unstable crack propagation
英
美
不稳定裂纹扩展
双语例句
- It was observed on unstable rib that the crack propagation mechanisms in both mist and rib regions may transfer into each other.
在不稳定肋状区发现到裂纹在霉纹区和肋状区的扩展机理是可以相互转化的。 - The experimental results indicate that the interlayer zones formed by particles and epoxy can significantly absorb fracture energy and suppress unstable crack propagation, G_(ⅱ c) was significantly increased.
试验结果表明，增韧颗粒和基体树脂形成的Interlayer层有效的吸收了断裂能量并抑止了裂纹的失稳扩展，Gc显著提高。 - Fracture test of the BT20 indicates that brittle unstable fracture occurs after ductile crack initiation and slow propagation for all the compact tension ( CT) specimens.
BT20钛合金断裂试验表明，CT试样均在裂纹延性启裂并缓慢扩展后，发生脆性失稳断裂。 - Fracture test indicated that brittle unstable fracture occured after ductile crack initiation and slow propagation for all the compact tension ( CT) specimens, except one welded joint specimen was brittle crack initiation.
断裂实验表明，除了一个焊接接头紧凑拉伸（CT）试样是脆性启裂外，其它CT试样均在裂纹延性启裂并缓慢扩展后，发生脆性失稳断裂。 - It is shown that the fracture of concrete behaved complicatedly and irregularly, which underwent explicitly a subcritical crack growth prior to the unstable crack propagation.
结果表明：混凝土断裂是一个复杂的不规则过程，存在明显的亚临界扩展现象。 - Then the incipient cracking criterion, the stable and unstable criteria of crack propagation are established in accordance with the non-equilibrium thermodynamical stability, and the direction of crack propagation is indicated.
再根据非平衡态热力学稳定性建立起起裂判据、裂纹扩展的稳定和失稳判据，并指明了裂纹扩展的方向。