Lightweight, ballistic and blast-resistant multi-phase composite armor material based on high-toughness heterogeneous interfacial layer and method for preparing the same

A multi-phase composite armor material, comprising:

• a crack-arresting layer;
• a bullet-breaking layer;
• an energy-absorbing layer;
• and
• a support layer;
• wherein the crack-arresting layer, the bullet-breaking layer, the energy-absorbing layer, and the support layer are arranged in sequence from a bullet-accepting side to the inside;
• and adjacent two layers of the crack-arresting layer, the bullet-breaking layer, the energy-absorbing layer, and the support layer are bonded with an adhesive film layer;
• the crack-arresting layer and the support layer are both made of a carbon fiber composite;
• the bullet-breaking layer is made of ceramic;
• the energy-absorbing layer is made of an ultra-high molecular weight polyethylene (UHMWPE) fiber composite;
• and the adhesive film layer is made of a heterogeneous interfacial adhesive;
• the crack-arresting layer is configured to stabilize an impact region and control a damaged area;
• the bullet-breaking layer is configured for energy dissipation through fragmentation and expanding an action range of load and energy;
• the energy-absorbing layer is configured to absorb a residual energy of a bullet;
• the support layer is configured to provide overall structural stiffness and protect the armor material from being penetrated by a bullet;
• the adhesive film layer is configured to maintain an overall structural stability of the armor material and allow individual component materials to exert designed performance;
• and
• the adhesive film layer is prepared from an epoxy resin system, a short-fiber veil, and a core-shell rubber;
• wherein the epoxy resin system is prepared through mixing an epoxy monomer or prepolymer, a curing agent, and a reaction promoter and curing.