弹体侵彻混凝土的临界跳弹

Explosion and Shock Waves(2016)

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Abstract
为了保证钻地战斗部打击防护层目标时不发生跳弹,需要对弹体侵彻目标的临界跳弹角度进行分析和估算.开展了一定大长径比弹体斜侵彻混凝土的跳弹实验,分析了在250~430 m/s速度下弹体侵彻30和60 MPa钢筋混凝土的临界跳弹角度,给出了弹体临界跳弹角度包络线.当靶板强度相同时,随着侵彻速度的增加,弹体的临界跳弹倾角增大,增大的趋势逐渐变缓;在相同侵彻速度下,随着靶板强度的增加,弹体的临界跳弹倾角减小;经验公式分析得到的弹体临界跳弹倾角偏低于实验,但偏差基本在3°以内.
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Key words
mechanics of explosion,ricochet performance,penetrating warhead,concrete target,critical ricochet angle
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