Which of the following statements best describes the nature of dislocations in a

Question

Which of the following statements best describes the nature of dislocations in an amorphous material? Amorphous materials cannot contain dislocations. The dislocation density in an amorphous material is normally less than the dislocation density in a crystalline material with the same composition. The dislocation density in an amorphous material is normally greater than the dislocation density in a crystalline material with the same composition. A dislocation in an amorphous material must be of the edge type.

Explanation / Answer

Answer (a)

Amorphous materials do not have a periodic arrangement of ions so dislocations are not possible .

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