축대칭 벌징형 하이드로포밍 공정에 대한 이론 및 실험적 연구 Theoretical and Experimental Study of the Axisymmetric Fluid Pressure-Driven Hydroforming Process

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The study is concerned with the theoretical and experimental investigation of axisymmetric fluid pressure-driven hydroforming of sheet metal by forming over the die cavity. The rigid-plastic finite element method is employed to calculate the stress and strain distribution. The effect of blank size and die radius is also studied in the finite element analysis. Experiments are carried out for hydroforming of cold-rolled steel sheets under various process conditions. The computational results are compared with the experimental results for the forming pressure vs. pole displacement relations and strain distributions. Comparison has shown that theoretical predictions by the finite element method are in good agreement with the experiment with the experimental observations. Thus, it is shown that the rigid-plastic finite element method is effectively used in the analysis of axisymmetric fluid pressure-driven hydroforming process.
Publisher
한국정밀공학회
Issue Date
1990-06
Language
Korean
Citation

한국정밀공학회지, v.7, no.2, pp.28 - 38

ISSN
1225-9071
URI
http://hdl.handle.net/10203/66478
Appears in Collection
ME-Journal Papers(저널논문)
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