摘要:
Helmets for military and other applications that require resistance to high energy fragments and rifle bullets are disclosed. The helmets are fabricated with a combination of ceramic, either as a monolith or as a plurality of discreet pieces, and an inner backing material having a plurality of fibrous layers such as polyolefin and/or aramid fiber layers.
摘要:
Fabrication of ballistic resistant fibrous composites having improved ballistic resistance properties. More particularly, ballistic resistant fibrous composites having enhanced flexural properties, which correlates to low composite backface signature. The composites are useful for the production of hard armor articles, including helmet armor.
摘要:
Fabrication of ballistic resistant fibrous composites having improved ballistic resistance properties. More particularly, ballistic resistant fibrous composites having high interlaminar lap shear strength between component fiber plies or fiber layers, which correlates to low composite backface signature. The high lap shear strength, low backface signature composites are useful for the production of hard armor articles, including helmet armor.
摘要:
Fabrication of ballistic resistant fibrous composites having improved ballistic resistance properties and retained or improved ballistic penetration resistance properties. The composites are formed from high tenacity fibers having a tenacity of at least about 33 g/denier at ambient room temperature after being modified by a plasma treatment or by a corona treatment, without tenacity loss due to said treatments.
摘要:
A method of producing composites useful for the formation of armor and armor sub-assembly intermediates. More particularly, improved ballistic resistant composites and a method for the production of ballistic resistant composites and armor sub-assembly intermediates from composites that have resin-poor surfaces resulting from the non-uniform impregnation polymeric binder materials in fiber layers.