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Table 2 Specific welding parameters used in the experiment

From: Effects of Cover Sheets on the Nugget Growth and Fracture Behavior of Resistance Spot Welded Q&P980 Steel Joints

Welding parameter

Experimental condition

Number of welding pulses


Cooling time between pulses

20 ms

Welding time per pulse

120 ms

Electrode force

4.5 kN

Holding time

250 ms

Welding current

5.5 kA - expulsion (0.5 kA interval)