FEM Simulation Analysis of Wire Drawing Process at Different Angles Dies on Straight-Line Drawing Machines

Radionova, L. V.; Lisovskiy, R. A.; Svistun, Alexandra; Gromov, D. V.; Ердаков, И. Н.

doi:10.1007/978-3-031-14125-6_75

Cited by 6 publications

(2 citation statements)

References 17 publications

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“…FE simulations lead to a complete estimation of the residual stress and strains during the conformation process [5,[18][19][20]. New cold-drawing chain designs are developed with Metals 2023, 13, 1321 2 of 14 the aim of reducing the manufacturing-induced residual stress state, most of them by modifying the die geometry [18][19][20][21][22][23][24][25]. In [5,26,27], multistep dies were analyzed, considering multiple reductions in the same die.…”

Section: Introductionmentioning

confidence: 99%

Influence of the Straining Path during Cold Drawing on the Hydrogen Embrittlement of Prestressing Steel Wires

Toribio

Lorenzo

2023

Metals

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Cold drawing is a commonly used technique for manufacturing the prestressing steel wires used as structural elements in prestressed concrete structures. As a result of this manufacturing process, a non-uniform plastic strain and residual stress states are generated in the wire. These stress and strain fields play a relevant role as the main cause of the in-service failure of prestressing steel wires in the presence of an aggressive environment, hydrogen embrittlement (HE). In this paper, hydrogen susceptibility to HE is compared in two different commercial cold-drawn wires with the same dimensions at the beginning and at the end of manufacturing that follow different straining paths. To achieve this goal, numerical simulation with the finite element (FE) method is carried out for two different industrial cold-drawing chains. Later, the HE susceptibility of both prestressing steel wires was estimated in terms of the hydrogen accumulation given by FE numerical simulations of hydrogen diffusion assisted by stress and strain states, considering the previously obtained residual stress and plastic strain fields generated after each wire-drawing process. According to the obtained results, the hardening history modifies the residual stress and strain states in the wires, affecting their behavior in hydrogen environments.

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Section: Introductionmentioning

confidence: 99%

Influence of the Straining Path during Cold Drawing on the Hydrogen Embrittlement of Prestressing Steel Wires

Toribio

Lorenzo

2023

Metals

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“…The study [36] shows the intensity of the temperature increase when the drawing speed changes from 1 to 7 m/s, which corresponds to the drawing machines of the previous generation. The maximum temperature during such drawing does not exceed 70 • C. In studies [37,38], the strain rates were calculated during drawing with a speed of 20 m/s. Using the FEM method, the distribution of strain rates over the wire cross-section was shown with a change in the angle of the die.…”

Section: Introductionmentioning

confidence: 99%

Mathematical Modeling of Heating and Strain Aging of Steel during High-Speed Wire Drawing

Radionova

Gromov

Svistun

et al. 2022

Metals

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In this article, a mathematical model of the wire’s average temperature change in the process of multiple drawing on high-speed straight-line drawing machines has been developed. The calculation results showed that the average temperature of the wire during a drawing at a speed of up to 45 m/s on straight-line drawing machines could reach 400 °C. Deformation heating of the wire during drawing does not exceed 60 °C, and heating due to sliding friction can reach 300 °C, depending on the friction coefficient, which ranges from 0.05 to 0.15. The average strain rates under the conditions of the modern high-speed drawing process reach 7000 s−1. Over the course of the research, it was found that there are no conditions for the occurrence of dynamic deformation aging due to impurity atoms of carbon, nitrogen and oxygen. At the same time, at the temperature and speed parameters of the high-speed wire drawing, conditions are created for the onset of the dynamic strain aging of steel in the presence of hydrogen atoms. Therefore, during heat treatment and pickling, it is necessary to exclude the hydrogenation of steel. It has been established that in order to exclude static strain aging of steel during drawing, it is necessary to prevent heating the wire above 180–200 °C.

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Reducing the Metal Consumption of the Formwork Profile for Monolithic Construction

Gromov,

Radionova,

Erdakov

et al. 2024

Lecture Notes in Civil Engineering

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FEM Simulation Analysis of Wire Drawing Process at Different Angles Dies on Straight-Line Drawing Machines

Cited by 6 publications

References 17 publications

Influence of the Straining Path during Cold Drawing on the Hydrogen Embrittlement of Prestressing Steel Wires

Influence of the Straining Path during Cold Drawing on the Hydrogen Embrittlement of Prestressing Steel Wires

Mathematical Modeling of Heating and Strain Aging of Steel during High-Speed Wire Drawing

Reducing the Metal Consumption of the Formwork Profile for Monolithic Construction

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