Journal
METALS AND MATERIALS INTERNATIONAL
Volume 17, Issue 6, Pages 899-910Publisher
KOREAN INST METALS MATERIALS
DOI: 10.1007/s12540-011-6006-8
Keywords
metals; eutectoid steel wires; thermomechanical processing; mechanical properties; tensile test
Funding
- Spanish Ministerio de Fomento
- Spanish Ministerio de Ciencia e Innovacion [BIA2008-06705-C02-01]
- SEDUREC [CSD00C-06-14102]
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The effects of the temperature and stretching levels used in the stress-relieving treatment of cold-drawn eutectoid steel wires are evaluated with the aim of improving the stress relaxation behavior and the resistance to hydrogen embrittlement. Five industrial treatments are studied, combining three temperatures (330, 400, and 460 degrees C) and three stretching levels (38, 50 and 64% of the rupture load). The change of the residual stress produced by the treatments is taken into consideration to account for the results. Surface residual stresses allow us to explain the time to failure in standard hydrogen embrittlement tests.
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