Hydrogen embrittlement is associated with which effect?

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Multiple Choice

Hydrogen embrittlement is associated with which effect?

Explanation:
Hydrogen embrittlement occurs when hydrogen atoms diffuse into the metal lattice, especially at defects and grain boundaries, weakening metallic bonds and reducing the material’s ability to deform plastically. Under stress, this leads to crack initiation and brittle fracture, so ductility is markedly reduced. The other options don’t fit because embrittlement does not increase ductility, is not about higher electrical conductivity, and is not primarily about passive film formation.

Hydrogen embrittlement occurs when hydrogen atoms diffuse into the metal lattice, especially at defects and grain boundaries, weakening metallic bonds and reducing the material’s ability to deform plastically. Under stress, this leads to crack initiation and brittle fracture, so ductility is markedly reduced. The other options don’t fit because embrittlement does not increase ductility, is not about higher electrical conductivity, and is not primarily about passive film formation.

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