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← ScienceWhich outcome occurs when temperature increases past the oxidation onset temperature of a metal alloy?
A)Diffusional creep rate increases rapidly
B)Work hardening rate becomes negligible
C)Corrosion rate increases exponentially✓
D)Yield strength reaches maximum threshold
💡 Explanation
When the temperature increases past the oxidation onset temperature, the oxidation rate escalates due to increased thermal energy because the oxidation process depends exponentially on the temperature based on Arrhenius equation. Therefore, a faster corrosion rate results, rather that creep, work hardening changes, yields, as the alloy is being actively oxidized.
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