EFFECT OF AGING TREATMENT ON STRESS CORROSION CRACKING BEHAVIOR OF ALUMINA BORATE WHISKER REINFORCED ALUMINUM COMPOSITE
时效对硼酸铝晶须增强6061Al复合材料应力腐蚀开裂行为的影响

In the present research,the effect of aging on the SCC behavior of Al 18 B 4O 33 w/Al composite was investigated using Double-Cantilever-Beam (DCB) specimen in 3.5%NaCl solution.The results indicated that the difference in the size,distribution and density of precipitates in the matrix of the composite,results in different stress corrosion cracking behaviors of the composite at different aging state.The difference of the density of pits at the surface of the composite has influence on the SCC behavior of the composite