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Which consequence results when high phosphorus content affects early Chinese cast iron?

A)Increased susceptibility to brittle fracture
B)Enhanced resistance to rust corrosion
C)Improved flexibility under tensile load
D)Higher weldability for joining sections

💡 Explanation

The high phosphorus in early Chinese cast iron resulted in iron phosphide formation via solid solution hardening, decreasing ductility. This promotes cleavage fracture because crack propagation requires less energy; therefore, the iron fails more easily, rather than bending or corroding.

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