Paper Title:
Effect of Interstitial Elements on the Toughness of Ferritic Stainless Steel Weld
  Abstract

In this study, the toughness of 11Cr ferritic stainless steel weld was evaluated by DBTT (Ductile-Brittle-Transition-Temperature) with the interstitial elements level. DBTT of the weld increased with increasing interstitial level due to the formation of martensite phase and solidsolution strengthening. Interstitial elements level should be limited by the adoption of back shielding gas during welding process because increased C+N level detrimentally affects the toughness of ferritic stainless weld. Adoption of Ar as back shielding gas lowered N content in the weld.

  Info
Periodical
Materials Science Forum (Volumes 580-582)
Edited by
Changhee Lee, Jong-Bong Lee, Dong-Hwan Park and Suck-Joo Na
Pages
45-48
DOI
10.4028/www.scientific.net/MSF.580-582.45
Citation
W. B. Lee, J. K. Kim, J. S. Park, I. S. Woo, J. B. Lee, "Effect of Interstitial Elements on the Toughness of Ferritic Stainless Steel Weld", Materials Science Forum, Vols. 580-582, pp. 45-48, 2008
Online since
June 2008
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Price
$32.00
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