For information on each process visit the welding, soldering and brazing pages.
Resources:
- https://www.lucasmilhaupt.com/EN/Brazing-Academy/Metal-Joining-Welding-vs.-Brazing-vs.-Soldering.htm
- https://www.machinedesign.com/fasteners/whats-difference-between-soldering-brazing-and-welding