RT Journal Article
T1 Evaluation of the mechanical behavior of 2001 LDSS and 2205 DSS reinforcements exposed to simultaneous load and corrosion in chloride contained concrete pore solution
A1 Briz, E.
A1 Martin, U.
A1 Biezma, M. V.
A1 Calderon-Uriszar-Aldaca, I.
A1 Bastidas, D. M.
AB The present work is focused on the study and evaluation of the mechanical properties of the new low-nickel 2001 lean–duplex stainless steel (LDSS), 2205 duplex stainless steel (DSS) and B500SD carbon steel rebars, influenced by aggressive corrosion environment. Test specimens were loaded to 85% of the yield strength while simultaneously exposed to 8 wt% Cl− concrete pore solution for 315 days. Subsequently, the specimens were loaded until failure at a high deformation rate of 0.41 mm/s. The analysis of the stress‒strain curve showed a reduction of the ultimate tensile strength greater than 35% for the B500SD, while the 2001 LDSS and 2205 DSS show a reduction lower than 20% and 10%, respectively. Analyzing elongation to failure, neither 2001 LDSS nor 2205 DSS show evidence of stress corrosion under the simultaneous action of chlorides and load. The toughness change in the 2205 DSS is negligible, the 2001 LDSS slightly reduces its resilience, and the B500SD severely decreases both properties. The fractography study revealed that 2001 LDSS and 2205 DSS show a dimple pattern with features of ductile fracture by coalescence of microvoids.
SN 2352-7102
YR 2020
FD 2020-09
LK https://hdl.handle.net/11556/4428
UL https://hdl.handle.net/11556/4428
LA eng
NO Briz , E , Martin , U , Biezma , M V , Calderon-Uriszar-Aldaca , I & Bastidas , D M 2020 , ' Evaluation of the mechanical behavior of 2001 LDSS and 2205 DSS reinforcements exposed to simultaneous load and corrosion in chloride contained concrete pore solution ' , Journal of Building Engineering , vol. 31 , 101456 . https://doi.org/10.1016/j.jobe.2020.101456
NO Publisher Copyright: © 2020 Elsevier Ltd
NO E. Briz wish to express their gratitude for funding to UPV/EHU PPGA19/61 contract as well as to the IT1314-19 ( Basque Government ) and GIU19/029 ( UPV/EHU ) research groups. U. Martin and D. M. Bastidas gratefully acknowledge funding from The University of Akron , Fellowship Program FRC-207367 .
DS TECNALIA Publications
RD 31 jul 2024