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dc.contributor.authorMasoumi, Mohammad-
dc.contributor.authorTavares, Sérgio Souto Maior-
dc.contributor.authorPardal, Juan Manuel-
dc.contributor.authorMartins, Tabatta Regihna Brito-
dc.contributor.authorSilva, Marcelo José Gomes da-
dc.contributor.authorAbreu, Hamilton Ferreira Gomes de-
dc.date.accessioned2022-07-01T10:56:47Z-
dc.date.available2022-07-01T10:56:47Z-
dc.date.issued2017-
dc.identifier.citationMASOUMI, Mohammad et al. The role of microstructure and grain orientations on intergranular cracking susceptibility of UNS 17400 martensitic stainless steel. Engineering Failure Analysis, [s.l.], v. 79, p. 198-207, 2017.pt_BR
dc.identifier.issn1350-6307-
dc.identifier.urihttp://www.repositorio.ufc.br/handle/riufc/66864-
dc.description.abstractThe aim of this work was to investigate the role of crystallographic orientations and grain boundary characteristics as a new approach to controlling the intergranular cracking (IGC) susceptibility. In this respect, hydrogen cathodic charging under two different current densities was carried out on 17–4 pH steel (H900 condition) in order to search for correlations between intergranular corrosion and microstructure, inclusions, and grain orientations. Then, to emphasize the importance of crystallographic orientation in IGC, hydrogen cathodic charging was carried out on 17–4 pH steel in solution condition, in which grains oriented with {110} and {111} parallel to the normal direction (ND) are dominant. The results showed that a reduction in the fraction of undesired {001}//ND grains and development of {110}, {112}, and {111}//ND texture components improved the IGC resistance. In addition, a higher fraction of low angle and special boundaries with low internal energy due to better compatibility between adjacent grains was observed in the uncracked sample and led to increased IGC resistance.pt_BR
dc.language.isoenpt_BR
dc.publisherEngineering Failure Analysispt_BR
dc.subject17–4 pH steelpt_BR
dc.subjectCrystallographic orientationpt_BR
dc.subjectHydrogen cathodic chargingpt_BR
dc.subjectIntergranular cracking susceptibilitypt_BR
dc.titleThe role of microstructure and grain orientations on intergranular cracking susceptibility of UNS 17400 martensitic stainless steelpt_BR
dc.typeArtigo de Periódicopt_BR
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