Paper Title:
Change in Electrochemical Property of 12%Cr Ferritic Steel in 1M-KOH Solution Due to Creep
  Abstract

Electrochemical material characterization method was applied to the creep specimens of 12%Cr ferritic steel to evaluate the changes in precipitates during creep. Experimental results revealed that the peak current densities “Ip1” and “Ip2” appeared at specific potentials during anodic polarization curve measurement in 1M-KOH solution. These peak current densities corresponded to the selective dissolution of several kinds of precipitates, respectively. The Ip2, which reflected the amount of M23C6 and Laves phase, increased more siginificantly with creep than thermal aging. On the other hand, the effect of applied stress was not reflected on the change in Ip1, although it increased with thermal aging and creep as well as the Ip2.

  Info
Periodical
Advanced Materials Research (Volumes 89-91)
Edited by
T. Chandra, N. Wanderka, W. Reimers , M. Ionescu
Pages
1-5
DOI
10.4028/www.scientific.net/AMR.89-91.1
Citation
Y. Abe, S. Komazaki, T. Mitsueda, Y. Kohno, "Change in Electrochemical Property of 12%Cr Ferritic Steel in 1M-KOH Solution Due to Creep", Advanced Materials Research, Vols. 89-91, pp. 1-5, 2010
Online since
January 2010
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