Paper Title:
Study on the Corrosion Behavior of Two Kinds of Tubing at Different Temperatures
  Abstract

Aimed at the problem of sulfur-resistant corrosion in environment with carbon dioxide(CO2)and trace amounts of hydrogen sulfide (H2S), Tafel polarization curves and electrochemical impedance spectroscopy techniques were employed to study the electrochemistry corrosion behavior of two kinds of 80S(A and B) at different temperatures. The methods of weight-loss,scanning electron microscope and X-ray diffraction (XRD) analysis were used to study on the corrosion behavior of the sulfur-resistant tubes, including electrochemical impedance spectroscopy , average corrosion rates and the corrosion morphologies. The results showed that the corrosion potential and corrosion rates (CR) of two samples were different with the changing of the test temperatures. With the increase of the temperature, the corrosion potential decreased, and the corrosion rates increased, but decreased at 120°C. The corrosion-resistant of A80S was slightly superior to the B80S. The serious pitting corrosion and the maximum average CR occurred at 90°C. The XRD analysis suggested that the main corrosion products were FeS.

  Info
Periodical
Advanced Materials Research (Volumes 314-316)
Chapter
Tooling/Testing and Evaluation of Materials
Edited by
Jian Gao
Pages
1335-1341
DOI
10.4028/www.scientific.net/AMR.314-316.1335
Citation
X. H. Zhao, Y. Han, F. G. Li, Z. Q. Bai, B. Wei, "Study on the Corrosion Behavior of Two Kinds of Tubing at Different Temperatures", Advanced Materials Research, Vols. 314-316, pp. 1335-1341, 2011
Online since
August 2011
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Price
$32.00
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