Which outcome will occur when hydrogen embrittlement reaches critical levels in high-strength steel?

💡 Explanation

When hydrogen permeates the steel lattice, hydrogen embrittlement reduces cohesive forces between iron atoms because dissolved hydrogen inhibits dislocation movement and promotes crack nucleation, causing brittle fracture under load. Therefore sudden brittle fracture results, rather than increased strength or improved corrosion resistance, which would require different alloy compositions or protections.

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