Which risk notably increases during closed-die forging when the workpiece geometry significantly departs from die cavity design?

A)Increased flash formation likelihood

B)Elevated internal stress concentration✓

C)Enhanced grain flow optimization

D)Reduced die wear from galling

💡 Explanation

An increased risk of stress concentration occurs, because improper filling induces uneven deformation. This generates residual stresses due to differential cooling creating thermal gradients post-forging, rather than uniform cooling, therefore leading to mechanical weaknesses.

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Which risk notably increases during closed-die forging when the workpiece geometry significantly departs from die cavity design?

💡 Explanation

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