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Which consequence results when curie temperature is exceeded in martensitic steel?

A)Austenite reverts due to increased diffusion
B)Magnetic order decreases because thermal fluctuation
C)Strength declines because crack tip plasticity
D)Corrosion rate decreases because surface passivation

💡 Explanation

The ferromagnetic order diminishes as temperature rises above the Curie point; this is because of thermal fluctuation overcoming the exchange interaction. Therefore, magnetic ordering decreases rather than strengthening, unlike chemical reactions or passivation phenomena.

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