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Stress corrosion cracking of pressure vessel welded carbon steels

Par Conseil national de recherches du Canada

DOITrouver le DOI : https://doi.org/10.1016/0308-0161(91)90042-Z
AuteurRechercher : 1; Rechercher :
Affiliation
  1. Conseil national de recherches du Canada
FormatTexte, Article
Résumé
The effect of welding by submerged arc welding on stress corrosion cracking (SCC) in NaOH is studied for carbon steels used as pressure vessels in the Bayer process industry. Consideration is given to the corrosion behavior of the weld metal, the heat affected zone (HAZ) and the base metal. The electrochemical properties and hardness of each microstructure were characterized. The slow-strain-rate test has been used on welded and as-rolled specimens. The relative susceptibility of every microstructure to SCC was determined by metallographic and SEM studies. Crack measurement on sectioned weld specimens indicated the relative tendency of the five microstructures for cracking to occur. The base metal is found to be the microstructure with the highest crack velocity followed by the basaltic structure in three steels.
Date de publication
Maison d’éditionElsevier
Dans
  • International Journal of Pressure Vessels and Piping 45, nº 1 : 23–41.
Langueanglais
Publications évaluées par des pairsOui
Numéro du CNRCCNRC 33357
NRC-IMI91AP-20000-1218-G
Numéro NPARC23004419
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Identificateur de l’enregistrement5176381e-2863-4e8e-9b9d-24824e7f1e97
Enregistrement créé2018-10-31
Enregistrement modifié2020-03-17
Date de modification :