EFFECTS OF DHATATIONAL PHASE TRANSFORMATION ON TARGET STRENGTH OF CERAMIC MATERIALS

摘要

The effects of dilatational phase transformation on the target strength of ceramic materi-als are investigated based on Tate’s model.The constitutive behavior of materials in different regions(elastic,cracked,plastic and phase transformation)are taken into account.It is found that,with aproper choice of material parameters,the dilatational phase transformation can increase effectively thetarget strength R_t.This would be of importance in penetration-resistance design.