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← ScienceWhich 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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