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 ...

Lightweight materials have become increasingly critical in the transportation manufacturing sectors, including aircraft, automobile, heavy truck, rail, ship, and defense manufacturing industries.

Electrical conductivity: copper has the highest conductivity of the engineering metals. Silver or other elements may be added to increase strength, softening resistance or other properties without ...