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Stage 1 compaction behavior of tool steel under die pressing
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 Title & Authors
Stage 1 compaction behavior of tool steel under die pressing
Kim, Gi-Tae; Kim, Jong-Seong;
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 Abstract
The stage 1 compaction behavior of tool steel powder under die pressing was studied. The friction effects between the powder and the die wall under different die pressing modes were also investigated. The elastoplastic constitutive equations based on the yield functions by Fleck et al. and by Shima and Oyane were implemented into a finite element program to simulate die compaction processes. Finite element calculations were compared with experimental data for densification and density distribution of tool steel powder under single and double action die pressing. Finite element calculations using the yield function by Fleck et al. agreed better with experimental data than by Shima and Oyane.
 Keywords
Die Compaction;Stage 1 Compaction;Single Action Pressing;Double Action Pressing;Finite Element Analysis;Constitutive Equation;Tool Steel Powder;
 Language
Korean
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