Welding Technology
PR8592 WELDING TECHNOLOGY
UNIT I GAS AND ARC WELDING PROCESSES
Fundamental principles – Air Acetylene welding, Oxyacetylene
welding, Carbon arc welding, Shielded metal arc welding, Submerged arc welding,
TIG & MIG welding, Plasma arc welding and Electroslag welding processes -
advantages, limitations and applications.
UNIT II RESISTANCE WELDING PROCESSES
Spot welding, Seam welding, Projection welding, Resistance Butt
welding, Flash Butt welding, Percussion welding and High frequency resistance
welding processes - advantages, limitations and applications.
UNIT III SOLID STATE WELDING PROCESSES
Cold welding, Diffusion bonding, Explosive welding, Ultrasonic
welding, Friction welding, Forge welding, Roll welding and Hot pressure welding
processes - advantages, limitations and applications.
UNIT IV OTHER WELDING PROCESSES
Thermit welding, Atomic hydrogen welding, Electron beam welding,
Laser Beam welding, Friction stir welding, Under Water welding, Welding
automation in aerospace, nuclear and surface transport vehicles.
UNIT V DESIGN OF WELD JOINTS, WELDABILITY AND TESTING OF WELDMENTS
Various weld joint designs – Welding defects – causes and remedies
- Weldability of Aluminium, Copper, and Stainless steels. Destructive and non
destructive testing of weldments.