Extension of the Performance of Aluminium‐Copper Alloys by Spray Forming

Spray formed binary alloys AlCu10, AlCul7 and AlCu24 have been investigated in view of their density, microstructure and forming performance. The forming properties have been determined by means of plasto-dilatometry. With higher copper contents the resistance against deformation increases, but sufficient deformation at elevated temperatures is still possible. Microstructural investigations explain the dependence of the deformation resistance upon the degree of dispersion of the Al 2 Cu-phase.