Course Content
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General properties of heat cycle and heat distribution, properties of welding basic processes, deformation and stresses after welding, metallurgical investigation of welding, properties of metallurgical investigation of welding, macro investigation of welding, micro investigation of welding, formation of melting time, formation of chemical composition of welding metal, physico-chemical of elements behavior, Effect of gaseous environmental environment, Effect of hydrogen, Effect of solid environment, Change of chemical composition during melting, Solid phase transformations at the source's heating and cooling stage, Change of structures, Change of composition, Melting time ,, Isomorphic non-transformational biphasic alloys ,, Prevention of isomorphic transformation , Hardening and cold breakage in welding of steels, Hardening factors during welding, Results of hardening at the moment of welding, Cold breakage, Welded in welded steel structures Color, Heat treatments in steel welds, Purpose and use of heat treatments, Stress relief and / or Annealing
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