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← TechnologyWhich risk markedly increases when forging dies exceed erosion tolerance?
A)Material stress concentration intensifies greatly✓
B)Hardness variation minimizes considerably
C)Viscosity decreases logarithmically on surface
D)Elastic uniformity maintains equilibrium ideally
💡 Explanation
Material stress concentration intensifies greatly during metal forging as erosion tolerance is exceeded, which causes localized increases in stress because the die surface is no longer uniform, therefore promoting crack initiation, rather than uniform deformation that occurs with a correctly toleranced die.
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