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← ScienceWhich outcome occurs from excessive hydrogen charging of steel?
A)Hydrogen embrittlement causes brittle fracture✓
B)Increased tensile strength results
C)Improved corrosion resistance develops
D)Ductility and formability increase
💡 Explanation
Hydrogen charging introduces hydrogen atoms into the steel lattice, hydrogen embrittlement concentrates these at grain boundaries causing brittle fracture; therefore the steel loses ductility rather than gaining strength, because the concentration creates stress.
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