Investigation into the evolution of corrosion product layer (CPL) of 1018 C-steel exposed to multiphase environment using FIB and EIS techniques

    Authors

    K. Sapre; S. Seal; P. Jepson; H. B. Wang; Z. Rahman;T. Smith

    Abbreviated Journal Title

    Corrosion Sci.

    Keywords

    focused ion beam (FIB); corrosion product layer (CPL); imidazoline; multiphase flow, EIS; DIGITAL IMAGE-ANALYSIS; CARBON-DIOXIDE; FLOW CONDITIONS; SLUG FLOW; INHIBITOR; MECHANISM; Materials Science, Multidisciplinary; Metallurgy & Metallurgical; Engineering

    Abstract

    This communication reports into the effects of flow, fluid composition and the effectiveness of imidazoline inhibitors on the evolution and distribution of corrosion products on 1018 C-steel exposed to CO2 corrosion. Focused ion beam technique was used to measure the thickness of the corrosion product layer (CPL), in contrast to the conventional techniques used to observe the cross-section of specimens. Morphological analysis using scanning electron microscopy revealed topographical variations on the surface with the change in the multiphase environment. The CPL was found to be more porous in nature with the presence of oil in the multiphase environment. Electrochemical impedance spectroscopy was also used in the present study to measure the corrosion rates and was subsequently correlated to the CPL evolution for 1018 C-steel in multiphase environment. (C) 2002 Elsevier Science Ltd. All rights reserved.

    Journal Title

    Corrosion Science

    Volume

    45

    Issue/Number

    1

    Publication Date

    1-1-2003

    Document Type

    Article

    Language

    English

    First Page

    59

    Last Page

    80

    WOS Identifier

    WOS:000178552100004

    ISSN

    0010-938X

    Share

    COinS