welding in other environments
DESCRIPTION
Welding in Other Environments. In-Space Under Water. Things to consider when fabricating parts. Material Properties Design of Part Process Selection Inspection of Finished Part Codes and Standards for Production. Materials properties. Strength Weight Elastic Modulus - PowerPoint PPT PresentationTRANSCRIPT
Welding in Other Environments
In-SpaceUnder Water
Things to consider when fabricating parts
• Material Properties• Design of Part• Process Selection• Inspection of Finished Part• Codes and Standards for Production
Materials properties• Strength• Weight• Elastic Modulus• Fatigue Properties• Impact Properties• Thermal/Electrical Properties• Corrosion Properties
O
O
H2O
CO2
Things to consider when fabricating parts
• Material Properties• Design of Part• Process Selection• Inspection of Finished Part• Codes and Standards for Production
Things to consider when fabricating parts
• Material Properties• Design of Part• Process Selection• Inspection of Finished Part• Codes and Standards for Production
Gas Tungsten Arc Welding
Electron Beam Welding (EBW)
0.1.1.2.1.T6.95.12
Laser Beam Welding (LBW)
Single pass weld penetration up to 3/4” in steel
Materials need not be conductive
No filler metal required Low heat input produces
low distortion Does not require a
vacuumKeyhole welding
Laser beam
Plasma plumeMolten
material
shieldinggas nozzle(optional)
workpiece motion
Plasmakeyhole
High Energy Density Processes
Factors that Influence Process Selection
Material joining needs Capabilities of available processes Cost Environment Required welding speed Skill level Part Fit-up
0.1.1.2.7.T31.95.12
