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Distinct Fracture Patterns in Construction Steels for Reinforced Concrete under Quasistatic Loading— A Review

1
Departamento de Ingeniería Mecánica y Minera, Universidad de Jaén, 23071 Jaén, Spain
2
Departamento de Ingeniería Civil-Construcción, Universidad Politécnica de Madrid, E.T.S.I. Caminos, Canales y Puertos, 28040 Madrid, Spain
3
Departamento de Ciencia de Materiales, Universidad Politécnica de Madrid, E.T.S.I. Caminos, Canales y Puertos, 28040 Madrid, Spain
*
Author to whom correspondence should be addressed.
Current address: Departamento de Ingeniería Mecánica y Minera, Universidad de Jaén, Campus Científico-Tecnológico de Linares, Cinturón Sur, 23700 Linares (Jaén), Spain.
Metals 2018, 8(3), 171; https://doi.org/10.3390/met8030171
Received: 6 February 2018 / Revised: 28 February 2018 / Accepted: 4 March 2018 / Published: 9 March 2018
(This article belongs to the Special Issue Mechanical Behavior of High-Strength Low-Alloy Steels)
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Abstract

Steel is one of the most widely used materials in construction. Nucleation growth and coalescence theory is usually employed to explain the fracture process in ductile materials, such as many metals. The typical cup–cone fracture pattern has been extensively studied in the past, giving rise to numerical models able to reproduce this pattern. Nevertheless, some steels, such as the eutectoid steel used for manufacturing prestressing wires, does not show this specific shape but a flat surface with a dark region in the centre of the fracture area. Recent studies have deepened the knowledge on these distinct fracture patterns, shedding light on some aspects that help to understand how damage begins and propagates in each case. The numerical modelling of both fracture patterns have also been discussed and reproduced with different approaches. This work reviews the main recent advances in the knowledge on this subject, particularly focusing on the experimental work carried out by the authors. View Full-Text
Keywords: steel; fracture mechanics; tensile test; cohesive zone model; internal damage; XRCT steel; fracture mechanics; tensile test; cohesive zone model; internal damage; XRCT
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Suárez, F.; Gálvez, J.C.; Cendón, D.A.; Atienza, J.M. Distinct Fracture Patterns in Construction Steels for Reinforced Concrete under Quasistatic Loading— A Review. Metals 2018, 8, 171.

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