Using FEA in Assessing Backward Extrusion of Multiple Micro-Pins

Mohammad Reza Salamati; Andrzej Rosochowski

doi:10.4028/www.scientific.net/KEM.611-612.589

Paper Titles

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Finite Element Analysis of the Effect of Flexible Pad on the Deformation of Metal Foils in Flexible Pad Laser Shock Microforming
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Using FEA in Assessing Backward Extrusion of Multiple Micro-Pins
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Evaluation of Tribological Properties of AlMg4.5Mn0.7 in Massive Microforming Using the Barrel Compression Test
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Characterization of Hybrid Components Consisting of SEBM Additive Structures and Sheet Metal of Alloy Ti-6Al-4V
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Estimation of Material Removal by Profilometer Measurements in Mass Finishing
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A Vertical Type Tandem Twin Roll Caster for Clad Strip Equipped with a Scraper
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HomeKey Engineering MaterialsKey Engineering Materials Vols. 611-612Using FEA in Assessing Backward Extrusion of...

Using FEA in Assessing Backward Extrusion of Multiple Micro-Pins

Abstract:

FE analyses of backward extrusion of multiple micro-pins have been conducted to examine the effects of pin geometry, layout and spacing. The effect of friction on material flow and accuracy of pin geometry has been investigated. FE analysis was performed for a commercial grade Al1050 as well as its ultrafine grained version produced by severe plastic deformation allowing a comparison to be made. Pin layout plays a large role in achieving uniformity of pin height. Material starvation resulted in the central pins being shorter than the surrounding pins. Simulations without the centre pin were conducted, which resulted in increased pin height uniformity. Simulations with friction resulted in a greater uniformity of pin height but required a greater load. Using stronger ultrafine grained material increased the load and reduced the pin height uniformity.

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Periodical:

Key Engineering Materials (Volumes 611-612)

Pages:

589-596

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.611-612.589

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Online since:

May 2014

Authors:

Mohammad Reza Salamati*, Andrzej Rosochowski

Keywords:

Backward Extrusion, Finite Element (FE) Simulation, Micro-Pins, UFG Aluminium

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References

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