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Which outcome occurs when high pressure induces allotropic transition in steel?

A)Increased yield strength forms martensite
B)Grain boundary slip increases sharply
C)Austenite becomes more thermodynamically stable
D)Pearlite formation becomes kinetically favoured

💡 Explanation

Increased pressure favours denser phases; the martensitic transformation occurs at high pressures because it's a dense phase. Mechanical failure due to sudden phase transitions occurs, therefore, yield strength increases sharply rather than gradual deformation, because of different mechanisms dominating under pressure.

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