Engineering Board Exam Reviewer · Engineering Materials · easy

Plastic deformation in crystalline metals occurs mainly by the movement of:

1. Vacancies only
2. Grain boundaries
3. Electrons
4. Dislocations

Answer

D. Dislocations

Solution

Slip occurs as dislocations glide on slip planes.

More Engineering Materials questions

1. A dislocation is a type of:
2. A vacancy is a:
3. X-ray diffraction is used to determine:
4. The notation used to specify crystallographic planes is:
5. A material whose properties vary with crystallographic direction is said to be:
6. The ability of a material to exist in more than one crystal structure depending on temperature and pressure is called:
7. Which of the following metals has a BCC crystal structure at room temperature?
8. Which of the following metals has an FCC crystal structure at room temperature?
9. The atomic packing factor of a BCC structure is:
10. The atomic packing factor (APF) of an FCC structure is:

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