Journal
METALS
Volume 10, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/met10010114
Keywords
pearlitic steel wires; cold drawn wires; bauschinger effect; cyclic loading; kinematic hardening
Funding
- Spanish Institutions: Ministry for Science and Technology (MICYT) [MAT2002-01831]
- Ministry for Education and Science (MEC) [BIA2005-08965]
- Ministry for Science and Innovation (MICINN) [BIA2008-06810]
- Ministry for Economy and Competitiveness (MINECO) [BIA2011-27870]
- Junta de Castilla y Leon (JCyL) [SA067A05, SA111A07, SA039A08, SA132G18]
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Prestressing steel wires usually undergo cyclic loading in service. Therefore, it is of interest to analyse certain features of their mechanical behaviour under this type of loading, such as the Bauschinger effect (BE) or the hardening rule, that fit the real mechanical behaviour appropriately. In this study, different samples of high strength pearlitic steel wires were subjected to cyclic tension-compression load exceeding the material yield strength, thus generating plastic strains. From the experimental results, various parameters were obtained revealing that analysed steels exhibited the so-called Masing type BE. In addition, the variation of the BE characteristics (of the effective and internal stresses) with the applied plastic pre-strain indicated that the studied materials followed a mixed strain hardening rule with the domination of the kinematic component.
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