The Impact of Crushed Rock Spoil on Pitting Corrosion of Selected Stainless Steel

Stefan Krakowiak; Sławomir Kierepa

doi:10.24425/amm.2019.130136

The Impact of Crushed Rock Spoil on Pitting Corrosion of Selected Stainless Steel

Abstract

The paper presents the results of the pitting resistance investigations of selected stainless steels in the chloride environment and the simultaneous impact of erosive factors using the cyclic polarization technique. Additionally, using electrochemical techniques, ie: electrochemical impedance spectroscopy (EIS) and measurement of corrosion potential, the behavior of the passive layer of selected stainless steels in the environment of chlorides and erosion was examined. On the basis of the obtained results, the resistance of stainless steels 1.4301 and 1.4404 was found, both on the effect of chloride ions and erosive factors in the studied systems. Both tested steels are susceptible to pitting corrosion. It was found that a good measure of erosive impact on stainless steel is both impedance spectrum analysis and continuous monitoring of the corrosion potential of steel.

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Authors (2)

Stefan Krakowiak dr hab. inż.
Sławomir Kierepa
- KGHM Polska Miedź S.A.

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Category:: Articles
Type:: artykuły w czasopismach
Published in:: ARCHIVES OF METALLURGY AND MATERIALS no. 64, pages 1627 - 1632,
ISSN: 1733-3490
Language:: English
Publication year:: 2019
Bibliographic description:: Krakowiak S., Kierepa S.: The Impact of Crushed Rock Spoil on Pitting Corrosion of Selected Stainless Steel// ARCHIVES OF METALLURGY AND MATERIALS -Vol. 64,iss. 4 (2019), s.1627-1632
DOI:: Digital Object Identifier (open in new tab) 10.24425/amm.2019.130136
Verified by:: Gdańsk University of Technology