Cleavage fracture is a typical brittlefracture and also a process consisted of crack producing and spreading, and the mechanism is related to dislocation and crystalline grain.
解理断裂是典型的脆性断裂，解理断裂也是一个裂纹萌生和扩展的过程，其机制与位错和晶粒有关。
2
In some elderly individuals, this process can cause their bones to become quite brittle and more susceptible to fracture.
在一些老年人，这个过程可使骨头变得相当脆弱，更容易骨折。
3
A simulation experiment using the fracturing of two-dimensional brittle glass plates is designed to study the propagation process of fracture in a brittle medium.