Question:medium

Which of the following statements regarding mechanical twinning is FALSE?

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Twinning is common in hexagonal close-packed (HCP) metals (like Zn, Mg) because they have fewer independent slip systems than FCC or BCC metals.
Updated On: Jul 7, 2026
  • Twinning occurs more frequently at high strain rates and low temperatures.
  • The atomic displacement in twinning is a fraction of the interatomic distance.
  • Twinning changes the orientation of the crystal lattice in the deformed region.
  • Twinning produces the same total strain as slip for the same amount of atomic movement.
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The Correct Option is D

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