PSI - Issue 37

ScienceDirect Available online at www.sciencedirect.com …‹‡…‡ ‹”‡…– Procedia Structural Integrity 00 (2021) 000 – 000 Available online at www.sciencedirect.com Available online at www.sciencedirect.com …‹‡…‡ ‹”‡…– Procedia Structural Integrity 00 (2021) 000 – 000

www.elsevier.com/locate/procedia www.elsevier.com/locate/procedia

Procedia Structural Integrity 37 (2022) 1021–1028

© 2022 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of Pedro Miguel Guimaraes Pires Moreira In Memoriam : The paper is dedicated to the memory of the Spanish civil engineers Eduardo Torroja and José Antonio Torroja. © 2022 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of Pedro Miguel Guimaraes Pires Moreira Keywords: fracture criterion; notch-shaped defects; stress triaxiality; constraint; structural integrity; high-strength pearlitic steel; cold drawing; prestressing steel; strain energy density; effective or equivalent stress. Abstract This paper deals with the formulation and development of fracture criteria for high-strength structural members containing surface damage in the form of notches (i.e., blunt defects). The important role of the yield strength of the material and its strain hardening capacity (evaluated by means of the constitutive law or stress-strain curve) is analyzed in depth by considering the fracture performance of notched samples taken from high-strength pearlitic steels with different levels of cold drawing (the most heavily cold drawn pearlitic steel being commercial prestressing steel used in prestressed concrete). The final aim of the paper is to establish fracture-based design criteria for structural members made of steels with distinct yield strength and containing very different kinds of notch-shape surface damage. In Memoriam : The paper is dedicated to the memory of the Spanish civil engineers Eduardo Torroja and José Antonio Torroja. © 2022 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of Pedro Miguel Guimaraes Pires Moreira Keywords: fracture criterion; notch-shap d defects; stress triaxiality; constraint; structural integrity; high-strength pearlitic steel; cold drawing; prestressing steel; strain energy density; effective or equivalent stress. ICSI 2021 The 4th International Conference on Structural Integrity A fracture criterion for cold drawn pearlitic steel notched wires with circumferentially-shaped notches of different geometries: From Eduardo Torroja to José Antonio Torroja Jesús Toribio*, Francisco-Javier Ayaso Fracture & Structural Integrity Research Group (FSIRG), University of Salamanca (USAL) E.P.S., Campus Viriato, Avda. Requejo 33, 49022 Zamora, Spain Abstract This paper deals with the formulation and development of fracture criteria for high-strength structural members containing surface damage in the form of notches (i.e., blunt defects). The important role of the yield strength of the material and its strain hardening capacity (evaluated by means of the constitutive law or stress-strain curve) is analyzed in depth by considering the fracture performance of notched samples taken from high-strength pearlitic steels with different levels of cold drawing (the most heavily cold drawn pearlitic steel being commercial prestressing steel used in prestressed concrete). The final aim of the paper is to establish fracture-based design criteria for structural members made of steels with distinct yield strength and containing very different kinds of notch-shape surface damage. ICSI 2021 The 4th International Conference on Structural Integrity A fracture criterion for cold drawn pearlitic steel notched wires with circumferentially-shaped notches of different geometries: From Eduardo Torroja to José Antonio Torroja Jesús Toribio*, Francisco-Javier Ayaso Fracture & Structural Integrity Research Group (FSIRG), University of al manca (USAL) E.P.S., Campus Viriato, Avda. Requejo 33, 49022 Zamora, Spain

* Corresponding author. Tel.: +34-677566723; fax: +34-980545002. E-mail address: toribio@usal.es * Corresponding author. Tel.: +34-677566723; fax: +34-980545002. E-mail address: toribio@usal.es

2452-3216 © 2022 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of Pedro Miguel Guimaraes Pires Moreira 2452-3216 © 2022 The Authors. Published by ELSEVIER B.V. This is an ope access article under the CC BY-NC-ND lic nse (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of Pedro Miguel Guimaraes Pires Moreira

2452-3216 © 2022 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of Pedro Miguel Guimaraes Pires Moreira 10.1016/j.prostr.2022.02.040