Predicting the penetration of long rods into semi-infinite metallic targets

作     者：HE Yu WEN HeMing 

作者机构：CAS Key Laboratory for Mechanical Behavior and Design of MaterialsUniversity of Science and Technology of China 

出 版 物：《Science China(Technological Sciences)》 (中国科学（技术科学英文版）)

年 卷 期：2013年第56卷第11期

页      面：2814-2820页

核心收录：

学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：supported by the National Natural Science Foundation of China(Grant No.11172298) 

主　　题：penetration long rod eroded debris semi-infinite metallic target 

摘      要：Analytical equations are presented herein to predict the penetration of semi-infinite metallic targets struck normally by long rods at high velocities for YpS where Yp is the rod strength and S is the static target *** equations are derived based on energy balance *** is assumed that the kinetic energy loss of a long rod is related to the energy dissipated by the plastic deformations in the target,the energy consumed by the long-rod penetrator itself and the energy carried by the eroded rod *** penetration is also examined in the present paper due to the fact that the eroded rod debris forms a tube which can penetrate the target further if the density of the rod is greater than that of the target and the impact velocity is high *** present analytical equation is found to be in good agreement with the experimental data for a wide range of impact velocities.