Welding in Other Environments

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Welding in Other Environments

• In-Space
• Under Water

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Things to consider when fabricating parts

• Material Properties
• Design of Part
• Process Selection
• Inspection of Finished Part
• Codes and Standards for Production

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Materials properties

• Strength
• Weight
• Elastic Modulus
• Fatigue Properties
• Impact Properties
• Thermal/Electrical Properties
• Corrosion Properties

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O
H2O
O
CO2
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Things to consider when fabricating parts

• Material Properties
• Design of Part
• Process Selection
• Inspection of Finished Part
• Codes and Standards for Production

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Things to consider when fabricating parts

• Material Properties
• Design of Part
• Process Selection
• Inspection of Finished Part
• Codes and Standards for Production

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Gas Tungsten Arc Welding
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Electron Beam Welding (EBW)
0.1.1.2.1.T6.95.12
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Laser Beam Welding (LBW)
High Energy Density Processes

• 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 vacuum

Plasma keyhole
Keyhole welding
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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
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