The invention relates to the technical field of bulletproof materials, and discloses a lightweight
composite material target plate and a preparation method thereof.The preparation method comprises the following preparation steps that
epoxy resin, a curing agent, a
silane coupling agent, composite
boron carbide ceramic, a heat conduction additive and a
solvent are mixed and stirred, and an
epoxy resin binder is obtained;
coating the upper and lower surfaces of a wood board with an
epoxy resin binder to obtain wood board
layers, and
coating the upper and lower surfaces of
quartz fiber cloth with the epoxy resin binder to obtain
quartz fiber cloth
layers; and the damping rubber plate, the wood plate layer, the PE plate, the
quartz fiber cloth layer and the steel plate are stacked in sequence from top to bottom, and the
composite material target plate is obtained through rolling and curing.
Silicon carbide nanowires are formed in the
boron carbide ceramic, crack propagation of the
boron carbide
ceramic is inhibited, the strength of the
boron carbide ceramic is improved, and the bulletproof performance of the
composite material target material is enhanced; the
nano zinc oxide forms a concave-
convex structure on the surface of the
boron carbide ceramic, so that the strength of the
boron carbide ceramic is enhanced, and the bulletproof performance of the composite target material is improved.