Institute of Structural Mechanics, China Academy of Engineering Physics,R.O.Box 919-414, Mianyang 621900,China;
School of Mechanical,Aerospace and Civil Engineering, The University of Manchester,P.O. Box 88,Pariser Building, Manchester M60 1QD,UK;
Protective Technology Research Center, School of Civil and Environmental Engineering, Nanyang Technological University, Nanyang Avenue, Nanyang, Singapore 639798;
Oblique perforation; Ballistic limit; Metallic plate; Rigid projectile; Shear plugging;