easily identified.

Mechanisms of intergranular fracture

Though it is easy to identify intergranular cracking, pinpointing the cause is more complex as the mechanisms are more varied, compared to transgranular fracture. There are several other processes that can lead to intergranular fracture or preferential crack propagation at the grain boundaries:

* Microvoid nucleation and coalescence at inclusions or second phase particles located along grain boundaries
* Grain boundary crack and cavity formations associated

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