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New clear material tougher than bulletproof glass

点击量:   时间:2019-03-02 14:02:07

THE US air force is testing a new type of bulletproof glass that is tougher and lighter than the existing glass on armoured military vehicles. The chemical responsible for the material’s toughness is aluminium oxynitride, or ALON, a ceramic with similar optical and structural properties to sapphire. Conventional bulletproof glass is made from layers of laminated glass and polycarbonate. The new screen comprises an outer layer of ALON,