 ##  [Intergranular Fracture](/intergranular-fracture) 

  ##  [Intergranular Fracture](https://natural.quantumdictionary.io/intergranular-fracture-0) 

  
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**Natural &amp; Formal Sciences Dictionary**

 
Definition

A fracture mode in polycrystalline materials in which crack propagation preferentially follows grain boundaries, producing characteristic faceted or flat fracture surfaces and reflecting weakened boundary cohesion.