The TIG welding process is well known for its advantages and exclusivity when it comes to weld materials such as Titanium, Magnesium, Aluminium, etc. which requires special conditions, therefore in this experiment we use TIG welding procedure to join two materials to two different base materials: Cu-(FM) on ferritic stainless steel-(BM); Mg-(FM) on Copper-(BM). In this paper are analysed intermetallic compounds and constituents formed in different zones of welded sample: HAZ of base material, fusion line, fusion zone, etc. To produce qualitative, braze-welded joints between dissimilar materials, we need to fully understand and take in consideration different factors. Obtained results are evaluated by optical microscopy, scanning electron microscopy and EDX-analyses.Keywords: TIG welding, magnesium, ferritic stainless steel, intermetallic compounds, constituents
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