Table 1.
Soldering | Brazing | Welding | |
---|---|---|---|
Temperatures | 450 °C | 600 °C | 3800 °C |
Fusion of filler material only | Heating below the melting point of the pieces to be joined | Heating above the melting point of the pieces to be joined | |
Filler metal | Yes | Yes | Often used |
Mechanical resistance | Poor [no changes] |
Good [negligible changes] |
Optimal [usually improved] |
Field of application | Electronic devices | When the joint does not provide a space between the pieces to be joined | Every field where high mechanical resistance is required |
Post-welding heat treatments | Not necessary | Not necessary | Yes |
Preheating | Required | Required | Sometimes required depending on the technique used |
Skill | Low | Medium | High |
Cost | Medium | Medium | High |