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Q: Which one of the following statements is correct regarding ductile fracture?
  • A. Fractured surfaces are crystalline in appearance.
  • B. There is virtually no reduction in cross-sectional area during fracture,
  • C. Fracture takes place after necking with little sound.
  • D. Percentage elongation is about 60% prior to fracture occurs.
Correct Answer: Option C - Most ductile metals fracture preceded by a moderate amount of necking, followed by the formation of voids cracks and finally shear. • Ductile fracture takes place after necking with little sound.
C. Most ductile metals fracture preceded by a moderate amount of necking, followed by the formation of voids cracks and finally shear. • Ductile fracture takes place after necking with little sound.

Explanations:

Most ductile metals fracture preceded by a moderate amount of necking, followed by the formation of voids cracks and finally shear. • Ductile fracture takes place after necking with little sound.