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Statement True False A A BCC crystal structure has a higher atomic packing factor than a close- packed hexagonal crystal structure. B The yield strength is more important in design than the tensile strength. C Vacancy defects is a kind of linear one-dimensional material defects.

Statement True False A A BCC crystal structure has a higher atomic packing factor than a close- packed hexagonal crystal structure. B The yield strength is more important in design than the tensile strength. C Vacancy defects is a kind of linear one-dimensional material defects.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q.4 Based on what was learned in the course, determine if the following statements are true or false. Statement True False A A BCC crystal structure has a higher atomic packing factor than a close- packed hexagonal crystal structure. B The yield strength is more important in design than the tensile strength. C Vacancy defects is a kind of linear one-dimensional material defects. D Steady-state diffusion indicates that diffusion occurs at a constant rate and does not change with time. A brittle material is expected to have very high plastic deformation. F There are only two types of dislocations: edge and mixed dislocations. G Necking in tensile testing stats to occur as soon as plastic deformation occurs. h Vacancy diffusion is more likely to occur than interstitial diffusion. In a cubic unit cell, the lattice parameter is equal in all directions. In a solid solution, the crystal structure of the solute and the solvent must j be the same.
Transcribed Image Text:Q.4 Based on what was learned in the course, determine if the following statements are true or false. Statement True False A A BCC crystal structure has a higher atomic packing factor than a close- packed hexagonal crystal structure. B The yield strength is more important in design than the tensile strength. C Vacancy defects is a kind of linear one-dimensional material defects. D Steady-state diffusion indicates that diffusion occurs at a constant rate and does not change with time. A brittle material is expected to have very high plastic deformation. F There are only two types of dislocations: edge and mixed dislocations. G Necking in tensile testing stats to occur as soon as plastic deformation occurs. h Vacancy diffusion is more likely to occur than interstitial diffusion. In a cubic unit cell, the lattice parameter is equal in all directions. In a solid solution, the crystal structure of the solute and the solvent must j be the same.
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