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 ...

The discovery provides tangible evidence of production workshops in Iberia. It fills a long-standing archaeological gap ...

Such are the general conditions which should be followed in making alloys. Copper melts at 1920 Fah. ; zinc at 700 Fah. ; lead at 590 Fah. ; tin at 450 Fah. ; cast-iron at 2100 Fah. A dull red ...

A new study designed a copper-tantalum-based superalloy (with ... This nanoscale approach to building new superalloys could lead to ever stronger materials for a variety of industries.

The paper's co-lead authors were doctoral candidate Qi ... Hassani's team worked with the ARL researchers to create a nanocrystalline alloy, copper-tantalum (Cu-3Ta). Nanocrystalline copper's ...

The US administration is considering implementing copper import tariffs sooner than initially expected, potentially by ...