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← ScienceWhile annealing steel alloys, which outcome signifies insufficient homogenization?
A)Microstructural phase segregation remains present✓
B)Increased ultimate tensile strength observed
C)Uniform grain boundary corrosion appears
D)Complete martensitic transformation has occurred
💡 Explanation
Insufficient time at temperature or improper ramping rates leaves phase segregation, because diffusion is kinetically limited. Insufficient **atomic diffusion** causes persistent composition gradients; therefore microstructural phase segregation remains observed, rather than homogenization and uniform properties.
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