Finite-Element Analysis of Stress-Strain State of Steel Reinforcement in Stretching–Bending–Rebending (Cold Stretching)

The uniqueness and simplicity of the stretching–bending–rebending (SBR, cold stretching) process significantly reduces production costs, since due to low strain degree, friction is reduced, what leads to energy savings. Also, the heating temperature is reduced, which eliminates the use of complex an...

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Bibliographic Details
Published in:Steel in translation 2023-11, Vol.53 (11), p.1108-1114
Main Authors: Konstantinov, D. V., Korchunov, A. G., Ogneva, E. M., Stolyarov, A. Yu, Zaytseva, M. V.
Format: Article
Language:English
Subjects:
Bending
Chemistry and Materials Science
Cold bending
Computer simulation
Cooling systems
Deformation
Finite element method
Friction reduction
Materials Science
Mathematical analysis
Process parameters
Production costs
Reinforcing steels
Strain distribution
Stress analysis
Stress-strain relationships
Stretching
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Summary:The uniqueness and simplicity of the stretching–bending–rebending (SBR, cold stretching) process significantly reduces production costs, since due to low strain degree, friction is reduced, what leads to energy savings. Also, the heating temperature is reduced, which eliminates the use of complex and expensive cooling systems. The dissemination of SBR technology is hampered by the lack of uniform calculation patterns for selecting process parameters and the low stability of the properties of the final product. Results of the SBR process FE-simulation by SIMULIA Abaqus are presented in the article. The SBR process modes for cold-deformed reinforcement were simulated in relation to the DEM equipment in the production conditions of OJSC MMK-Metiz. Based on an assessment of the uniform strain distribution in the bar section, rational deformation modes were selected from the point of view of a favorable stress-strain state.
ISSN:0967-0912
1935-0988
DOI:10.3103/S0967091223110128