Modeling and simulation of forward Al extrusion process using FEM

The main objective of this paper is to study the effect of extrusion parameters (extrusion stresses and temperature) and die geometry, i.e. extrusion radius, on the extruded aluminum quality using FEM Simulation Technique. For this purpose, the general FEA Software ABAQUS was used to set up the fini...

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Main Authors: Magid, Hani Mizhir, Sulaiman, Shamsuddin, Mohd Ariffin, Mohd Khairol Anuar, Baharudin, B. T. Hang Tuah
Format: Article
Language:English
Published: Trans Tech Publications 2014
Online Access:http://psasir.upm.edu.my/id/eprint/34544/
http://psasir.upm.edu.my/id/eprint/34544/1/Modeling%20and%20simulation%20of%20forward%20Al%20extrusion%20process%20using%20FEM.pdf
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author Magid, Hani Mizhir
Sulaiman, Shamsuddin
Mohd Ariffin, Mohd Khairol Anuar
Baharudin, B. T. Hang Tuah
author_facet Magid, Hani Mizhir
Sulaiman, Shamsuddin
Mohd Ariffin, Mohd Khairol Anuar
Baharudin, B. T. Hang Tuah
author_sort Magid, Hani Mizhir
building UPM Institutional Repository
collection Online Access
description The main objective of this paper is to study the effect of extrusion parameters (extrusion stresses and temperature) and die geometry, i.e. extrusion radius, on the extruded aluminum quality using FEM Simulation Technique. For this purpose, the general FEA Software ABAQUS was used to set up the finite element model of the warm aluminum extrusion in two dimensions (2D). Aluminum alloy Al-2014 was used as billet material, with 40mm diameter and 75mm length. The extrusion process was modeled as isothermal, which means that the billet material was preheated at a specific temperature and then pressured into the circular die, with extrusion ratio 3.3. Optimized algorithms for extrusion parameters were proposed regarding the concluded simulating results. The results showed that small die angles required higher extrusion load than large die angles. In all die geometry used, the deformation of aluminum billet, which is caused by shearing and compression stresses, happened in a small sectional area (bearing area). The results also showed that, the values of these stresses can increase or decrease depending on the die entrance angle and the die bearing length. To avoid the effects of these stresses on die dimensions; the hardness, material selection, and geometry should be well calculated. An axis-symmetrical 2D geometric model of the tooling and billet was constructed for the analysis. Data obtained from the FE model included die-work piece contact pressure, effective stress and strain and material deformation velocity. The correlation between the calculated and FEA data was obtained in this research.
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spelling upm-345442016-09-19T03:50:37Z http://psasir.upm.edu.my/id/eprint/34544/ Modeling and simulation of forward Al extrusion process using FEM Magid, Hani Mizhir Sulaiman, Shamsuddin Mohd Ariffin, Mohd Khairol Anuar Baharudin, B. T. Hang Tuah The main objective of this paper is to study the effect of extrusion parameters (extrusion stresses and temperature) and die geometry, i.e. extrusion radius, on the extruded aluminum quality using FEM Simulation Technique. For this purpose, the general FEA Software ABAQUS was used to set up the finite element model of the warm aluminum extrusion in two dimensions (2D). Aluminum alloy Al-2014 was used as billet material, with 40mm diameter and 75mm length. The extrusion process was modeled as isothermal, which means that the billet material was preheated at a specific temperature and then pressured into the circular die, with extrusion ratio 3.3. Optimized algorithms for extrusion parameters were proposed regarding the concluded simulating results. The results showed that small die angles required higher extrusion load than large die angles. In all die geometry used, the deformation of aluminum billet, which is caused by shearing and compression stresses, happened in a small sectional area (bearing area). The results also showed that, the values of these stresses can increase or decrease depending on the die entrance angle and the die bearing length. To avoid the effects of these stresses on die dimensions; the hardness, material selection, and geometry should be well calculated. An axis-symmetrical 2D geometric model of the tooling and billet was constructed for the analysis. Data obtained from the FE model included die-work piece contact pressure, effective stress and strain and material deformation velocity. The correlation between the calculated and FEA data was obtained in this research. Trans Tech Publications 2014 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/34544/1/Modeling%20and%20simulation%20of%20forward%20Al%20extrusion%20process%20using%20FEM.pdf Magid, Hani Mizhir and Sulaiman, Shamsuddin and Mohd Ariffin, Mohd Khairol Anuar and Baharudin, B. T. Hang Tuah (2014) Modeling and simulation of forward Al extrusion process using FEM. Applied Mechanics and Materials, 564. pp. 525-532. ISSN 1660-9336; ESSN: 1662-7482 http://www.scientific.net/AMM.564.525 10.4028/www.scientific.net/AMM.564.525
spellingShingle Magid, Hani Mizhir
Sulaiman, Shamsuddin
Mohd Ariffin, Mohd Khairol Anuar
Baharudin, B. T. Hang Tuah
Modeling and simulation of forward Al extrusion process using FEM
title Modeling and simulation of forward Al extrusion process using FEM
title_full Modeling and simulation of forward Al extrusion process using FEM
title_fullStr Modeling and simulation of forward Al extrusion process using FEM
title_full_unstemmed Modeling and simulation of forward Al extrusion process using FEM
title_short Modeling and simulation of forward Al extrusion process using FEM
title_sort modeling and simulation of forward al extrusion process using fem
url http://psasir.upm.edu.my/id/eprint/34544/
http://psasir.upm.edu.my/id/eprint/34544/
http://psasir.upm.edu.my/id/eprint/34544/
http://psasir.upm.edu.my/id/eprint/34544/1/Modeling%20and%20simulation%20of%20forward%20Al%20extrusion%20process%20using%20FEM.pdf