Material toughening could be furnished by the energy dissipating wakes and bridging segmentsduring crack growth.According to their contributions to the energy i
In this paper,a nonlocal theory of fracture for brittle materials has been systematically devel-oped,which is composed of the nonlocal elastic stress fields of
Dual-plate structure is very effective in the protection of space vehicle from hypervelocity im-pact.The experiments of A1 projectile impacting A1 dual targets