The fracture surface of the wires studied by scanning electron microscopy (SEM) shows a suitable interfacial bonding between the fiber and aluminum.

• 复合丝拉伸断口的扫描电镜(sem)观察可见断面有一定起伏，部分纤维拔出但长度较短，表明纤维与基体具有适当的界面结合。