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1. General
1.1 Principle
Resistance welding was invented by the American Thomson in 1877.
This process uses the Joule effect of a high-intensity current passing through the parts to be assembled, which are brought into contact with each other and on which it is naturally or suitably concentrated.
The heat produced Q is expressed by the formula :
with :
- R :
- ...
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General
Spot welding
