Progress in Extrusion Technology and Simulation of Light Metal Alloys

Erscheinungsjahr 2012
ISBN: 978-3-03785-250-7
Verlag: Trans Tech Publications

Buch, Englisch, 300 Seiten, Format (B × H): 170 mm x 240 mm, Gewicht: 700 g

Volume is indexed by Thomson Reuters CPCI-S (WoS).This special volume covers all aspects of extrusion in the world of today: from innovative tools for die design to a deep analysis of the extrusion defects that still afflict most extruders and users around the world. The papers are grouped into the categories of: benchmarking, process optimization and innovation, material flow and friction, dies and tooling, seam welds and microstructures. It is expected that this book will become a source of invaluable information which will aid the everyday work of scientific and industrial researchers, engineers and students.

Autoren/Hrsg.

Tomesani, Luca

Donati, Lorenzo

Fachgebiete

• Technische Wissenschaften Maschinenbau | Werkstoffkunde Produktionstechnik Fertigungstechnik
• Technische Wissenschaften Verfahrenstechnik | Chemieingenieurwesen | Biotechnologie Mechanische und Thermische Verfahrenstechnik

Inhaltsverzeichnis

Preface and Committees
I. Extrusion Benchmark
Extrusion Benchmark 2011: Evaluation of Different Design Strategies on Process Conditions, Die Deflection and Seam Weld Quality in Hollow Profiles
II. Process Optimization
High Strength Aluminium Alloys Extrusions - A Review of the Thermo-Mechanical-Process in High Performance Profile Manufacturing
Finite Element Modelling of the Charge Welds Evolution in a Porthole Die
Surface Quality Prediction in Aluminum Extrusion
Influence of Contact Friction Conditions on Thin Profile Simulation Accuracy in Extrusion
Constitutive Equations for Hot Extrusion of AA6005A, AA6063 and AA7020 Alloys
III. Innovative Processes
Investigation of Conclad Extrusion and Multi-Billet Extrusion
Advanced Technologies Used in the Manufacture of Products from Aluminium Alloys Powder in Extrusion Process
Co-Extrusion of Aluminium-Titanium-Compounds
Processing of Wrought Magnesium Alloys to Produce Small Tubes for Biomedical Applications: Investigation about the Extrusion Process by a Laboratory Test Rig
The Process of Co-Extrusion – An Analysis
Factors Influencing Bonding Mechanics in FSW of AA5754
IV. Material Flow and Friction Evaluation
Experimental and Numerical Analysis of Material Flow in Porthole Die Extrusion
Aluminium Extrusion Weld Formation and Metal Flow Analysis in Hollow Profile Extrusions of Different Section Thickness
Experimental and Numerical Analysis of the Friction Condition in the Die Bearing during Aluminum Extrusion
Conditions for Sticking Friction between Aluminium Alloy AA6060 and Tool Steel in Hot Forming
Modeling of Friction Phenomena in Extrusion Processes by Using a New Torsion-Friction Test
Experimental and Numerical Investigations on Metal Flow during Direct Extrusion of EN AW-6082
Experimental Analysis of Velocity Fields in Hot Extrusion of Aluminium Alloy 6351
V. Seam Welding Phenomena
3D FEM-NEM Material Joining Simulation in Porthole Die Extrusion
Numerical Modeling of Extrusion Welding in Magnesium Alloys
Optimization of Aluminium Extrusion by Porthole Die Using a down Scaled Equipment
Coupled Simulative-Experimental Procedure for Studying the Solid State Bonding Phenomena
Numerical and Experimental Study on Seam Welding Behavior in Extrusion of Micro-Channel Tube
Analysis of Gas Pocket Formation during Extrusion of Al Hollow Profiles and Establishing an Extrusion Seam Weld Limit Diagram
Numerical Investigations of Welding Conditions during Extrusion of 2024 Alloy through Porthole Dies
VI. Dies and Tools
Effect of Liquid Nitrogen Die Cooling on Extrusion Process Conditions
New Concepts for Cooling of Extrusion Dies Manufactured by Rapid Tooling
Constitutive Laws for the Deformation Estimation of Extrusion Die in the Creep-Fatigue Regime
Effect of Strain Rate on Metal Flow Pattern in T-Section Extrusion Process
Design and Experimental Verification during Extrusion of Square Sections from Round Billets through Curved Dies
VII. Microstructure Prediction
Simulation of Hot Extrusion of an Aluminum Alloy with Modeling of Microstructure
Simulation of the Grain Structure Evolution of a Mg-Al-Ca-Based Alloy during Hot Extrusion Using the Cellular Automation Method