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Intro To Engineering Materials
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Intro To Engineering Materials
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25 Questions

1. Time- dependent elastic deformation.

2. Exhibiting different values of a property in different crystallographic directions.

3. The diffusion condition for which there is no net accumulation or depletion of diffusing species.

4. Atomic migration from interstitial site to interstitial site. Typically happens more frequently than vacancy diffusion.

5. Prisms having three sets of parallel faces.

6. The onset of plastic deformation.

7. Crystal structure with atoms located at each of the corners and the centers of all the cube faces. Coordination # = 12. APF = 0.74.

8. The change in gauge length of a specimen divided by its original gauge length.

9. Deformation that is non - permanent and totally recovered upon release of applied stress.

10. Atomic migration from a normal lattice position to an adjacent vacant lattice site or vacancy.

11. A linear defect associated with the lattice distortion created when normally parallel planes are joined together to form a helical ramp.

12. The capacity of a material to absorb energy when it is elastically deformed.

13. The manner in which atoms - ions - or molecules are spatially arranged.

14. The process whereby atoms of one metal diffuse into another.

15. A three- dimensional array of points coinciding with atom positions.

16. The curve that results when the concentration of a chemical species is plotted versus position in a material.

17. The slope of the concentration profile at a specific position.

18. Linear defect associated with the lattice distortion produced in the vicinity of the end of an extra half- plane of atoms within a crystal.

19. The stress required to produce a very slight yet specified amount of plastic strain.

20. The ratio of stress to strain when deformation is totally elastic; also a measure of the stiffness of a material.

21. The sum of the sphere volumes of all atoms within a unit cell divided by the unit cell volume.

22. Deformation that is permanent or nonrecoverable after release of the applied stress.

23. The diffusion condition for which there is some net accumulation or depletion of diffusing species.

24. The instantaneous load applied to a specimen divided by its cross - sectional area before any deformation.

25. Material transport by atomic motion.