ACOUSTIC EMISSION MEASUREMENT OF INTERFACE SHEAR STRENGTH OF SiC_w/ Al COMPOSITE
声发射方法测定SiCw／Al复合材料的界面强度

The model specimen of SiC_w/Al composite is subjected to the tensile test, simultaneously, the acoustic emission (AE) characteristics during the process of strain and fracture are monitered. The broken number of SiC fiber and the segment length of the broken fibers in the composite can be measared by AE technique. The interfacial shear strength and the fractural strength of fiber can be easily determined.