Effects of hydrogen assisted stress corrosion on damage tolerance of a high-strength duplex stainless steel wire for prestressing concrete

Abreu Rodrigues, Maricely de; Iordachescu, Mihaela y Valiente Cancho, Andrés (2014). Effects of hydrogen assisted stress corrosion on damage tolerance of a high-strength duplex stainless steel wire for prestressing concrete. "Construction and Building Materials", v. 66 ; pp. 38-44. ISSN 0950-0618. https://doi.org/10.1016/j.conbuildmat.2014.05.069.

Descripción

Título: Effects of hydrogen assisted stress corrosion on damage tolerance of a high-strength duplex stainless steel wire for prestressing concrete
Autor/es:
  • Abreu Rodrigues, Maricely de
  • Iordachescu, Mihaela
  • Valiente Cancho, Andrés
Tipo de Documento: Artículo
Título de Revista/Publicación: Construction and Building Materials
Fecha: 15 Septiembre 2014
Volumen: 66
Materias:
Palabras Clave Informales: High-strength duplex stainless steel; Prestressing wire; Hydrogen assisted damage FIP stress corrosion test; Damage tolerance
Escuela: E.T.S.I. Caminos, Canales y Puertos (UPM)
Departamento: Ciencia de los Materiales
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

The study brings new insights on the hydrogen assisted stress corrosion on damage tolerance of a high-strength duplex stainless steel wire which concerns its potential use as active reinforcement for concrete prestressing. The adopted procedure was to experimentally state the effect of hydrogen on the damage tolerance of cylindrical smooth and precracked wire specimens exposed to stress corrosion cracking using the aggressive medium of the standard test developed by FIP (International Prestressing Federation). Stress corrosion testing, mechanical fracture tests and scanning electron microscopy analysis allowed the damage assessment, and explain the synergy between mechanical loading and environment action on the failure sequence of the wire. In presence of previous damage, hydrogen affects the wire behavior in a qualitative sense, consistently to the fracture anisotropy attributable to cold drawing, but it does not produce quantitative changes since the steel fully preserves its damage tolerance.

Más información

ID de Registro: 35461
Identificador DC: http://oa.upm.es/35461/
Identificador OAI: oai:oa.upm.es:35461
Identificador DOI: 10.1016/j.conbuildmat.2014.05.069
URL Oficial: http://www.sciencedirect.com/science/article/pii/S0950061814005534
Depositado por: Memoria Investigacion
Depositado el: 08 Jun 2015 17:21
Ultima Modificación: 08 Jun 2015 17:21
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