铝合金组织中过剩相质点,在挤压时对其变形能力产生一定的影响。至今为止,一直认为具有均匀组织的合金在挤压时有着最佳的变形能力。在组织中出现过剩相质点,即多相组织,降低变形能力。提出这种论点的基 Excess phase of aluminum alloy particles in the extrusion of its deformation capacity have a certain impact. Until now, it has been considered that alloys having a uniform texture have the best deformability when extruded. Appear in the organization of excess phase quality point, that is, multi-phase organization, reduce the deformation capacity. The basis for this argument