WELDING METALLURGY

INTRODUCTION:
This training will explore the metallurgical aspect of welding for industrial materials such as carbon steel, stainless steel, nickel alloys, titanium alloys, and copper alloys. The training will emphasize the relationship between welding quality and metallurgical transformation that occur during melting and solidification of metals. Training participants will be directed to understand these phenomenon and welding defects that arise from the transformation. Failure of weld after welding or during weld repair will be discussed in relation to the material microstructure. Welding philosophy of dissimilar metals and cladded materials will also be introduced by refering to the latest welding technology. At the end of the course, some real case studies about weld failure will be presented, and participants will also be introduced to the laboratory equipments for analysis.

OUTLINE:

1. Introduction
2. Physics of welding
3. Welding metallurgy :
• Phase diagrams, phase transformation, and Preheat + Postheat
• Weld Metal
• Heat affected zone
• Distortion and residual stress
• Weld defects
4. Weld ability of metals
5. Welding metallurgy of :
• Carbon steel
• Stainless steel
• Nickel alloys
• Copper alloys
• Titanium alloys
6. Welding of dissimilar metals and cladded material
7. Case study
8. Laboratory visit(optional)

INSTRUCTOR :

Dr. Ir. Victor Malau, DEA and team

PRICE

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