Plastic deformation analysis of accumulative back extrusion

Yoon, SC, Nagasekhar, AV, Kang, SY and Kim, HS (2009). Plastic deformation analysis of accumulative back extrusion. In: Ruehle, M, INTERNATIONAL JOURNAL OF MATERIALS RESEARCH. Workshop on New Advances in SPD Processing and Properites of Ductile Nanostructured Materials, Melbourne AUSTRALIA, (1715-1719). JUN 01-04, 2009. doi:10.3139/146.110236

Author Yoon, SC
Nagasekhar, AV
Kang, SY
Kim, HS
Title of paper Plastic deformation analysis of accumulative back extrusion
Conference name Workshop on New Advances in SPD Processing and Properites of Ductile Nanostructured Materials
Conference location Melbourne AUSTRALIA
Conference dates JUN 01-04, 2009
Proceedings title INTERNATIONAL JOURNAL OF MATERIALS RESEARCH   Check publisher's open access policy
Journal name International Journal of Materials Research   Check publisher's open access policy
Place of Publication Munich, Germany
Publisher Carl Hanser Verlag GmbH & Co. KG
Publication Year 2009
Year available 2009
Sub-type Fully published paper
DOI 10.3139/146.110236
ISSN 1862-5282
Editor Ruehle, M
Volume 100
Issue 12
Start page 1715
End page 1719
Total pages 5
Collection year 2010
Language eng
Abstract/Summary Finite element analysis for the recently developed plastic deformation process, accumulative back extrusion, is carried out to understand the plastic deformation behavior during the processing in terms of geometry, equivalent strain, principal stress, and load history. The simulated results show that the deformation is highly nonuniform, and that it is almost impossible to achieve strain homogeneity by repeating the accumulative back extrusion process. In addition, the folding defects generated in the workpiece with cycles of accumulative back extrusion can cause surface fracture.
Subjects E1
091209 Polymers and Plastics
869999 Manufacturing not elsewhere classified
Keyword Severe plastic deformation
Accumulative back extrusion
Strain heterogeneity
Finite element analysis
Indirect extrusion
Q-Index Code E1
Q-Index Status Confirmed Code

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Created: Sun, 07 Feb 2010, 10:05:38 EST