Hydrogen embrittlement is a phenomenon in which metals, particularly high-strength steels and some alloys, become fragile and susceptible to fracture when exposed to hydrogen. This occurs as hydrogen atoms diffuse into the metal and accumulate at certain sites within the material, leading to a reduction in ductility and toughness. ### Mechanisms of Hydrogen Embrittlement: 1. **Hydrogen Absorption**: Hydrogen can be introduced into metals through various processes, including electroplating, welding, and corrosion.
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