Affiliation:
1. POSCO
2. POSCO, Sheet Products and Process Research Group
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.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
Cited by
7 articles.
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