Aluminum Extrusion Technology Seminar (2000)

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Get valuable insights into Aluminum Extrusion with topics like machinability optimization, billet microstructure, and simulation of flow at Aluminum Extrusion Technology Seminar (2000).

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VOLUME I – Brief Contents

Extrusion Process
Extrusion Equipment

EXTRUSION PROCESS

The Causes of Variation in Extruded Section Weight
Optimizing Machinability of 6063 Extrudates by Thermomechanical Processing

Process

Simulation of Flow of the Billet Surface into the Extruded Product
Optimizing Extrusion through Effective Experimentation and Analysis
Effect of Preheating Practices for Unhomogenized 6063 Alloy Billet on Billet Microstructure and Extruded Properties
Extrusion Defects – Helping the Customer to Solve Them!

Quenching

Quench Sensitivity of 6063 and 6082 Aluminum Alloys
Taper Quenching, A Case Study
Smart Quenching

Flow and Modeling

Numerical Simulation of the Extrusion of Complex (Hollow) Profiles
An Evolution- and Biology-Based Approach to the Optimization of the Extrusion Process
Modeling Mg₂Si Dissolution in an AA6063 Alloy During Preheating to the Extrusion Temperature
3D FEM Simulation of Thermal and Mechanical Events Occurring During Extrusion Through a Channel-Shaped Die
Semi-Empirical Modeling of Multi-Hole Extrusion on a 5000-Ton Indirect Extrusion Press
Material Flow and Prediction of Extrusion Pressure when Extruding Through Bridge Dies Using FEM
FE-Analysis of Inward Flow of Surface Materials at the Back End of Billet During Al–Extrusion
Physical and Numerical Modeling of Billet Upsetting
New Hollow Extrusion of High Strength Al-Mg-Si-Cu Alloy
Multipurpose Friction-Assisted Indirect Extrusion (FAIE) Technology
On the Mechanics of Friction During the Extrusion Process
Theoretical and Experimental Analysis of Seam Weld Formation in Hot Extrusion of Aluminum Alloys
Simulation of the Effect of Tooling and Billet Condition on Bulk and Surface Metal Flow During Extrusion

Metallurgy

Effect of Die Design on Microstructure of Extruded Aluminum
Crystallographic Analysis of Deformation Zone in 6xxx Aluminum Alloys
Effect of Large Plastic Strains Accumulation on Aluminum Structure and Properties
A Review of New Approaches and Technologies in Extrusion Welds Related to the Background of Existing Knowledge
The Effect of Extrusion Conditions on the Surface Properties of AlMgSi (6063) Hollow Sections
A New Metallographic Technique to Reveal Grain Structure in 6000 Aluminum Alloys
Temperature-Speed Parameters in Extrusion of Thin-Walled Sections from Aluminum Alloys

Hard Alloy

Extrusion of 2xxx & 7xxx Alloys
Optimal Conditions for Extrusion Processes of Aluminum Alloys in Mushy State and Composites in Mushy-Solid State
On the Relationship between Extrusion Conditions, Mechanical Properties, and Surface Acceptability in Some Hard Aluminum Alloys
Sources of Blister in 7075 Thin Gage Extrusion in Fabrication

Processing Special Materials

Extrusion of Shapes and Tubes in Dissimilar Alloys
Extrusion of High-Performance Shapes out of Hard Deformable Aluminum Alloys by Friction-Assisted Extrusion Method
Extrusion of High-Hot Strength Aluminum Alloys Produced by Powder Metallurgy

Quality Control BIAS

Minimal Attainable Wall Thickness in Aluminum Extruded Sections
Effect of Chemistry, Extrusion Speed and Temperature, Die Design on Recrystallized Layer Thickness in Extruded Aluminum Alloy 6061
Thermal Cycle Simulation of 6xxx Aluminum Alloy Extrusion

EXTRUSION EQUIPMENT

Implementation of Temperature Measurement and Control in Aluminum Extruders
Intensive Cooling of Light Metal Alloy Extrusions by Air and Water
High-Performance Cooling for Large Aluminum Sections – Industrial Application of a Compact Combined Air-Water In-Line Quench
Tool Steels and Design of Modern Light Metal Extrusion Containers
Managing Extrusion Plant Maintenance

Press

Manufacture of a Four-Part Container for a 13,000 T Extrusion Press
Objective Examination of Converting a Long Stroke Aluminum Extrusion Press to a Short Stroke Type
Extrusion Press Total Control System
Presses Operating with Tandem-Mounted Cylinders
Extrusion Press Alignment with Modern Technology
A Low Energy, Reliable, Electro–Hydraulic System for Extrusion Presses

Post Press

Semi–Continuous Aging Oven
New Aging Furnace Designed for Improved Quality and Increased Production
Power Consumption Control: A New Temperature Control System for Aging Furnaces and other Chamber Furnaces
Improved Layout and Handling Downstream of the Extrusion Line

Conform

Practical Experience with Castex
Extrusion Zone Gap Measurement and Control of the ConformTM Process
Plane Strain and Three-Dimensional Coupled Thermomechanical Simulation of the Conform Process
The Structure and Development of a Computer Model to Simulate the Conform Process
Axisymmetric Modeling of Aluminum Extrusion Using an Expansion Chamber

Temperature Control

Advanced Process Temperature Monitoring and Control System (APTMC System)
Closed-Loop Isothermal Extrusion
Temperature Controlled Container Heating-Cooling Systems
Continuous Control of Thermodynamic Temperature in Extrusion, Rolling, and Forging of Aluminum Alloys
Complete Extrusion Press Control Thermometry — A Reality at Last

Billet Heating

Extrusion Furnace Technology
A Novel Gas-Fired Plant for Fast Heating of Light Metal Billets using High Convection Technology

Profile Measurement

The Application of Geometric Acquisition Devices (GAD) for Process Control in the Aluminum Extrusion Industry
Using Digital Scanning Techniques for Inspection of Extruded Profiles

VOLUME II – Brief Contents

Billet Process and Equipment
Die Design and Technology
Value Added
Management Issues

BILLET PROCESS AND EQUIPMENT

Comparison of the Extrusion Performance and Product Characteristics of Three Structural Extrusion Alloys: AA6061, AA6082, and AA6005A
Optimized 6xxx Alloy Billet Performance: A Structured Approach

Metallurgy

The Mechanism of Pick-Up Formation on 6063 Aluminum Alloy Extrusions
The Control of Precipitation in the Billet for Higher Extrudability of Al-Zn-Mg-Cu Alloys

Metal Treatment and Alloying

Rigorous Metallographic Technique for the Examination of Cast and Homogenized 6xxx Log Cross Sections
Procias: The Application of Experimental Design Techniques to Optimize the Quality of an Aluminum 6005 Alloy Melt
Dissolution of Iron in Aluminum Melt
Recent Experience with the Alcan Compact Degasser in Billet and Continuous Casting

Casting/Homogenization

An Update on the Aluminum Association’s Molten Metal Safety Program
Quantitative Analysis of the Homogenizing Heat Treatment by Means of Al-Fe-Si Particle Analysis and the Effect on Productivity
Cooling Water Circulation Core for Casting Hollow Ingots
An Overview of Aluminum D.C. Billet Casting

Homogenization

Effect of Intermetallic Compound Distribution on Extrusion Surface in 6061 Alloy
Effect of Homogenization Cooling Rate and Microstructural Features of Al-Mg-Si Billets on Extrudability and Section Properties in the T5 Temper
Continuous Homogenizing of 6xxx Alloy Aluminum Extrusion Billets at Alcoa–Intalco Works
An Improved Load Car Design for Log Homogenizing

Furnaces

Combustion System Design Impact on Stack Emissions–Comparison and Evaluation
Recent Trends in Billet Casthouse Furnace and Casting Equipment
New Melt Technology for Aluminum Recycling
Meeting Emission Standards While Maintaining Product Quality and Production Throughput

DIE DESIGN AND TECHNOLOGY

FEM Simulations of Aluminum Extrusion using an Elasto-Viscoplastic Material Model
Modeling of Metal Flow for Bearing Design

Modeling

Case Studies on Control of Metal Flow in Pre-Chamber Dies
Computer-Based Design of Extrusion Tools
Application of FEM Modeling to Simulate Metal Flow Through Porthole Dies
Numerical Modeling of Three-Dimensional Aluminum Flow in Extrusion Dies
FEM Simulations of the Material Flow in the Bearing Area of the Aluminum Extrusion Process
Improving Flow in Soft-Core Bimaterial Billets
3-D Modeling Strength of an Industrial Porthole Die
Layered Extrusion Dies – Is there a Need for Rapid Tooling?
Development of a 3-D Die Design Tool for Aluminum Extrusion

Design

New Process of Manufacturing of Stepped Extrusion with Special Die Set Design
Extrusion Die Technology–Meeting the Demand
Innovative Extrusion Die with Two-Stage Mandrel for Close Tolerance Hollow Shapes
The Metallurgy of the Extrusion Die
Weld Integrity on a Die

Die Operations

Protect Your Press Tools
The Contemporary Fixed Dummy Block: Its Design, Operation, and Maintenance for Maximum Productivity
Integrated Die Management System–Key to Economical Efficiency of an Extrusion Plant
Improving Extrusion Performance and Quality by Utilizing Die-Splitting and Die-Polishing Systems in the Die Shop

Treatment

How PVD Coatings can Increase Life and Improve Die Performance in Aluminum Extrusion
The Development and Application of a New, Low-Temperature Surface Hardening Process for Extrusion Tools
Optimization of Nitriding Parameters for Extrusion Dies, Evaluated in an Extrusion Simulation Test

VALUE ADDED

A Low-Cost Method of Manufacturing Internal Combustion Engines using Extruded Aluminum

Finishing

Defect Analysis in Anodizing
New Finishes for Extrusions: Multicolour Electrolytic Colors for Anodized Aluminum and Their Latest Developments
The Lightfastness of Anodized and Dyed Aluminum
Pretreatment Processes to Prevent Filiform Corrosion on Painted Extrusions
The Effect of Excess Silicon on the Brightening and Anodizing Response of AA6463 Extrusions
New Non-Chrome Conversion Coating for Aluminum

Fabricating

Extrusion Pretreatments: Alternatives in Cleaning and Conversion Coating
Nylon Abrasive Filament (NAF) Brushes – Compliant Tools for Deburring and Finishing Aluminum Extrusions
Direct Rounding of Profiles During Extrusion

Marketing and Management

Why Go for Aluminum Extrusions?
Development of Value Added Extruded Products in the Rail, Shipbuilding and Electrical Markets, Supported by Finite Element Analysis (FEM)
Aluma-Strut – The New Shape of Framing

Process Control

Considerations for Total Pollution Control: Energy Conservation and Process Control Utilizing Covered Tanks
Process Control and Data Acquisition for Pretreatment Washer Systems Utilizing Computerized Graphics
Product Development Via Process Control and Complete Integration with Customer

Design and Fabrication

Structural Design of Aluminum Extrusions with ADS Software
The What, Where, and How of Friction Stir Welding
Friction Technology for the Aluminum Industries
Increasing Packing Department Productivity and Quality
Technological Breakthroughs: New Fabrication/Processing Technologies for Aluminum Extrusions Long Desired by the Markets
Aluminum Extrusion and Hydroforming: A Convergence of Technology

Publish Only

Microplasmic Aluminum Coating

MANAGEMENT ISSUES

Lead Time Reduction Strategies for Value-Added Extrusions
Improving the Performance of an Aluminum Extrusion Business
Project Management: Introducing High Tech While Avoiding Basic Mistakes
Evaluating the Performance of New Extrusion Technologies
Incorporating Elements of Aluminum Extrusion Practice into an Undergraduate Engineering Curriculum
Extrusion Technology Guide
Time, Temperature, and Training in Aluminum Extrusion
The Methodology of an Integrated Computer-Aided Extrusion Process Simulation, Die Design/Manufacturing, and Management Planning System
The Functionality and System Performance of EXTRUSOFT®
The Extrusion Ratio – How to Best Utilize it to Improve Number-of-Ports Decision
Reshaping of the Indian Aluminum Extrusion Industry – Challenges and Opportunities