There exist significant spring back in conventional sheet metal forming processes (namely deep drawing, bending and stretching) compared to non-conventional forming processes. Reduction spring back using tool compensation and stress superposition are important topics. In non-conventional forming like sheet Hydroforming and Electrohydraulic forming process (to name a few even though more non-conventional forming process occurs), one of the main advantages are reducing spring back of the deformed sheet. What are the scientific reasons behind the reduction of spring-back for non-conventional forming processes (very little spring back compared to conventional forming processes)?
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Hello,
The deformation of sheet materials through knife methods requires knowledge of the material's material. In addition, very expensive equipment with well-trained personnel is required. The investment at this stage is justified for large series of production. For small and medium-sized companies in the field of sheet plastic deformation, it will be of great help in the industrialization of the technology by hydraulic deformation.
Wishing for success in research where we can work together.
With respect
Emil Yankov
Thank you very much for your kind words. Certainly you are quite right, material science is the back bone of sheet metal forming analysis. It is all about dislocation motion and slip line controls.
In order to implement directly for industrial application namely aerospace and automobile, we need to know all those formability parameters effect like material properties, tools, anisotropy, friction so on and so forth.
Thank you once again Dr. Emil Yankov,
Wishing you successes and prosperity.
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