Home > Resources > Technical Guides > Aluminum Welding Guide > Advanced Aluminum Welding Technology Seminar This seminar is offered by Hobart Aluminum Industry Experts
Aluminum Welding Guide
View technical guides for guidance on welding various metals and selecting the right Hobart Brothers filler metal solution for your application.
Aluminum Welding Guide
The Hobart Commitment – Advanced Aluminum Welding Technology Seminar This seminar is offered by Hobart Aluminum Industry Experts
Course Overview:
To provide professionals, active in the design and fabrication of aluminum structures, educational support in the areas of welding technology associated with designing and welding of aluminum structures. This will include a detailed evaluation of the many aluminum alloys, their characteristics and applications, metallurgical considerations, welding procedure development, welding processes, weld design, weld discontinuities, trouble shooting welding problems and quality control.
Course Outline – Theory
Take away every usable FACT about welding aluminum
Introduction:
- Industry trends
- Characteristics of aluminum
- Applications
- MAXAL’s guide for aluminum Welding
Codes and Standards:
- Review of AA and AWS publications
- Alloy & temper designation system
Metallurgy:
- History of aluminum production
- Alloy system characteristics of element additions
- Effect of alloying elements on structure
- Weld bead, fusion zone and heat affected zone
Weld Preparation:
- Metal storage considerations
- Dew point calculations
- Cutting, thermal and mechanical
- Cleaning techniques
Welding Processes and Procedures: GMAW (MIG) Welding
- Feedability
- Polarity/arc cleaning
- Metal transfer modes
- Power sources
GTAW (TIG) Welding
- Polarity
- Wave formation, square wave
- Tungsten electrode selection
Design and Performance:
- Corrosion types and performance
- Elevated temperature performance
- Strength performance, tensile and
shear - Weld joint design
- Toughness/elasticity/ductility
- Fatigue performance
- Post anodize color matching
Filler Metal Selection:
- Weld metal properties
- How to use the MAXALfiller metal selection chart
- Case studies
Weld Discontinuities – Cause and Correction:
- Weld cracking
- Porosity
- Inadequate fusion and penetration
AWS/D1.2 Structural Welding Code – Aluminum:
- Structural design
- Procedure qualification
- Performance qualification
- Fabrication and inspection
Course Outline – Practical
Experience the practical FEEL of a successful aluminum weld
Welding Procedures:
- Safety procedures
- WPS preparation
- Sample preparation
- Pre-weld inspection
- Welding machine set up
Fillet Welds & Groove Welds:
- Select base and filler metal
- Prepare and clean base metal
- Review and select equipment settings
Welding, Testing and Inspection:
- Create weldments
- Record settings, practice and produce samples
- Visually inspect weldments
- Perform a fillet weld fracture test and inspection
- Perform a fillet weld macroetch specimen and inspection
- Perform a groove weld guided bend test (Root and face bends)
- Evaluation of radiographic(X-ray) inspection
