Alumina particle-strengthened copper dispersion is a type of copper alloy that incorporates ultrafine alumina particles for dispersion strengthening. This alloy is non-heat treatable. This material has the unique property of being both always high strength and high conductivity, a synergetic property that is not attainable in other copper alloy systems. This is done by having an evenly distributed mix of fine, non-metallic particles that are most often alumina (Al₂O₃) within the copper matrix. This dispersion strengthening mechanism provides improvements in the alloy’s strength and resistance against softening at high temperatures, all while having excellent electro-thermal conductivity.

Properties of Dispersion Strengthened Copper Wire