采用53式7.62mm穿燃弹倾斜入射10mm厚、硬度为HRC44～56的Cr-Ni-Mo系试验装甲钢进行了穿甲试验,研究了在不同硬度状态下,硬度对装甲钢板安全角的影响.依据倾斜入射的穿甲特征和靶试后对靶板损伤情况的分析认为:弹丸在倾斜入射靶板时,随着靶板硬度增加,靶板安全角减小,抗弹性能提高,这主要是由于高硬度靶板使弹丸产生断裂和破碎及弹丸在开坑和侵彻阶段的阻力加大所致.
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