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Which consequence results when porosity increases during welding of high-strength steel?

A)Reduced fatigue strength occurs
B)Increased yield strength emerges
C)Corrosion resistance increases
D)Improved ductile deformation arises

💡 Explanation

Fatigue strength is lowered due to reduced cross-sectional area because porosity introduces voids, acting as stress concentrators activating crack nucleation. Therefore, fatigue life diminishes, rather than tensile strength increasing under static load.

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