sizes), intergranular fracture is promoted by strain homogenization resulting from coarse grains.

Embrittlement, or loss of ductility, is often accompanied by a change in fracture mode from transgranular to intergranular fracture. This transition is particularly significant in the mechanism of impurity-atom embrittlement. Additionally, hydrogen embrittlement is a common category of embrittlement in which intergranular fracture can be observed.

Intergranular

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