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Focuses on problems and solutions encountered when welding similar and dissimilar metals. Students will learn to determine the capacity of a metal to be welded and perform satisfactorily under fabrication conditions imposed. Emphasis is on porosity in welds, hydrogen problems, heat treatments in welding, corrosion in stainless steel welds, hot and cold cracking and their solutions.
Introduces students to basic metallurgy including the location of ore deposits, derivation of metals from their ores, refinement and purification, and admixture and alloying. The classification of ferrous and nonferrous metals and the study of basic metallurgical diagrams is also discussed. Students focus on the behavior of metal during welding and the effects of welding on the properties of metals.
Provides an overview of the three basic welding processes, i.e. wire feed welding (GMAW, FCAW), stick welding (SMAW), and TIG welding (GTAW). The lab work will be equally divided among the welding processes.
Introduces the process commonly called the wire feed process for MIG welding. This course covers the solid wire, flux cored and metal cored methods of wire feed welding. Safety, power source setup and adjustment, gas selection and proper wire selection are taught. This course focuses on mild steel materials.
Focuses on the process commonly referred to as Heliarc or TIG welding. This course covers GTAW relating to stainless steel and aluminum. Students set up and operate the power source. Safety and the selection of the proper electrode and the proper filler metal are emphasized.