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Study on Surface Roughness Muring Metal Manufacturing Process

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Abstract:

In the paper, a crystal plasticity finite element method (CPFEM) model was developed based on ABAQUS to analyse the surface roughness transfer during metal manufacturing. The simulation result shows a good agreement with the experimental result in the flattening of surface asperity, and the surface roughness decreases significantly with an increase of reduction with considering friction effect. Lubrication can delay surface asperity flattening. The effect of surface roughness on produced metal defect (crack) was also studied, and the surface roughness affects the crack initiation significantly in cold strip rolling. In addition, the surface roughness variation along the metal plate width contributes to stress distribution and then inhibition of crack nucleation.

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Periodical:

Advanced Materials Research (Volume 325)

Pages:

731-736

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.325.731

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Online since:

August 2011

Authors:

Zheng Yi Jiang, Shu Jun Wang, Dong Bin Wei, Hei Jie Li, Hai Bo Xie, Xiao Dong Wang, Xiao Ming Zhang

Keywords:

CPFEM, Defect, Friction, Surface Roughness (SR)

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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