Abstract
We used the Q345R/ composite panels by explosive composite method,and studied the microstructure and properties of the composite plate by the means of optical microscope and mechanical property test in this paper. We can see that the interface of explosive composite board is in a wave shape, the microstructure in the region next to the bonding interface of the composite plate consists of three parts: distorted grain area, fibrous zone and fine grained region. The composite explosive plate is still of high tensile strength and ductility, and its impact absorbing energy is to 68J, the hardness of the interface for the composite plate of 304 is higher and rise more remarkable than the base metal of Q345R.
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