Breakthrough Cu-Ta-Li alloy could transform aerospace, defense applications, researchers say
US Army Research Laboratory developed nanostructured copper alloy with exceptional thermal stability and mechanical strength.
[caption id="attachment_819561" align="aligncenter" width="600"] Sierra Gorda is the world’s 4th largest copper project.[/caption] Expansion of Chile's Sierra Gorda open pit copper mine, controlled by KGHM Polska Miedz SA, might cost between $1.5 billion and $2 billion, according to initial estimates...
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