Investigation on the Effect of Liquid Hammer Geometry to the Pressure Distribution of Innovative Hybrid Impact Hydroforming

Murhaf Marai; Li Hui Lang; Shao Hua Wang; Li Jin Lin; Chun Lei Yang; Xuan Luo

doi:10.4028/www.scientific.net/AMR.941-944.1843

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Analysis of Metal Deformed Flow under Adhesive Friction by Ring Upsetting
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Investigation on the Effect of Liquid Hammer Geometry to the Pressure Distribution of Innovative Hybrid Impact Hydroforming
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 941-944Investigation on the Effect of Liquid Hammer...

Investigation on the Effect of Liquid Hammer Geometry to the Pressure Distribution of Innovative Hybrid Impact Hydroforming

Abstract:

The innovative hybrid impact hydroforming (IHF) technology is a kind of high energy forming technique which can be used for forming complex parts with small features, such as convex tables, bars etc. which are widely employed in automotive and aircraft industries. The impact hydroforming technology means the most features are formed by hydroforming and the small features are rapidly reshaped by high intensity impact energy in a very short time after the traditional hydroforming. The impact pressure rises to the peak in 10ms which belongs to dynamic loading. The present work investigates IHF using a numerical /experimental approach. Finite element simulations using MSC.Patran were carried out changing the geometrical shape of liquid hammer.. Using this shock wave loading condition we did forming experiments. During forming process, stress distribution in the blank is comparatively better as compared with traditional methods so possibility of fracture is reduced. Inertia is also an important factor which affects control quality. Therefore, the research is very useful for improving forming quality of complicated products. It will be widely applied in automotive and aircraft industries.

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Periodical:

Advanced Materials Research (Volumes 941-944)

Pages:

1843-1849

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.941-944.1843

Citation:

Cite this paper

Online since:

June 2014

Authors:

Murhaf Marai, Li Hui Lang, Shao Hua Wang, Li Jin Lin, Chun Lei Yang, Xuan Luo

Keywords:

High Energy Forming, Hybrid Impact Hydroforming (IHF) Technology, Pressure Distribition, Shock Wave, Tensile and Shear Stress

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