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Unformatted text preview: he between collisionsa vacuum.and the matrix
othera material time matrix phase. The reinforcingThe average time material
mean to the permeability of
desired shape between two platens that materials molds. with low
act as are strong
t would normally close if
order. Amorphous materials
can be metal, ceramic, or polymer. Typically reinforcing
between The usually a ductile, or tough, motion of composite
resistance R scattering events during thematerial. thatcharge is
densities while the matrix is extrinsic materials property If which
of the circuit.
concentration polarizationan A mechanism by
normal stress The force d
carriers in response to
st solid that appears upon
designed and fabricated correctly,a material to resist, or oppose, the
the strength of the reinforcement with the
describes the ability of it combinesexternal electric ﬁeld.
the corrosion rateachieve a combination to desirable properties not available in
is reduced due of low ion diffusion
r that joins the end to the
toughness of the matrix to
transport of spinning charge in response to an external
melt electrical A process of making ﬁbers in which a
any singlewithin the material. The downside is that man-made composites are generconventional electrolyte.
rates viscous melt of the material passes through a spinnerette
Burgers vector is an
nucleation The ﬁrst step in
electric ﬁeld. than deﬁned as R
ﬁrst cementite that forms
ally more expensive It is conventional materials. Examples of some current applications
ion. through the
ofconcrete include mixturepiston,aggregateand pads, tires, and the Beechcraft
the diesel (or and turns into a ﬁber
with A T he of holes materials composite)
octahedral site A position
resistivity hundredsintrinsic brake shoes are composites. as it cools.
aircraft in which 100% of sand particles and gravel stones in a
containing small thecomposites to resist, or oppose, the
omposites inheld at a
neighbors, usually nearest ne
ase ﬁeld and
describes the variety of available reinforcement and matrix materials, as metals
Because of the ability of a material Composites utilizing well as the
matrix ofof electrical charge in response to an external produced
cement.a wide range of volume fractions, composites can be
s as well as the
ability to combine them in material.
d transformation matrix.
transport the matrix
0.2% offset yield strength
with a broad range of properties, notably elastic modulus, strength, and toughness comconduction band The band of primary is one offormed important
of permissible electron
y which the surface of a
electricThe ease of tailoring A type
starting at 0.2% on the strain
binations. metallic bonds properties to speciﬁc needs bond the most
energy composites. Another advantage over conventional a the plate
attributes between located above, but thickness when ﬂat band comthe initial elastic portion of a
tging thethat forms when a
rollingoflevels two electropositive separated of materials is that
A process in which the elements by their average
posites can be...
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