Paper Title:
Effect of Applied Potentials on Stress Corrosion Cracking Susceptibility of X80 Pipeline Steel in Simulated Soil Solution
  Abstract

The stress corrosion cracking susceptibility of X80 pipeline steel was investigated in a simulated soil solution using slow strain rate tensile (SSRT) tests. The different potentials were applied in the tests. The fracture surfaces were observed using scanning electron microscopy (SEM). The X80 steel was susceptible to SCC in simulated solution. The SCC susceptibility had no apparent change with the anodic potentials applied. The fracture mechanism was anodic dissolution. However, the SCC susceptibility increased with the decrease of the cathodic potentials obviously. The cracking was induced by the Hydrogen diffusing into the metal.

  Info
Periodical
Advanced Materials Research (Volumes 146-147)
Edited by
Sihai Jiao, Zhengyi Jiang and Jinglong Bu
Pages
920-925
DOI
10.4028/www.scientific.net/AMR.146-147.920
Citation
Y. Cheng, H. Y. Yu, L. X. Zhang, Y. Wang, X. Meng, D. B. Sun, "Effect of Applied Potentials on Stress Corrosion Cracking Susceptibility of X80 Pipeline Steel in Simulated Soil Solution", Advanced Materials Research, Vols. 146-147, pp. 920-925, 2011
Online since
October 2010
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