Optimization of resistance spot welding parameters for microalloyed steel sheets
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 wel...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
De Gruyter
2016-11-01
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| Series: | Open Engineering |
| Subjects: | |
| Online Access: | http://www.degruyter.com/view/j/eng.2016.6.issue-1/eng-2016-0069/eng-2016-0069.xml?format=INT |
| Summary: | 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. |
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| ISSN: | 2391-5439 |