Welding Engineering 300


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  • Assignment 3: More Welding Processes   We have had a chance to look at even more welding processes from which we can make selections when faced with challenging engineering problems.  Here is a challenging problem to try!
  • Assignment 4: Physics of Welding-Weld Size        Sometimes welding engineers are asked to use physical principles pertaining to heat source and heat transfer efficiencies to estimate whether welds will be adequate for their intended service.  This homework will give an example.
    Assignment 5: Heat Flow
        The distribution of heat around the weld is important as this leads to both structural and property changes, and results in weld residual stresses and distortion.  You will work on heat flow and temperature distributions in this assignment.
    Assignment 6: Metallurgy - Tie line 
    Changes in metallurgical structure occur as the heat of the welding arc passes.  Knowledge of metallurgical phase diagrams and the ability to determine what structure occur on heating and cooling is very important.  Here we will look at an iron - iron carbide diagram for a common steel.
  • Assignment 7: Tempering of Martensite  In this homework you will examine what happens when hard brittle martensite is tempered with some unexpected results.
  • Assignment 8: Welding Metallurgy-Cross Weld Hardness     Now let's take our metallurgy background and apply it directly to a welding problem.
  • Midterm: Click here to see some sample problems
  • Assignment 9: Stress-Strain Curves  Drawing and understanding a stress-strain curve is the starting point for a design engineer.  This will give you some practice.
  • Assignment 10: Joint Design  We can continue on in our design experience by examining a welded joint design in this homework problem. 
  • Assignment 11: Welding Symbols  Welding symbols are used to communicate the results of our design activity to welders and shop personnel who will fabricate the part.  Errors in communication result in faulty or perhaps even unsafe parts.
  • Assignment 11 A: Blueprint  Often a welding engineer is called upon to make or interpret a blue print.  This exercise will give you some practice while you design a more cost effective welded product to replace a machined product.
  • Assignment 12: Residual Stress and Distortion     Residual stresses which cause distortion can make some parts unfit for their intended service.
  • Assignment 13: Discontinuities Welds which have discontinuities must be examined to determine if these are too severe for service thus becoming defects.
  • Assignment 14: Codes & Standards    Most welding is performed according to code requirements.  This homework will give some experience.
  • Assignment 15: NDE  After welding a part, we often need to inspect it non-destructively.