脱圈是薄靶板受弹丸冲击时常见的损伤,它的特征是从靶板背面崩落出尺寸不等的圆环或半环,一旦靶板有这种缺陷发生,便会引起验收枪弹的靶试结果波动大、重试率和不合格率高,严重影响枪弹生产。 针对上述问题,采用不同厚度靶板进行射击试验,用光学显微镜、扫描电镜分析靶 Took off the loop is a common target when the thin target impact by projectile damage, which is characterized by the collapse from the back of the target plate unequal size ring or half ring, once the target plate has such a defect, it will cause the acceptance of bullets target Large fluctuations in test results, retry rate and high failure rate, seriously affecting the bullet production. In view of the above problems, different thickness of the target plate for shooting test, the optical microscope, scanning electron microscope analysis of the target