Effects of post-drawing treatments on the fatigue strength of eutectoid steel wires

Katagiri, K.; Satô, Tadashi; Kasaba, Koichi; Sasaki, Shigeichi; Tashiro, Hitoshi

doi:10.1046/j.1460-2695.1999.00212.x

Cited by 9 publications

(1 citation statement)

References 17 publications

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“…Numerical model of pearlitic steel wire (5.5 mm in diameter) are drawn successively for five passes to a diameter of 3.2 mm, 44 with a total reduction in area of 66.1%. The drawing strain (ε) 45,46 of each pass is 0.21, 0.49, 0.68, 0.89, and 1.08. The die half-angle (α) and coefficient of friction (μ) are set as 8 and 0.05 16 with diameters (d c ) of 200, 400, 600, and 800 μm, respectively, and the height of cylindrical inclusion is fixed (h = 400 μm).…”

Section: Numerical Simulation Of Multipass Drawing 41 | Implementatio...mentioning

confidence: 99%

Numerical analyses of damage behavior of wire with inclusion in multipass drawing process

Jia-xing

Wei

et al. 2021

Fatigue Fract Eng Mat Struct

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Inclusion is one of the main causes for unqualified wire. However, the forming mechanism of drawing fracture due to inclusions is still unclear. Therefore, it is significant to figure out the forming mechanism of wire drawing fracture with inclusions for designing and manufacturing high‐quality wires. In this paper, a physical model of wire with inclusion is established based on experimental observations. Multipass drawing is simulated by using finite element method (FEM) with the developed numerical damage modeling. Numerical results demonstrate that the damage increases with the development of drawing progress, and the damage caused by high elastic modulus of inclusion is greater than that of low elastic modulus. Pen‐tip shaped fracture of wire with inclusions is mainly caused by the superposition of core and external V‐shaped damage. Furthermore, the core V‐shaped crack will propagate along the external V‐shaped damage area.

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Section: Numerical Simulation Of Multipass Drawing 41 | Implementatio...mentioning

confidence: 99%

Numerical analyses of damage behavior of wire with inclusion in multipass drawing process

Jia-xing

Wei

et al. 2021

Fatigue Fract Eng Mat Struct

View full text Add to dashboard Cite

show abstract

Hydrogen Embrittlement of Cold Drawn Prestressing Steels: the Role of the Die Inlet Angle

et al. 2013

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Cold-drawn prestressing steel wires are susceptible to hydrogen embrittlement (HE) in aggressive environments, and residual stress-strain states generated in wires by the drawing process play the key role there. Correspondingly, alterations of the stress-strain fields due to peculiarities of the drawing procedure affect the serviceability of wires under HE. On the basis of performed numerical simulations of the process of cold drawing with the use of different drawing dies, the paper addresses the effect of the inlet angle of the die on residual stress-strain fields in wires, and derives their consequences for wires hydrogenation and their susceptibility to HE. The reduction of the die inlet angle is shown to be beneficial for the wires performance.

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The Role of Residual Stresses in the Performance and Durability of Prestressing Steel Wires

2012

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Residual stresses developed during wire drawing influence the mechanical behavior and durability of steel wires used for prestressed concrete structures, particularly the shape of the stress-strain curve, stress relaxation losses, fatigue life, and environmental cracking susceptibility. The availability of general purpose finite element analysis tools and powerful diffraction techniques (X-rays and neutrons) has made it possible to predict and measure accurately residual stress fields in cold-drawn steel wires. Work carried out in this field in the past decade, shows the prospects and limitations of residual stress measurement, how the stress relaxation losses and environmentally-assisted cracking are correlated with the profile of residual stresses and how the performance of steel wires can be improved by modifying such a stress profile.

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Effects of post-drawing treatments on the fatigue strength of eutectoid steel wires

Cited by 9 publications

References 17 publications

Numerical analyses of damage behavior of wire with inclusion in multipass drawing process

Numerical analyses of damage behavior of wire with inclusion in multipass drawing process

Hydrogen Embrittlement of Cold Drawn Prestressing Steels: the Role of the Die Inlet Angle

The Role of Residual Stresses in the Performance and Durability of Prestressing Steel Wires

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