Topographic inspection as a method of weld joint diagnostic

Krolczyk, Jolanta B. and Gapiński, Bartosz and Krolczyk, Grzegorz M. and Samardžić, Ivan and Maruda, Radoslaw W. and Soucek, Kamil and Legutko, Stanislaw and Nieslony, Piotr and Javadi, Yashar and Stas, Lubomir (2016) Topographic inspection as a method of weld joint diagnostic. Tehnicki Vjesnik, 23 (1). pp. 301-306. ISSN 1330-3651 (

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The paper demonstrates a topographic inspection in the specific context of three kinds of inspection methods of austenitic stainless steel welds. Visual and metrological inspection was analysed during tungsten inert gas (TIG) welding tests, showing the non-destructive techniques: X-ray, computed tomography, and surface profilometry. The article is a response to the lack of information, especially in the area of non-destructive techniques suitable for wide practical application. The Paper presents advantages and drawbacks of the analysed diagnostic methods and a classification of conventional and specific welded joint flaws. The most important defect in practical applications determining reliability of a welded joint is cracks. This kind of diagnostic is based on the obtained information about anisotropic and inhomogeneous volume under consideration in the heat-affected zone of a weld.