrosive properties of the steel before and after treatment have been considered. The treatment due to a severe plastic deformation enable forming nanocrystalline structure of steel with grain sizes in the range 20–50 nm and the favorable internal stress state within the treated layer. The research indicated as well that the applied surface treatment improved the steel resistance to the wear and erosion-corrosion but decreased the resistance to general corrosion and stress corrosion. The surface treated steel revealed the lower diffusivity and the lower transport of hydrogen into the material core. Hydrogen collecting within the surface layer did not proceed to the deeper layer of structural metal, and thus prevented it from the hydrogen cracking.

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Licencja

Copyright (2017 The State Scientific Institution “The Joint Institute of Mechanical Engineering of the National Academy of Sciences of Belarus”)

Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
publikacja w in. zagranicznym czasopiśmie naukowym (tylko język obcy)
Opublikowano w:
Mehanika mašin, mehanizmov i materialov strony 85 - 90,
ISSN: 1995-0470
Język:
angielski
Rok wydania:
2017
Opis bibliograficzny:
Kocańda D., Jurczak W., Łunarska E., Szociński M.. Corrosion and Cavitation Resistances of Low Alloy Steel After Frictional-Mechanical Treatment. Mehanika mašin, mehanizmov i materialov, 2017, , iss. 3(40), s.85-90
Weryfikacja:
Politechnika Gdańska

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