Physics · Engineering Physics
In the percussion welding process, the weld is primarily formed between the pieces by which of the following mechanisms?
- 1Chemical reaction from a bare metal electrode and flux
- 2Intense electrical arcing followed by a heavy application of pressure✓
- 3Deposition of molten filler metal from a coated electrode
- 4Intense heating followed immediately by sudden cryogenic cooling
Correct answer
Intense electrical arcing followed by a heavy application of pressure
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