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Which outcome occurs when rapid sublimation cools a component?

A)Material undergoes micro-crack formation
B)Isotropic expansion becomes anisotropic
C)Tensile strength temporarily increases
D)Thermal conductivity reaches steady state

💡 Explanation

Material develops flaws because rapid sublimation induces differential thermal contraction; the mechanism is volumetric change within the crystal structure. Therefore, micro-cracks form rather than simple isotropic expansion because temperature gradients exceed material yield strength at grain boundaries.

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