Oct 26, 2021  
2018-2019 Catalog 
    
2018-2019 Catalog [ARCHIVED CATALOG]

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EWLD 443 - Physics of Welding

2 credits (Hrs: 2 Lec., 1 Lab)
This course covers the physical processes underlying most welding processes including primary energy sources, thermal sources, shielding requirements and the application of force or pressure. specific topics include an atomic view of welding, the requirements for chemical bonding (coalescence), heat source/material interactions, arc physics, 2- and 3-D heat flow, mass flow, melting and solidification and the development of residual stresses. The lab portion makes use of demonstrations and engineering measurement exercises to complement the discussion of welding physics lectures. Computerized data collection equipment is used to record raw data from welding processes (primarily arc welding processes). The data is then analyzed to extract meaningful engineering information and correlated to weld properties. Lab exercises include measurements of weld heat-affected zone thermal cycles, solidification and cooling rate, heat source and melting efficiencies and weld pool geometry.

Prerequisite(s): EWLD 340. Course generally offered 1st semester.



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