It is shown that the zigzag grain boundary may delay the initiation, growth and propagation of crack, as well as may also influence the crack morphology and the fracture mode markedly.
研究表明，弯曲晶界对裂纹的萌生、长大及扩展，对裂纹的形态及断裂方式，都有显著的影响。
2
In the paper, the problem of boundary-represented objects' morphology operations is first discussed.
本文首先讨论了边界表示的物体的形态学运算问题。
3
The relative amount of IAF and the morphology of grain boundary ferrite in HAZ were the decisive factors affecting the strength and toughness of HAZ.