2026-05-11T15:05:16Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/77132024-04-12T11:34:32Zcom_10259_4201com_10259_5086com_10259_2604col_10259_4505
Peral, Luis Borja
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600
Díaz Portugal, Andrés
147
600
0000-0002-2344-1955
Arniella, V.
2966a0a0-434b-4c68-8d1b-d9d9bf7d5091
600
Belzunce, J.
f422067e-1ca8-4880-8872-00ceb41fa80a
600
Alegre Calderón, Jesús Manuel
16
600
0000-0003-3629-2570
Cuesta Segura, Isidoro Iván
135
600
0000-0003-4088-9302
2023-06-20T13:09:16Z
2023-06-20T13:09:16Z
2023-09
0013-7944
http://hdl.handle.net/10259/7713
10.1016/j.engfracmech.2023.109414
The influence of hydrogen on the mechanical behavior of a quenched and tempered 42CrMo4 steel has been evaluated by means of high internal pressure fracture tests carried out on hydrogen precharged notched cylindrical specimens. The notched cylindrical specimens were precharged in a 1 M H2SO4 + 0.25 g/l As2O3 solution for 3 h with 1.2 mA/cm2. Hydraulic fracture tests were performed at different loading rates. Hydrogen embrittlement resistance increased with grain size refinement although the fine grained specimen had a higher hydrogen content than the coarse grained one. Fractographic analysis showed hydrogen enhanced decohesion fracture was less pronounced with decreasing grain size. Hydrogen embrittlement susceptibility is discussed in terms of the prior austenite grain size (PAGS) and the operative fracture mechanisms.
The authors would like to thank the Spanish Government for the financial support received to perform the research projects TED2021-130413B-I00 and PID2021-124768OB-C21. This work was supported by the Regional Government of Castilla y León (Junta de Castilla y León) and by the Ministry of Science and Innovation MICIN and the European Union Next Generation EU/PRTR (MR5W.P3) and PRTR (MR4W.P2). L.B. Peral is grateful for his Margarita Salas Postdoctoral contract (Ref.: MU-21-UP2021-030) funded by the University of Oviedo through the Next Generation European Union.
application/pdf
eng
Elsevier
Engineering Fracture Mechanics. 2023, V. 289, 109414
https://doi.org/10.1016/j.engfracmech.2023.109414
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica, Técnica y de Innovación 2021-2023/TED2021-130413B-I00/ES/Estudio de la susceptibilidad a la fragilización por hidrógeno de aceros dúplex producidos mediante fabricación aditiva para su uso en componentes en ambiente de hidrógeno/HyDuplex3D
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica, Técnica y de Innovación 2021-2023/PID2021-124768OB-C21/ES/Modelado de efectos y aplicaciones del hidrógeno en aceros de fabricación aditiva/HYSTEELS/
info:eu-repo/grantAgreement/Junta de Castilla y León//MR5WP3//Planes complementarios de I+D+i, Tecnologías, materiales y procesos para producción a pequeña escala de portadores de Hidrógeno Renovable (Metano y Amoniaco) para aprovechamiento distribuido en CyL. Universidad de Burgos. Grupo GIE/
info:eu-repo/grantAgreement/Junta de Castilla y León//MR4WP2//Plan Complementario de Materiales Avanzados: subproyecto GIE/
info:eu-repo/grantAgreement/Universidad de Oviedo//MU-21-UP2021-030/
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
High internal pressure
PAGS
Hydrogen cathodic precharge
Martensitic lath decohesion
Hydrogen embrittlement
Resistencia de materiales
Ingeniería civil
Strength of materials
Civil engineering
Influence of hydrogen on the hydraulic fracture behavior of a 42CrMo4 steel welds: Effect of the prior austenite grain size
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Engineering Fracture Mechanics
289
109414
THUMBNAIL
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oai:riubu.ubu.es:10259/7713
2024-04-12 13:34:32.341
Repositorio Institucional de la Universidad de Burgos
bubrep@ubu.es
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