Slab Analysis and FEM Simulation on Rotating Compression Forming of Double-Layer Clad Cylinder under Constant Shear Friction

Author:

Tzou Gow Yi1,Weng Sen Chyi2,Kuo Bor Lih2

Affiliation:

1. Kao Yuan University

2. Cheng Shiu University

Abstract

The friction caused power losses and bulging deformation are always inevitable. The rotating compression forming can reduce the compression force and bulging deformation in metal forming. Furthermore, the bounded double-layer metal material is able to have advantage in proper material cost saving and meeting the required strength for customer. Accordingly, this present study proposes the analysis based on Slab Method (SM) and Finite Element Method (FEM) under constant shear friction to predict the compression force and the rotating moment in the rotating compression forming. Moreover the bulging deformation profiles, the effective stress, the effective strain, the velocity field, the compression force, the rotating moment, and the twist angle can be obtained from FEM simulations. It is also shown that the predicted results have the same trend to verify the acceptance of analysis models.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Reference11 articles.

1. Y. H. Kim, J. H. Park, Y. E. Jin, An Analysis of Plastic Deformation Processes for Twist-assisted Upset Forging of Cylindrical Billets, Proc. of AMPT1999, pp.79-86.

2. Y. H. Kim, J. H. Park, Y. E. Jin, An Upper Bound Analysis for Torsional Upset Forging of Cylindrical Billets, Adv. Technol. Plasticity II, 1999, pp.859-863.

3. Y. H. Kim, Y. E. Jin, J. H. Park, Y. Lee, An Analysis of the Torsional Forming Process Using the Dual Stream Function, Proceedings of the 8th International Conference on Metal Forming, 2000, pp.741-745.

4. G. Y. Tzou, Sergei Alexandrov, An Upper Bound Solution for Upsetting of Two-Layer Cylinder, Materials Science Forum Vols. 505-507, January 2006, pp.1303-1308.

5. G. Y. Tzou, Sergei Alexandrov, An Upper Bound Solution for a Two-Layer Cylinder Subject to Compression and Twist, Key Engineering Materials Vols. 345-346, 2007, pp.37-40.

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