Relationship between activation energy for hydrogen permeation and hydrogen permeation properties of amorphous Cu50Zr50 and Cu65Zr35 membranes

► Investigation of the role of the hydrogen diffusivity and solubility on the activation energy for hydrogen permeation. ► Identification of the relationship between the hydrogen permeability and resistance to hydrogen embrittlement. ► Change in the mechanical properties of Cu50Zr50 and Cu65Zr35 amorphous membranes by hydrogen introduction.