Science Quiz / MSE Vocab

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Can you name the MSE Vocab?

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DefinitionTerm
A surface imperfection which separate crystals of different orientations in a polycrystalline aggregate.
A unit cell with atomic packing where each atom has 12 nearest neighbors. The stacking sequence of close-packed layers is ABCABCABCABC.
A negative charge carrier with a charge of 1.60 x 10-19 C.
Permanent deformation of metals and alloys below the temperature at which a strain-free microstructure is produced continuously.
A positive charge carrier with a charge of 1.60 x 10-19 C.
A semiconducting material which is essentially pure and for which the energy gap is small enough to be surmounted by thermal excitation.
Materials which are characterized by high thermal and electrical conductivity.
A directional primary bond resulting from the sharing of electrons.
A material with a low electrical conductivity.
A mixture of two or more metals or a metal (ketals) and a nonmetal (nonmetals).
The time rate passage of charge through material.
The volume of atoms in a selected unit cell divided by the volume of the unit cell.
A planar defect where the structure is a mirror image across the twin plane
The first sage in the removal of the effects of cold working when a cold-worked meal is slowly heated.
A semiconductor that has been doped with an impurity element to increase its conductivity.
The process whereby a cold-worked metal is heated to a sufficiently high temperature for a long enough time to form a new strain-free grain structure.
An alloy of two or more metals or a metal(s) and a nonmetal(s) which is a single-phase atomic mixture.
A primary bond resulting from the sharing of delocalized electrons.
A regular three-dimensional pattern of atoms or ions in space.
A crystalline structure which contains many grains.
Grains which are approximately equal in all directions
Electrons in the outermost shells which are most often involved in bonding.
The energy band containing the valence electrons.
DefinitionTerm
A convenient repeat unit of a space lattice
A unit cell with an atomic packing arrangement in which one atom is in contact with eight identical atoms located at the corners of an imaginary cube.
A unit cell with atomic packing where each atom has 12 nearest neighbors. The stacking sequence of close-packed layers is ABABABAB.
A crystalline imperfection in which a lattice distortion is centered around a line.
The unfilled energy levels into which elecrons can be excited to become conduction electrons.
An ion with a negative charge.
Materials consisting of compounds of metals and nonmetals which are usually hard and brittle.
A measure of the resistance of a material to permanent deformation.
The measure of the difficulty of electric current to pass through a volume of material.
A nondirectional primary bond resulting from electrostatic attraction.
The electric current per unit area.
A measure of the ease of electron current to pass through a unit volume of material.
In the band theory, local energy levels near the conduction band that lie within the band gap.
The process of atoms moving over each other during the permanent deformation of a metal
A single crystal in a polycrystalline aggregate.
The measure of the difficulty of electric current to pass through a unit volume of material.
An ion with a positive charge.
A combination of a slip plane and a slip direction.
Line markings on the surface of a metal due to slip caused by permanent deformation.
Materials consisting of long molecular chains or networks of low-weight elements such as carbon, hydrogen, oxygen, and nitrogen.
In the band theory, local energy levels near the valence band that lie within the band gap.
A material with high electrical conductivity.
A material whose electrical conductivity is approximately midway between the values for conductors and insulators.

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