Science Quiz / MSE Vocab

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Can you name the MSE Vocab?

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

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Created Apr 26, 2011ReportNominate
Tags:Vocabulary Quiz

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