An impact resistant device is provided comprising a flexible support matrix and a plurality of energy absorbing elements operatively connected to the support matrix, each element comprising at least one ceramic material and at least one strain rate sensitive material. The impact resistant device can
An impact resistant device is provided comprising a flexible support matrix and a plurality of energy absorbing elements operatively connected to the support matrix, each element comprising at least one ceramic material and at least one strain rate sensitive material. The impact resistant device can be worn as body armor to protect the wearer from high velocity projectiles.
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What is claimed is: 1. An impact resistant device comprising: a plurality of energy absorbing elements connected to a flexible support, each element comprising: multiple layers of a ceramic material comprising alumina; and multiple layers of a metal alloy comprising Fe3Al alternated with the multip
What is claimed is: 1. An impact resistant device comprising: a plurality of energy absorbing elements connected to a flexible support, each element comprising: multiple layers of a ceramic material comprising alumina; and multiple layers of a metal alloy comprising Fe3Al alternated with the multiple ceramic layers. 2. The impact resistant device of claim 1, wherein the plurality of energy absorbing elements are arranged in at least two layers in an imbricated pattern. 3. The impact resistant device of claim 2, wherein each energy absorbing element is hingedly connected to at least one other adjacent energy absorbing element in the same layer. 4. The impact resistant device of claim 1, wherein the metal alloy further comprises titanium boride and/or chromium. 5. The impact resistant device of claim 1, wherein each element further comprises a layer of strain rate sensitive polymer having a modulus of elasticity of at least 3 GPa at a strain rate of 1000 sec-1. 6. The impact resistant device of claim 5, wherein the strain rate sensitive polymer comprises a polyether ether ketone. 7. The impact resistant device of claim 1, further comprising a layer of ballistic fabric. 8. The impact resistant device of claim 7, wherein the ballistic fabric is fabricated from aramid fibers or polyethylene. 9. The impact resistant device of claim 1, configured and dimensioned to be worn by a human being. 10. The impact resistant device of claim 9, further comprising an attachment means for securing the device to a human body. 11. The impact resistant device of claim 1, wherein each of the energy absorbing elements is a disk shape. 12. The impact resistant device of claim 11, wherein each of the energy absorbing elements has a round circumference. 13. The impact resistant device of claim 11, wherein the energy absorbing elements have a square, rectangular, or triangular shaped periphery. 14. The impact resistant device of claim 11, wherein each of the elements has: a diameter in the range of about 0.05 inch to about 2.0 inches; and a thickness in the range of about 1/16 inch to about 쩌 inch. 15. The impact resistant device of claim 14, further comprising multiple layers of a strain sensitive polymer at least some of which are interspersed between the ceramic layers and the metal alloy layers. 16. The impact resistant device of claim 1, wherein each element further comprises at least one layer of a strain rate sensitive polymer. 17. The impact resistant device of claim 16, wherein the at least one strain rate sensitive polymer layer includes an interior polymer layer. 18. The impact resistant device of claim 16, wherein the polymer layer has a modulus of elasticity of at least 3 GPa at 1000 sec-1. 19. The impact resistant device of claim 18, wherein the strain rate sensitive polymer layer comprises polyether ether ketone ("PEEK"). 20. The impact resistant device of claim 17, wherein the at least one strain rate sensitive polymer layer further includes a polymer layer forming an outer surface of each element. 21. The impact resistant device of claim 1, wherein each of the metal alloy layers is adhered to a corresponding one of the multiple ceramic layers. 22. An impact resistant device, comprising: a plurality of energy absorbing elements connected to a flexible support, each element comprising: a first plurality of layers comprising: first and second layers of a ceramic material comprising alumina; and a first layer of a metal alloy comprising Fe3Al sandwiched between the first and second ceramic layers; and a second plurality of layers comprising: third and fourth layers of a ceramic material comprising alumina; and a second layer of a metal alloy comprising Fe3Al sandwiched between the third and fourth ceramic layers. 23. The device of claim 22, further comprising: a layer of strain rate sensitive polymer having a modulus of elasticity of at least 3 GPa at a strain rate of 1000 sec-1 between the first plurality of layers and the second plurality of layers. 24. The device of claim 22, wherein the first and second ceramic layers are adhered to the first metal alloy layer and the third and fourth ceramic layers are adhered to the second metal alloy layer. 25. An impact resistant device, comprising: a flexible support matrix configured and dimensioned to be worn by a human being; and a plurality of energy absorbing elements embedded in the flexible support matrix and arranged in at least two layers in an imbricated pattern, each of the elements including: multiple layers of a ceramic material comprising alumina; and multiple layers of a metal alloy comprising Fe3Al alternated with the multiple ceramic layers. 26. The device of claim 25, wherein the flexible support matrix is one of a polymer and a ballistic fabric. 27. The device of claim 25, wherein the strain rate sensitive material includes a polymer having a modulus of elasticity of at least 3 GPa at 1000 sec-1 strain rate. 28. The device of claim 25, wherein each of the elements has: a diameter in the range of about 0.05 inch to about 2.0 inches; and a thickness in the range of about 1/16 inch to about 쩌 inch. 29. The device of claim 25, wherein each of the elements in at least one of the two layers is movably coupled to an adjacent one of the elements in the same layer. 30. The device of claim 25, wherein each of the elements in one of the two layers is slightly spaced from adjacent elements in that layer.
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