A DYNAMIC FRACTURE ANALYSIS OF CRACK CURVING AND BRANCHING

e n s i t y f a c t o r and t h e crack c u r v i n g c r i t e r i o n a r e presented.These c r i t e r i a are used t o p r e d i c t crack curvings and crack branchings i n Homalite-100 and polycarbonate f r a c t u r e specimens, and 'bursting s t e e l and aluminum pipes.