Study on Deformation Mechanism of Tube Hydropiercing

Qiang Wang; Na Teng; Dong Mei Cai; Shi Hong Zhang

doi:10.4028/www.scientific.net/AMR.97-101.166

Paper Titles

Study on the Impact of Fine-Blanking with Negative Clearance on the Materials Microstructure and Hardness
p.149

Influence of Isothermal Forging Temperature on Microstructure and Tensile Properties of Ti-5.8Al-4.0Sn-4.0Zr-0.7Nb-0.4Si-1.5Ta Near-α Titanium Alloy
p.153

Numerical Simulation on the Effect of Process Parameters for Incremental Sheet Forming
p.158

Determination of Winding Tension in Manufacturing Strip Wound Die
p.162

Study on Deformation Mechanism of Tube Hydropiercing
p.166

An Investigation of Fineblanked Surface of Cold-Rolled 45 Steel
p.170

Simulation and Analysis on Microstructure Evolution of Large Generator Retaining Ring during Multi-Fire Forging
p.176

Preparation and Characterization of Well-Dispersed Nd_1.6Eu_0.4Zr₂O₇ Solid Solution and its Fluorescent Behavior
p.182

Ultra-Fine Grained Fe-32%Ni Alloy Processed by Multi-Axial Forging
p.187

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Study on Deformation Mechanism of Tube Hydropiercing

Abstract:

The numerical simulation of tube hydropiercing process on a typical tubular component was conducted by employing the FEM code MARC in order to investigate the deformation mechanism of tube hydropiercing. The 3D FEM models have been established in both inward and outward punching operations. Based on the calculation results of the distributions and their changes of stress and deformation, a plastic bending deformation zone in the vicinity of the hole’s edge has been discovered, which differs greatly from that in the conventional sheet metal punching process. Influence of inner pressure on the quality of hydropierced hole was also investigated.