Lead-Free Solder Alloys: Their Properties And Best Types For Daily Use

Lead-free solder alloys have been around for as long as people have done soldering, with sources dating back about 5,000 years. Most of these alloys were combinations like copper-silver or silver-gold and used with so-called hard soldering. That’s a technique still used today to join precious and semi-precious metals together. A much more recent development is that of soldering electronic components together, using ‘soft soldering’, which entails much lower temperatures.

via Lead-Free Solder Alloys: Their Properties And Best Types For Daily Use — Hackaday

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