Effects of alloying elements, microstructure, and inclusions on hydrogen induced cracking of X120 pipeline steel in wet H2S sour environment / F. Huang in Materials and corrosion, Vol. 63 N° 1 (Janvier 2012)  

Public ISBD [article]  inMaterials and corrosion > Vol. 63 N° 1 (Janvier 2012) . - pp. 59–66 Titre : Effects of alloying elements, microstructure, and inclusions on hydrogen induced cracking of X120 pipeline steel in wet H2S sour environment Type de document : texte imprimé Auteurs : F. Huang, Auteur ; X. G. Li, Auteur ; J. Liu, Auteur Année de publication : 2012 Article en page(s) : pp. 59–66 Note générale : Génie Mécanique Langues : Anglais (eng) Mots-clés : Hydrogen induced cracking Inclusions Pipeline steel Scanning electron microscopy Résumé : Hydrogen induced cracking (HIC) behavior of X120 pipeline steel with different amounts of Mn and Al was investigated using NACE standard TM0284-2005 and back-scattered electron imaging (BSE). The results demonstrated that inclusions and microstructure play significant roles in HIC susceptibility in X120 steels. The more the area and volume fraction of inclusions in the steel, the more the steel is susceptible to HIC. Three types of inclusions exist in the tested X120 steel and they play different roles in cracking. The critical size resulting in HIC cracks for pure MnS inclusions or mixed inclusions (inclusion clusters mainly composed of two or three different phases and compounds) of Mn/Al ratio >1 is smaller than that of pure Al2O3 inclusions or mixed inclusions of Mn/Al ratio DEWEY : 620.1 ISSN : 0947-5114 En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.201005649/abstract [article] Effects of alloying elements, microstructure, and inclusions on hydrogen induced cracking of X120 pipeline steel in wet H2S sour environment [texte imprimé] / F. Huang, Auteur ; X. G. Li, Auteur ; J. Liu, Auteur . - 2012 . - pp. 59–66. Génie Mécanique Langues : Anglais (eng) in Materials and corrosion > Vol. 63 N° 1 (Janvier 2012) . - pp. 59–66 Mots-clés : Hydrogen induced cracking Inclusions Pipeline steel Scanning electron microscopy Résumé : Hydrogen induced cracking (HIC) behavior of X120 pipeline steel with different amounts of Mn and Al was investigated using NACE standard TM0284-2005 and back-scattered electron imaging (BSE). The results demonstrated that inclusions and microstructure play significant roles in HIC susceptibility in X120 steels. The more the area and volume fraction of inclusions in the steel, the more the steel is susceptible to HIC. Three types of inclusions exist in the tested X120 steel and they play different roles in cracking. The critical size resulting in HIC cracks for pure MnS inclusions or mixed inclusions (inclusion clusters mainly composed of two or three different phases and compounds) of Mn/Al ratio >1 is smaller than that of pure Al2O3 inclusions or mixed inclusions of Mn/Al ratio DEWEY : 620.1 ISSN : 0947-5114 En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.201005649/abstract

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