Using a gas gun, a set of plate impact experiments were performed for 20 steel by measuring the rear free-surface velocity profiles with a velocity interferometer system for any reflector (VISAR).

• 摘要采用轻气炮加载技术和激光速度干涉(VISAR)测速技术相结合，对不同拉伸应变率条件下20钢的层裂特性进行了实验研究。