| 摘要 |
Laminar plates having an outer layer of hard, polycrystalline, sintered ceramic backed by an aluminum alloy layer resist the passage of bullets and like projectiles as well as much heavier steel armor or heavier armor having a similar ceramic outer layer over a steel base. An intermediate rubber layer permits a reduction in the thickness of the aluminum layer and a corresponding reduction in overall weight at equal protection. Armored vests in which small laminar plates are held in pockets in overlapping relationship are a prime field of application.
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