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Abstract
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Article Information:
Experimental and Fem Investigation of Ecae on the Mechanical Properties, Extrusion Pressur and Microhardness of Pure Lead
S.M.A. Al-Qawabah
Corresponding Author: Safwan M. Al-Qawabah
Submitted: 2011 February, 20
Accepted: 2011 March, 26
Published: 2011 April, 20 |
Abstract:
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The main aim of this study is to investigate the effect of Equal Channel Angular Extrusion (ECAE)
process on the mechanical characteristics, microhardness and the extrusion pressure. Equal Channel Angular
Extrusion (ECAE) process is a technique used for imparting a large plastic deformation to materials without
a resultant decrease in cross sectional area. The pressures required for extrusion were measured, and the
mechanical properties, microhardness and extrusion pressure for lead were evaluated. ECAE die was designed
and manufactured in order to carry out this study, ANSYS software was used to investigate stress, strain, strain
energy and displacement based on FEM. It was found that the extrusion pressure is decreased as the number
of passes increased, where the microhardness is also decreased as the number of passes increased. But the
mechanical characteristics have been enhanced by 33.5% after the second pass. The lead material condensed
and become rigid as the number of passes increased. This mentioned that the ECAE could be used to have the
super plastic behavior in materials, so the max force was reduced by 60% after the third pass of extruding pure
lead.
Key words: ECAE, maximum extrusion pressure, microhardness, lead, , ,
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Abstract
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Cite this Reference:
S.M.A. Al-Qawabah, . Experimental and Fem Investigation of Ecae on the Mechanical Properties, Extrusion Pressur and Microhardness of Pure Lead. Research Journal of Applied Sciences, Engineering and Technology, (04): 357-362.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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