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Which consequence resulted from improperly quenched Roman gladius swords?

A)Grain boundary cracking increased quickly
B)Pearlite transformation strengthened ferrite
C)Martensite formation induced brittleness
D)Austenite phase delayed rust formation

💡 Explanation

Martensite transformation induces brittleness because rapid cooling locks the iron crystal structure. This failure mode weakened blades made during mass production; therefore, the swords shattered easily rather than bending upon impact due to dislocations.

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