研究10CrNiCu钢靶板在亚弹速范同内受平头弹冲击条件下的侵彻过程,讨论了应力条件对损伤和断裂的影响.结果表明:在平头弹侵彻条件下,弹孔壁材料的形变强化规律可近似用负指数规律描述;靶板内形成大量剪切带、微裂纹等形式的损伤,导致靶板发生变形和冲塞破坏;裂纹按微孔聚集型机制扩展.
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