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The Notch Master Curve: A proposal of Master Curve for ferritic–pearlitic steels in notched conditions

Abstract: This paper presents a model for the prediction of the apparent fracture toughness of ferritic–pearlitic steels in notched conditions and operating at temperatures corresponding to their ductile-to-brittle transition zone. The model, here named the Notch-Master Curve, is based on the combination of the Master Curve of the material in cracked conditions and the notch corrections provided by the Theory of Critical Distances. In order to validate the model, the fracture resistance results obtained in 168 tests performed on CT specimens (84 for each material) are presented. These tests were carried out, for each material, in specimens with six different notch radii, from 0 mm up to 2.0 mm, and at three different temperatures within their corresponding ductile-to-brittle transition zone. It has been observed that the model provides good predictions of the fracture resistance in notched conditions for the two materials analysed.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Engineering Failure Analysis 42 (2014), 178–196

Editorial: Elsevier BV

 Fecha de publicación: 18/04/2014

Nº de páginas: 19

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.engfailanal.2014.04.007

ISSN: 1350-6307,1873-1961

Proyecto español: MAT2010-15721

Url de la publicación: http://dx.doi.org/10.1016/j.engfailanal.2014.04.007