Abstract:
Fiber reinforced articles having utility for ballistic resistance to multiple high velocity bullets, impact absorption and penetration resistance in body armor, helmets, breast plates, helicopter seats, spall shields and other applications. The articles are comprised of at least a frontal laminate and a second laminate, with the frontal laminate comprising at least one ply of strong inorganic fiber in a polymeric matrix and the second laminate comprising at least one ply of strong polymeric fibers in a polymeric matrix.
Abstract:
Ballistic resistant materials and articles formed from fiber/tape plies that incorporate multiple different fiber or tape types within a single ply. The different fiber or tape types are physically dissimilar but may be chemically different or substantially chemically similar.
Abstract:
Highly uniform woven fibrous structures formed from fibrous tapes, wherein the tapes constitute the warp and weft tapes of a woven fabric. The individual fibrous tapes may be woven or non-woven, and may be formed as narrow tapes or may be cut from a wider fabric web.
Abstract:
A ballistic resistant composite material useful in rigid armor applications. The composite material includes at least one consolidated network of high tenacity fibers in a thermoplastic matrix material. The resin is a thermoplastic polyurethane resin that is semi-crystalline at room temperature. The high tenacity fibers have a tenacity of at least about 7 g/d. Prior to consolidation the polyurethane resin matrix material is in an aqueous medium. When dry, the polyurethane matrix material has a tensile modulus (at 100% elongation) of at least about 500 psi (3.45 MPa), a tensile modulus (at 300% elongation) of at least about 500 psi (3.45 MPa), and an ultimate tensile strength of at least about 2000 psi (13.78 MPa). The ballistic resistant composite material has improved ballistic properties.
Abstract:
Hybrid, multi-panel ballistic resistant articles useful for the fabrication of body armor. The articles include at least three different fabric sections that are arranged into a gradient wherein the outermost, strike-face section of the article is formed from fibers having the highest tenacity of the article.
Abstract:
Dimensionally stable open woven fabrics formed from a plurality of high tenacity warp elongate bodies interwoven and bonded with a plurality of transversely disposed, high tenacity weft elongate bodies, composite articles formed therefrom, and to a continuous process for forming the composite articles.
Abstract:
Ballistic resistant composite articles that are resistant to both backface deformation and ballistic penetration. Multiple composites are attached to each other such that fibers in each adjacent composite are oriented at different angles. Each composite has an areal density of at least about 100 g/m2 wherein the areal density of the strike face composite is greater than half of the total areal density of overall multi-composite article.
Abstract:
Se describen artículos compuestos con resistencia balística que son resistentes tanto a la deformación del respaldo como a la penetración balística. Múltiples compuestos se unen entre sí para que las fibras de cada compuesto adyacente estén orientadas en diferentes ángulos. Cada compuesto tiene una densidad por área de al menos aproximadamente 10 g/m2, en donde la densidad por área del compuesto que hace frene al golpe es mayor que la mitad de la densidad por área total de todo el artículo multi-compuestos.