Welding Packet Worksheet

Metal Sculpture and Construction

Phil Lonergan

Read “Historical Development of Fusion Joining” and “Properties of Metals” and answer the following questions:

1. In the 1890’s, why was the carbon-arc project slow to be accepted by many industries.



2. What does TIG stand for?


3. What does MIG stand for?


4. What adjective would you choose to describe the feeling of dropping a large piece of steel on your bare foot?



5. Define the following:


  • Ultimate tensile strength:


  • Yield strength:


  • Elongation


  • Modulus of elasticity


  • Compressive strength


  • Shear strength


  • Fatigue strength


  • Impact strength


  • Hardness