NaBe2Cu

NaBe₂Cu is an intermetallic compound combining sodium, beryllium, and copper—a rare ternary metal system with limited commercial production and primarily research-level application. This material exists in the quaternary Cu-Be-Na phase space and is studied for specialized high-performance metallic applications, though it remains largely experimental; beryllium-containing intermetallics are generally explored for aerospace and high-strength applications where their stiffness and low density can offer weight savings, but toxicological concerns and processing complexity limit widespread adoption compared to conventional aluminum or titanium alloys.