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← ScienceWhich membrane failure occurs when excessive hydrogen permeates palladium?
A)Hydrogen embrittlement causes crack propagation✓
B)Oxidation promotes surface blistering
C)Grain growth induces creep deformation
D)Interdiffusion overwhelms Fick's first law
💡 Explanation
Hydrogen embrittlement weakens grain boundaries by accumulating hydrogen because lattice strain increases, therefore cracks propagate rather than plastic deformation because embrittlement reduces required stress for fracture.
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