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Open Engineering

formerly Central European Journal of Engineering

Editor-in-Chief: Ritter, William


CiteScore 2018: 0.91

SCImago Journal Rank (SJR) 2018: 0.211
Source Normalized Impact per Paper (SNIP) 2018: 0.655

ICV 2017: 100.00

Open Access
Online
ISSN
2391-5439
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Optimization of resistance spot welding parameters for microalloyed steel sheets

Ján Viňáš / Ľuboš Kaščák / Miroslav Greš
Published Online: 2016-11-17 | DOI: https://doi.org/10.1515/eng-2016-0069

Abstract

The paper presents the results of resistance spot welding of hot-dip galvanized microalloyed steel sheets used in car body production. The spot welds were made with various welding currents and welding time values, but with a constant pressing force of welding electrodes. The welding current and welding time are the dominant characteristics in spot welding that affect the quality of spot welds, as well as their dimensions and load-bearing capacity. The load-bearing capacity of welded joints was evaluated by tensile test according to STN 05 1122 standard and dimensions and inner defects were evaluated by metallographic analysis by light optical microscope. Thewelding parameters of investigated microalloyed steel sheets were optimized for resistance spot welding on the pneumatic welding machine BPK 20.

Keywords: resistance spot welding; microalloyed steels; load-bearing capacity; metallography

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About the article

Received: 2016-07-25

Accepted: 2016-10-10

Published Online: 2016-11-17


Citation Information: Open Engineering, Volume 6, Issue 1, ISSN (Online) 2391-5439, DOI: https://doi.org/10.1515/eng-2016-0069.

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©2016 Ján Viňáš et al.. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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