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← TechnologyWhich risk significantly increases for forged steel components in persistently humid environments?
A)Hydrogen embrittlement fracture✓
B)Elevated creep deformation
C)Galvanic corrosion fatigue
D)Tempering induced hardness loss
💡 Explanation
Hydrogen embrittlement fracture risk grows because atomic hydrogen from surface corrosion diffuses into the steel's grain boundaries, weakening the material via the mechanism of hydrogen induced cracking; therefore, fracture toughness is reduced rather than creep, galvanic corrosion, or tempering itself changing the material.
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