Multi-scale multi-shape ceramic phase reinforced aluminum-based anti-ballistic structure composite material and preparation method thereof
A technology for strengthening aluminum-based and composite materials, which is applied in the field of multi-scale and multi-shape ceramic phase-reinforced aluminum-based ballistic-resistant structural composite materials and its preparation, which can solve problems such as poor ballistic performance, difficulty in deflecting projectiles, and low volume fraction of ceramics , to achieve excellent anti-ballistic properties, delay premature failure, and improve the ability to resist multiple rounds
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[0018] Specific embodiment 1: This embodiment is a multi-scale and multi-shape ceramic phase reinforced aluminum-based ballistic structure composite material composed of close-packed spheres, close-packed cylinders, aluminum-containing materials and ceramic powder fillers, in which close-packed spheres are used as On the front surface, close-packed cylinders are used as supports for close-packed spheres; the aluminum-containing material is aluminum or aluminum alloy; the bulk density of the ceramic powder filler is 45-60%; the multi-scale and multi-shape ceramic The total integral number of the ceramic phase in the phase-reinforced aluminum-based ballistic structure composite material is 70-95%.
Example Embodiment
[0019] Specific embodiment two: this embodiment is different from specific embodiment one in that: the close-packed column is a column with an arc on the end surface, the diameter is 2-30mm, the aspect ratio is 0.3-5; The diameter of the volleyball body is 1-30mm. Others are the same as the first embodiment.
Example Embodiment
[0020] Specific embodiment three: this embodiment is different from specific embodiment one or two in that the bulk density of the ceramic powder filler is 55%; the close-packed column is B 4 C ceramic cylinder or SiC ceramic cylinder, the close-packed sphere is B 4 C spheres or SiC spheres, the ceramic powder is B4C powder or SiC powder, and the close-packed cylinders, close-packed spheres and ceramic powder are the same or different kinds of ceramics. Others are the same as the first or second embodiment.
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