![]() ![]() Welding defects always appear as a result of specific physical and chemical characteristics of an Mg alloy mainly including oxidation and evaporation overheated coarse grains heat cracks pores and thermal stress and so on. The defects in the weld can be defined as irregularities in the weld metal produced due to incorrect welding parameters or wrong welding procedures or wrong combination of filler metal and parent metal. Welds with imperfections welding defects inline to point 1 such as undercut spatters porosity cracks etc. This should be managed before the welding process. Welding Defects And Discontinuities Quality Engineer Stuff The designer the purchaser or the person in charge of the welding project are entitled to define the limits of acceptance. Welding imperfections are classified according to ISO 6520 while their acceptable limits are specified in ISO 5817 and ISO 10042. Below are a few external welding defects. ![]()
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