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Microstructure and Selected Mechanical Properties of Welded Joints in Austenitic Perforated Bottoms Made Using the Automated TOP TIG Method

Lechosław Tuz, Krzysztof Sulikowski

The article presents selected test results obtained during welding tests preceding a Welding Procedure Qualification, performed using a robotic TOP TIG welding station. The test results revealed the obtainment of welded joints characterised by proper geometry and proper austenitic structure. In addition, the article presents typical welding imperfections observed in relation to the adjustment of welding process parameters, i.e. hot cracks in the weld root area and cavities.  

doi: 10.17729/ebis.2019.2/7

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