Hydrogen-induced intergranular fracture of steels

By C. McMahon. 2001

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A three-dimensional cohesive-frictional grain-boundary micromechanical model for intergranular degradation and failure in polycrystalline materials (2013, background): “Intergranular failure is also favored by hostile environmental conditions [19], by phenomena such as corrosion [20] or stress-corrosion cracking [21, 22] or by some combination of stress and high temperature [23].”
Multi-scale boundary element modelling of material degradation and fracture (2007, background): “These conditions often lead to brittle intergranular failure [17, 18] and stress-corrosion cracking [19, 20], respectively.”
Hydrogen assisted crack initiation and propagation in a nickel-based superalloy (2016, background): “In addition, precipitates and segregates on grain boundaries tend to incur intergranular cracking in thematerials with hydrogenpresent [57,58].”