3.2. Dislocations—Linear Defects

What type of defect is a dislocation?

What is the term used for an extra portion of a plane of atoms in a dislocation?

In the context of edge dislocation, what is the line defined along the end of the extra half-plane of atoms called?

What type of strain is experienced by the atoms above the dislocation line in an edge dislocation?

How does the magnitude of lattice distortion change with distance away from the dislocation line?

At positions far removed from the dislocation line, the crystal lattice is:

What is the term for the linear defect around which some of the atoms are misaligned?

In the context of dislocations, what causes the atoms above the dislocation line to be squeezed together?

What term is used for the slight curvature of the vertical planes of atoms as they bend around the extra half-plane?

What type of defect is represented by an extra portion of a plane of atoms within a crystal lattice?

At positions far removed from the dislocation line, how would you describe the crystal lattice?

What is the term used for the line that is defined along the end of the extra half-plane of atoms in an edge dislocation?

What is the deformation in which stress and strain are proportional called?

What is the important design parameter used for computing elastic deflections?

What represents the slope of a secant drawn from the origin to some given point of the stress-strain curve?

What does the magnitude of the modulus of elasticity measure on an atomic scale?

What happens to the modulus of elasticity when increasing temperature?

What is the term for the point at which stress-strain curve bends over in the plastic region?

What type of deformation corresponds to the breaking and reforming of bonds with original and new neighbor atoms?

For which type of materials is time-dependent elasticity called anelasticity?

What is the ratio of lateral and axial strains defined as?

What is the mechanism of plastic deformation for crystalline solids?