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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Influence of residual stresses in the tensile test of cold drawn wires
Abstract The aim of this paper is to investigate the influence of residual stresses, due to cold-drawing, on the shape of the tensile stress-strain curve and particularly its influence on the ratio $ σ_{0.2} $/$ σ_{max} $ through a numerical and experimental work. It was found that residual stresses favours the onset of yielding and the ratio $ σ_{0.2} $/$ σ_{max} $ decreases with increasing values of residual stresses. Because of the deleterious effect of residual stresses on fatigue and stress corrosion and because such stresses affect the ratio $ σ_{0.2} $/$ σ_{max} $, it is reasonable to-put a lower limit to $ σ_{0.2} $/$ σ_{max} $ in the standards. The ratio $ σ_{0.2} $/$ σ_{max} $ can be increased by relieving residual stresses, a common procedure after drawing. This fact is also ascertained.
Influence of residual stresses in the tensile test of cold drawn wires
Abstract The aim of this paper is to investigate the influence of residual stresses, due to cold-drawing, on the shape of the tensile stress-strain curve and particularly its influence on the ratio $ σ_{0.2} $/$ σ_{max} $ through a numerical and experimental work. It was found that residual stresses favours the onset of yielding and the ratio $ σ_{0.2} $/$ σ_{max} $ decreases with increasing values of residual stresses. Because of the deleterious effect of residual stresses on fatigue and stress corrosion and because such stresses affect the ratio $ σ_{0.2} $/$ σ_{max} $, it is reasonable to-put a lower limit to $ σ_{0.2} $/$ σ_{max} $ in the standards. The ratio $ σ_{0.2} $/$ σ_{max} $ can be increased by relieving residual stresses, a common procedure after drawing. This fact is also ascertained.
Influence of residual stresses in the tensile test of cold drawn wires
Atienza, J. M. (Autor:in) / Elices, M. (Autor:in)
2003
Aufsatz (Zeitschrift)
Englisch
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