Title: Corrosion of Low Carbon Steel in Clay and Sea Sediments
Authors: LANZA FrancoRONSECCO Carlo
Publisher: European Commission
Publication Year: 1986
JRC N°: JRC4158
Other Identifiers: EUR 10522 EN
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC4158
Type: EUR - Scientific and Technical Research Reports
Abstract: A SERIES OF CORROSION TEST HAVE BEEN CONDUCTED PUTTING IN CONTACT MILD STEEL SAMPLES WITH CLAY AND TWO TYPES OF SEA SEDIMENTS. THE TESTS HAVE BEEN PERFORMED AT 30, 50 AND 90 C UP TO A MAXIMUM DURATION TIME OF 220 DAYS. AS THE TESTS WERE PERFORMED IN A CLOSED SYSTEM, MOST OF THE CORROSION ARRIVED IN ANOXIC CONDITIONS. AFTER AN INITIAL STA- BILIZATION PERIOD CORROSION WEIGHT LOSSES INCREASE LINEARLY WITH TIME. THE LONG TERM CORROSION RATE IN PRESENCE OF CARBONACEOUS SEDI- MENTS IS SIGNIFICANTLY HIGHER THAN THAT OBTAINED IN CLAY OR CLAY RICH SEDIMENTS. AN ANALYSIS OF THE ION DIFFUSED IN THE POROUS MEDIA HAS SHOWN THAT ALL THE IRON WHICH IS CORRODED IN THE ANOXIC CONDITION IS RELEASED IN A SOLUBLE FORM.
JRC Institute:Joint Research Centre Historical Collection

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