Engineering Mechanics

International Conference

Proceedings Vol. 24 (2018)


ENGINEERING MECHANICS 2018

24th INTERNATIONAL CONFERENCE
May 14 – 17, 2018, Svratka, Czech Republic
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Editors: Cyril Fischer and Jiří Náprstek

Copyright © 2018 Institute of Theoretical and Applied Mechanics of the Cech Academy of Sciences, Prague

ISBN 978-80-86246-88-8 (printed)
ISBN 978-80-86246-91-8 (electronic)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

The analysis of stainless steel welded connections made by low energy and classic welding processes
Gucwa M., Winczek J., Kukuryk M., Makles K.
pages 273 - 276, full text

Welding of stainless steels, and in particular steels with austenitic structure requires proper technical preparation, appropriate technology and technical knowledge. The main area of research of the experimental part of the work was to compare the classical MIG / MAG welding method with its alternative STT® variant in terms of weldability, i.e. determine the possible advantages in various aspects of welding (weld quality, economy) thanks to the STT® method. For this purpose, joints were made using both methods for two different grades of stainless steels. Samples were cut from such prepared joints, which were subjected to non-destructive, micro- and macroscopic tests. Practical STT® welding tests confirmed the advantage over the classic GMAW method, however, this advantage applies only to a certain type of weld (root) and a thickness not exceeding 6 mm. This means that cost-effectiveness is only possible in the case of a large number of such welds performed during the working day. In another case, anyway, one must use the second welding source to position the groove-filling layers.


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