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Design of drawing process of 9Ni-4Co-0.3C steel to make a large pressure vessel  

Hong Jin Tae (한국과학기술원 기계공학과)
Lee Seok-Ryul (한국과학기술원 기계공학과)
Kim Kyung Jin (한국과학기술원 기계공학과)
Yang Dong Yol (한국과학기술원 기계공학과)
Lee Kyung Hun (국방과학연구소)
Choi Moon Sun ((주)ASA 특수금속사업부)
Publication Information
Journal of the Korean Society for Precision Engineering / v.22, no.12, 2005 , pp. 93-99 More about this Journal
Abstract
In this work, computer-aided process design is carried out to develop an optimal preform of a pressure vessel. Knowledge-based rules are employed to design the preform, and they are formulated using the handbooks of plasticity theories. In the FE-analysis, a commercial finite element code, ABAQUS was employed. Axisymmetric deep drawing of a hemisphere-bottomed cup has been analyzed fur various combinations of die design parameters. The length of the land of die, the clearance between punch and die and the clearance between the blank holder and die are optimized to minimize the forming load. The results of the simulations are verified with the experiments which are scaled down to one tenth of the actual size.
Keywords
Deep drawing; Elastic-plastic finite element method; Drawing ratio; Clearance; Blank holder; 9Ni-4Co-0.3C steel;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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