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Small punch test methodologies for the analysis of the hydrogen embrittlement of structural steels

Abstract: In the present study, a new small punch test (SPT) methodology has been used to analyse the effect of hydrogen embrittlement on the tensile properties of three different grades of CrMoV steel: the base metal (CrMoV-1), weld metal (CrMoV-2) and this same weld metal subjected to an intermediate heat treatment (CrMoV-3). SPT results were compared with those obtained in standard tensile tests carried out in a hydrogen environment. Moreover, a new SPT methodology was used to analyse the environmental effects on a CrNiMn steel under cathodic protection and cathodic charge. Results obtained shows the usefulness of the SPT to estimate the grade of deterioration induced by hydrogen embrittlement, especially when a lack of testing material makes impossible the test of standard specimens.

Otras comunicaciones del congreso o articulos relacionados con autores/as de la Universidad de Cantabria

 Congreso: Encuentro del Grupo Español de Fractura (33º : 2016 : San Sebastián)

Editorial: Secretaría del Grupo Español de Fractura

 Fecha de publicación: 01/03/2016

Nº de páginas: 6

Tipo de publicación: Comunicación a Congreso

ISSN: 0213-3725

Proyecto español: MAT2011-28796-C03