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ATOM PROBE MICROANALYSIS OF WELD METAL IN A SUBMERGED ARC WELDED CHROMIUM-MOLYBDENUM STEEL

Abstract : A submerged arc welded 2.25Cr - 1Mo steel has been investigated using electron microscopy and atom probe field ion microscopy. The bainitic microstructure of the as-welded steel consisted of ferrite and martensite. During heat treatment at 690°C the martensite transformed to ferrite and cementite and needle-shaped (Cr,Mo)2C carbides precipitated. Together with a substantial decrease in dislocation density, this resulted in an improvement of the toughness.
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https://hal.archives-ouvertes.fr/jpa-00226879
Contributor : Archives Journal de Physique <>
Submitted on : Thursday, January 1, 1987 - 8:00:00 AM
Last modification on : Thursday, January 1, 1987 - 8:00:00 AM
Document(s) archivé(s) le : Friday, April 30, 2010 - 7:00:03 PM

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B. Josefsson, A. Kvist, H. Andrén. ATOM PROBE MICROANALYSIS OF WELD METAL IN A SUBMERGED ARC WELDED CHROMIUM-MOLYBDENUM STEEL. Journal de Physique Colloques, 1987, 48 (C6), pp.C6-435-C6-440. ⟨10.1051/jphyscol:1987671⟩. ⟨jpa-00226879⟩

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