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← ScienceWhich consequence results when rapid cooling quenches crystal growth?
A)Increased concentrations causes point defects✓
B)Enhanced dislocation density results instead
C)Grain boundary formation diminishes greatly
D)Material hardness declines unexpectedly
💡 Explanation
Point defects become trapped when atoms lack time to diffuse to equilibrium lattice positions because rapid cooling accelerates quenching which induces non-equilibrium defect concentrations. Therefore, there is an increased concentration of defects rather than allowing boundary formation that requires diffusion.
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