Abstract
In this study, the effect of heat treatment on the laminated Mg/Zn/Cu/Al composite produced by accumulative roll bonding (ARB) was investigated. For this purpose, interfacial microstructural formed during the heat treatment were investigated. The results showed that with increase in both temperature and time, the diffusion layers (DLs) grew. The brass, (Al,Cu), and (Mg,Zn) layers created that is related to the diffusion and interface migration. The growth of the brass layer was diffusion controlled and the growth of the (Al,Cu), and (Mg,Zn) layers were mixed controlled. In both of them, chemical compositions were changed and new phases created as DLs.
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