Development of Central Minute Cavity in the Workpiece of Cross Wedge Rolling

Cui Ping Yang; Kang Sheng Zhang; Zheng Huan Hu

doi:10.4028/www.scientific.net/AMM.215-216.766

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 215-216Development of Central Minute Cavity in the...

Development of Central Minute Cavity in the Workpiece of Cross Wedge Rolling

Abstract:

Central cavity in the workpiece of cross wedge rolling is a high-level product defect which would seriously weaken the strength of material. Based on the three-dimensional elastic-plastic finite element analysis method, numerical simulation of cross wedge rolling parts with minute central cavities was performed. The area changes of the minute central cavities were obtained, and combined with the internal stress state during the rolling process, the viewpoint that tensile stress in the three-dimensional directions is one factor that leads to cavity growth was expound.

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Periodical:

Applied Mechanics and Materials (Volumes 215-216)

Pages:

766-770

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.215-216.766

Citation:

Cite this paper

Online since:

November 2012

Authors:

Cui Ping Yang, Kang Sheng Zhang, Zheng Huan Hu

Keywords:

Central Cavity, Cross Wedge Rolling (CWR), Finite Element, Simulation, Tensile Stress

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References

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