After cold isotropic pressing, sintering and hot extrusion, composites with a density close to 100% of the theoretical density is obtained.

• 奈米碳管和铝合金经球磨步骤之后再以湿式混粉的方式可改散奈米粉末团聚现象，之后进行热挤型可得到理论密度接近100%25材料。