FIELD: aluminum based alloys for aluminum armour. SUBSTANCE: alloy has, in mass zinc 6.4-7.2; magnesium 2.6-3.2; manganese 0.07-0.14; chrome 0.15-0.25; titanium 0.03-0.10; zirconium 0.05-0.12; aluminum the rest. In the case, total amount of zinc and magnesium is 2.0-2.8. Alloy has following properties: sandwich plate limiting speed of certified affects (LSCA) 666-674 m/s, serial plate LSCA - 617-628 m/s; speed gain of LSCA 7.3-8.1 weight gain 8.6-8.9 EFFECT: alloy provides speed and weight gain. 2 tbl
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