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

Abreu Rodrigues, Maricely de and Iordachescu, Mihaela and 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.

Description

Title: Effects of hydrogen assisted stress corrosion on damage tolerance of a high-strength duplex stainless steel wire for prestressing concrete
Author/s:
  • Abreu Rodrigues, Maricely de
  • Iordachescu, Mihaela
  • Valiente Cancho, Andrés
Item Type: Article
Título de Revista/Publicación: Construction and Building Materials
Date: 15 September 2014
ISSN: 0950-0618
Volume: 66
Subjects:
Freetext Keywords: High-strength duplex stainless steel; Prestressing wire; Hydrogen assisted damage FIP stress corrosion test; Damage tolerance
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ciencia de los Materiales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

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.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainBIA 2011-26486UnspecifiedUnspecifiedUnspecified

More information

Item ID: 35461
DC Identifier: http://oa.upm.es/35461/
OAI Identifier: oai:oa.upm.es:35461
DOI: 10.1016/j.conbuildmat.2014.05.069
Official URL: http://www.sciencedirect.com/science/article/pii/S0950061814005534
Deposited by: Memoria Investigacion
Deposited on: 08 Jun 2015 17:21
Last Modified: 16 May 2019 07:35
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