Science Quiz / Materials Science Vocab

Random Science or Definition Quiz

Can you name the Materials Science Vocab?

Quiz not verified by Sporcle

Forced Order
Challenge
Share
Tweet
Embed
Score 0/90 Timer 15:00
DefinitionWord
a measure of the amount of energy a material can absorb before fracture
an interstitial solid solution of carbon in FCC iron; the maximum solid solubility of carbon in FCC iron is 2.0 wt%
an ion with a negative charge
if a metal deformed by a force returns to its original dimensions after the force is removed, the metal undergoes this process
the ease of forming martensite in a steel upon quenching from the austenitic condition. Mainly a funtion of composition and grain size
the maximum stress in the engineering stress-strain diagram
the point determined by the eutectic composition and temperature
the volume of atoms in a selected unit cell divided by the volume of the unit cell
Materials consisting of compounds of metals, nonmetals, and metalloids
if a metal deformed by a force cannot fully recover to its original dimensions, it undergoes this process
a positive charge carrier with a charge of 1.6 x 10-19 C
the electric current per unit area, J (A/m^2 are units)
a negative charge carrier with a charge of 1.6 x 10-19 C
grains which are approximately equal size in all directions and have random orientations
the temperature at which liquid starts to solidify under equilibrium conditions
a scientific discipline that is primarily concerned with the search for basic knowledge about the internal structure, properties, and processing of materials
A regular three-dimensional pattern of atoms or ions in space
one that is to the left of the eutectic point
a localized decrease in cross sectional area of a tensile test specimen
materials used in electronics, especially microelectronics
the tensile modulus of a material divided by its density
the second stage of the annealing process, in which new grains start to grow and dislocation density decreases significantly
Electrons in the outermost shells, which are most often involved in bonding
a crystalline structure that contains many grains
average force divided by the original cross-sectional area
a mixture of two or more metals or a metal (metals) and a nonmetal (nonmetals)
the energy band containing the valence electrons. In a conductor the valence band is also the conductor band. The valence band in a conducting metal is not full so some elctrons ca
conditions where all the stress on a material causes uniform strain parallel to the composite layers as it pulls the edges apart
a convenient repeating unit of a space lattice. The axial lengths and axial angles are the lattice constants of this.
a combination of a slip plane and a slip direction
DefinitionWord
a region of a metal crystal which is a mirror image of a similar region along a plane
the temperature during the solidification of an alloy at which the last of the liquid phase solidifies
a material with a low electrical conductivity
an ion with a positive charge
a physically homogeneous and distinct portion of a material system
a single crystal in a polycrystalline aggregate
a phase transformation in which all the liquid phase transforms on cooling into two solid phases isothermally
The critical value of the stress-intensity factor that causes failure of the plate in the tensile test
a mixture of alpha ferrite and very small particles of Fe3C particles produced by the decomposition of austenite; a nonlamellar eutectoid decomposition product of austenite
in the band theory, local energy levels close to the valence band
metals and alloys that contain a large percentage of iron such as steels and cast irons
the change in length of sample divided by the original length of the sample
the process of atoms moving over each other during permanent deformation
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 an atomic packing arrangement in which 12 atoms surround a central identical atom. The stacking sequence is ABABAB
an interstitial solid solution of carbon in BCC iron; the maximum solid solubility of carbon in BCC iron is 0.02 wt%
the measure of the difficulty of electric current to pass through a unit volume of material
A surface imperfection that separates crystals of different orientations in a polycrystalline aggregate
The time rate passage of charge through material
materials consisting of long molecular chains or networks of low weight elements such as carbon, hydrogen, oxygen, and nitrogen. have low electrical conductivities
a material with a high electrical conductivity
a measure of the ease with which electric current passes through a unit volume of material
test in which a 1 inch diameter bar 4 inches long is austenitized and then water-quenched at one end. Hardness is measured along the side of the bar up to about 2.5 inches from the
the measure of the difficulty of electric current to pass through a volume of material
in the band theory, local energy levels near the conduction band that lie within the band gap
materials that are mixtures of two or more materials
conditions where the layers are perpendicular to the applied stress and produces an equal stress condition on all the layers
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
equilibrium phase transformations involving zero degrees of freedom
DefinitionWord
A non-directional primary bond resulting from electrostatic attraction
a material whose electrical conductivity is approximately midway between the values for conductors and insulators
stress divided by strain in the elastic region of an engineering stress-strain diagram
A crystalline imperfection in which a lattice distortion is centered around a line
a unit cell with an atomic packing arrangement in which 12 atoms surround a central atom. The stacking sequence is ABCABC...
a measure of the resistance of a material to permanent deformation
a steel with 0.8 precent C
a supersaturated interstitial solid solution of carbon in body-centered tetragonal iron
a mixture of ferrite and cementite phases in parallel plates produced by the eutectoid decomposition of austenite
a semiconductor that has been doped with an impurity element to increase its electrical conductivity
the temperature at which a eutectic reaction takes place
permenant deformation of metals and alloys below the temperature at which a strain-free microstructure is produced continuously. Causes a metal to be strain hardened
the stress at which a specific amount of strain occurs in the engineering tensile test. In the US the yield strength is determined for 0.2 percent strain
the tensile strength of a material divided by its density
the unfilled energy levels into which electrons can be excited to become conductive electrons. In semiconductors and insulators there is an energy gap between the filled lower vale
an engineering discipline that is primarily concerned with the use of fundamental and applied knowledge of materials so that they can be converted into products needed or desired b
A primary bond resulting from the sharing of delocalized electrons
a mode of fracture characterized by rapid crack propagation
temperature at which reduced ductility and fracture resistancve of a material is observed
one that is to the right of the eutectic point
a mode of fracture characterized by slow crack propagation
metals and alloys that do not contain iron, or if they do contain iron, it is only in a relatively small percentage
substances of which something is composed or made
line markings on the surface of a metal due to slip caused by permanent deformation
an alloy of two or more metals or a metal(s) and a nonmetal(s) which is a single phase atomic mixture
the composition of the liquid phase that reacts to form two new solid phases at the eutectic temperature
the first stage in the annealing process that results in removal of residual stresses and formation of low energy dislocation configurations
a system where no macroscopic changes take place with time
the inter metallic compound Fe3C; a hard and brittle phase
A directional primary bond resulting from the sharing of electrons

You're not logged in!

Compare scores with friends on all Sporcle quizzes.
Sign Up with Email
OR
Log In

You Might Also Like...

Show Comments

Extras

Top Quizzes Today


Score Distribution

Your Account Isn't Verified!

In order to create a playlist on Sporcle, you need to verify the email address you used during registration. Go to your Sporcle Settings to finish the process.