Paper Title:
Oxidation Behavior and Scale Properties on the Si Containing Steels
  Abstract

The adhesion and micro-structure of the primary scale formed in LNG combustion gas on steels containing Si, up to 3.0mass%, have been studied using a hot-compression test at 1273K, Raman spectroscopy, and X-Ray absorption fine structure analysis (XAFS). The Fe2SiO4 at the scale/steel interface is increased as the Si content increases, suppressing the diffusion of Fe ions from the steel and forming dense and highly-adhesive subscale, when oxidized below the temperature at which the Fe2SiO4 melts. The behavior of the secondary scale growth in air up to 1173K on these has been studied using in-situ XRD. It is apparent that the formation behavior of Fe2SiO4 ,FeO and Fe2O3 is influenced by the Si content.

  Info
Periodical
Materials Science Forum (Volumes 522-523)
Edited by
Shigeji Taniguchi, Toshio Maruyama, Masayuki Yoshiba, Nobuo Otsuka and Yuuzou Kawahara
Pages
477-488
DOI
10.4028/www.scientific.net/MSF.522-523.477
Citation
M. Takeda, T. Onishi, "Oxidation Behavior and Scale Properties on the Si Containing Steels", Materials Science Forum, Vols. 522-523, pp. 477-488, 2006
Online since
August 2006
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Price
$32.00
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