A porous metamaterial is disclosed, comprising a matrix (101) having a plurality of voids (103) therein, wherein a content of interest (104) is trapped within each of at least part of the voids (103), detached from the matrix (101), thereby providing a respective unit-cell (100) of the metamaterial, with an intended predetermined property associated with the presence of the content of interest (104) within the at least one void (103). A variety of applications of the disclosed metamaterials are presented, including armors having either non-Newtonian fluids or magnetic particles confined within the voids as a content of interest. Upon subjecting the magnetic particles to a rotating magnetic field, the magnetic particles spin within the voids and gain angular momentum, thereby improving the resistance of the armor against penetration. Systems and methods for manufacturing porous metamaterial units having contents of interest confined within voids therein, are also disclosed.

A bulletproof protection structure comprises at least a flexible base and a reinforcing structure realized by means of at least one ballistic panel associated with the flexible base. The ballistic panel is finely divided into a plurality of elementary components, individually associated with the flexible base, structurally independent of one another and not bound to each other, so as to ensure flexibility for the structure as a whole.

A bulletproof protection elementary component of the tile type comprises a prism-shaped body having a first face and a second face of greater extension, which are opposite each other, and a side surface having a first height, at least one raised section from the first face by a second height, wherein the raised section is prism-shaped and has a base area which is less than an area of the first face. A ballistic panel and a bulletproof protection structure and a bulletproof vest, comprising a plurality of the elementary components, are also herein described.

The present invention relates to composite materials and the use thereof as energy resistant, for example blast-resistant, materials. Preferred aspects of the invention relate to layered composite panels comprising solid foam materials which have both a blast attenuation function and an anti-ballistic function. In further aspects, the invention provides novel composite panels which are suitable for use as blast resistant and/or anti-ballistic materials. In some examples described, the layered composite panel comprises a polymeric material (10) bonded to a first solid open-cell foam panel (12), and a cured polymeric material (14) penetrates a surface of the first solid open-cell foam panel (12).

The present invention relates to a flexible ballistic armor apparatus for deflecting high velocity firearm, fragmentation, or shrapnel projectiles with a flexible armor unit. The apparatus minimizes the deterioration of the armor when subjected to shock waves or shear forces of a ballistic impact. The present invention also relates to the use of a flexible armor unit with soft body armor, a vehicle, a vessel, an aircraft or in structural applications.

Disclosed herein are engineered composite materials suitable for applications that can benefit from a composite material capable of interacting with or responding to, in a controlled or predetermined manner, changes in its surrounding environment. The composite material is generally comprised of a gradient layer structure of a sequence of at least three gradient-contributing layers of microscale particles, wherein a mean particle size of particles of neighboring gradient-contributing layers in the cross section of the gradient layer structure varies from layer to layer, thereby forming a particle size gradient, and in contact with the gradient layer structure, a densely packed particle structure including densely packed microscale particles, wherein a mean particle size of the densely packed microscale particles does not form a particle size gradient in the cross section of the densely packed particle structure.

Armor plate having a thickness of at least 3 mm and an edge length of at least 20 mm, wherein the armor plate consists of a material made largely of a component selected from the group hard metal, cermet and/or combinations thereof. An armor plate composite comprising at least two layers of armor plates and an armor are provided as well.

A formable armor that resists penetration by impacting projectiles. The instant formable armor features a plurality of cylindrical ceramic barrels each having flat ends that fay with the flat surfaces of adjacent ceramic barrels. Rows of faying cylindrical barrels are disposed parallel to one another. The substantially parallel rows of cylindrical ceramic barrels are affixed to a backing layer that maintains continuous contact between adjacent cylindrical barrels.

A composite structure for stab protection includes layers of flat structures placed on top of each other, and an embedding material, wherein, in at least some of the layers placed on top of each other, the flat structures of adjacent layers are offset relative to one another, the flat structures of the composite structure are at least partially embedded in the embedding material, and the composite structure includes separated connecting elements, wherein before they are separated, the separated connecting elements have connected at least some of the flat structures of adjacent layers with one another.

The invention relates to a method for producing a body armor with several armor elements (4) that are connected to one another, wherein the method comprises the following steps: a) supply of an armor blank (2) with at least two armor elements (4) which are connected to one another or in a fixed position relative to one another, b) reshaping of the armor blank (2) in at least one reshaping direction such that the at least two armor elements (4) are reshaped, c) separation of the at least two connected armor elements (4) from one another and d) flexible connection of the separated armor elements (4).