VibraXX
Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter Arena
HomeCategoriesScienceQuestion
Question
Science

Which outcome results when exceeding the critical shear stress within a copper crystal?

A)Formation of a Kirkendall void
B)Instantaneous brittle fracture occurs
C)Dislocations begin propagating rapidly
D)Dynamic recrystallization annihilates defects

💡 Explanation

Plastic deformation initiates because exceeding the critical shear stress causes the mechanism of dislocation glide, allowing atoms to move; therefore, dislocations propagate rapidly, rather than brittle fracture, needing higher stress or Kirkendall voids that need diffusion.

🏆 Up to £1,000 monthly prize pool

Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.

⚡ Enter Arena

Related Questions

Browse Science