Deformation Behavior of Cold Upset Forming of Sintered Al-Fe Composite Preforms

[+] Author and Article Information
N. Selvakumar

Department of Mechanical Engineering, Mepco Schlenk Engineering College, Virudhunagar-District, Pin: 626 005, Tamilnadu, Indiae-mail: nselva@mepcoeng.ac.in

R. Narayanasamy

Department of Production Engineering, National Institute of Technology, Tiruchirappalli-620 015, Tamilnadu, Indiae-mail: narayan@nitt.edu

J. Eng. Mater. Technol 127(2), 251-256 (Apr 06, 2005) (6 pages) doi:10.1115/1.1867984 History: Received December 15, 2003; Revised December 27, 2004; Online April 06, 2005
Copyright © 2005 by ASME
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SEM Micro Photograph of aluminum and iron powder, 500X
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Schematic diagram of the compacting process before and after deformation
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Microstructure of Al–2%Fe Composite preforms, 100X: (a) green compact before sintering; (b) after sintering; and (c) end of deformation.
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The relationship between σz and εz
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The relationship between (ρfth) and ez−εθ)
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The relationship between σz and (ρfth)
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The relationship between Poisson’s ratio and (ρfth)
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Variation of Poisson’s ratio with respect to (ρfth)
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Variation of stresses with respect to the axial strain for Al–Fe composites.



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