GMAW Lab Homework 1

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Across
  1. 4. The rapid cooling of a hot metal workpiece, usually in water or oil
  2. 6. A defect where a groove is melted into the base metal and left unfilled
  3. 7. The science and study of the physical and chemical behavior of metals
  4. 8. A mixture of two or more metals to improve material properties
  5. 10. The type of stress that pulls a material apart until it breaks
  6. 11. Reheating a hardened metal to reduce brittleness and increase toughness
  7. 12. Warping or twisting of the metal caused by uneven heating and cooling
Down
  1. 1. The depth to which the arc melts and fuses into the base metal
  2. 2. The localized volume of molten metal before it solidifies into a bead
  3. 3. The ability of a metal to bend or stretch without cracking
  4. 5. Solid foreign matter like slag trapped inside the weld metal
  5. 9. Any discontinuity or flaw that makes a weld fail inspection codes