Pre-rolling and rolling processes of high speed wire rod based on finite element

ZHAO Hong-jin; MAN Shi-guo; ZHANG Bing; ZHANG Ying-hui

doi:10.13264/j.cnki.ysjskx.2014.03.007

Volume 5 Issue 3

Jun. 2014

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Nonferrous Metals Science and Engineering > 2014 > 5(3): 38-43. > DOI: 10.13264/j.cnki.ysjskx.2014.03.007

ZHAO Hong-jin, MAN Shi-guo, ZHANG Bing, ZHANG Ying-hui. Pre-rolling and rolling processes of high speed wire rod based on finite element[J]. Nonferrous Metals Science and Engineering, 2014, 5(3): 38-43. DOI: 10.13264/j.cnki.ysjskx.2014.03.007

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Pre-rolling and rolling processes of high speed wire rod based on finite element

School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

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Received Date: April 05, 2014
Published Date: June 29, 2014

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Abstract

Finite element simulation is performed on the pre-rolling, pre-water cooling and rolling processes of the ML08Al wire rod with specification of Φ6.5mm. The pre-rolling temperature of the rolled piece begins at 980 ℃. The simulation results of the temperature and deformation are consistent with the actual production situation. The result shows that the center temperature of rolled pieces is very high and the surface temperature of rolled pieces is low during the whole pre-rolling and rolling processes. Deformation of the rolled pieces mainly occurs in the heart of rolled pieces and diagonal directions. These areas are more likely to achieve the condition of dynamic recrystallization and refine the grain. With the condition of deformation and temperature, the gap of core organization and surface organization can aggravate the mixed grain structure. Improving the pre-cooling intensity can inhibit the grain growth and increase the organization uniformity of the product.
- rolling,
- finite element,
- mixed grain structure

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