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EFFECT OF RESISTANCE SPOT WELDING PARAMETERS ON DC06 STEEL WELD SPOT QUALITY

1 KOLAŘÍKOVÁ Marie
Co-authors:
1 KOLAŘÍK Ladislav 1 FOREJTOVÁ Lucie 1 KRAMÁR Tomáš 2 SOVA Jan
Institutions:
1 CTU - Czech Technical University of Prague, Faculty of Mechanical Engineering, Technická 4, Prague, Czech Republic, EU, marie.kolarikova@fs.cvut.cz
2 WORKSWELL, Dr. Zikmunda Wintra 376/5, Prague, Czech Republic, EU, jan.sova@workswell.cz
Conference:
27th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 23rd - 25th 2018
Proceedings:
Proceedings 27th International Conference on Metallurgy and Materials
Pages:
730-735
ISBN:
978-80-87294-84-0
ISSN:
2694-9296
Published:
24th October 2018
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
568 views / 270 downloads
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Abstract

The paper deals with the influence of the main welding parameters of resistance spot welding on the quality of the joint. The influence of the parameters was investigated within the range of welding area where satisfactory welding is expected (according to EN ISO 14373). DOE analysis was used as an analytical tool. The DC06 deep-drawing steel, 0.7 mm thick, used in the automotive industry was used as the base material. Quality was assessed by visual testing, ultrasonic testing, macroscopic and shear tests. The results shown that, in the area of optimized welding parameters, the welding current has a well-defined effect on the quality of the weld joint and the size of the welding nuggets. The results can be used to predict the size of the welding nugget depending on the set welding parameters.

Keywords: RSW; DOE; DC06; Welding Parameters; UT

© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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