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Unformatted text preview: he during describes the magnitude modiﬁers
however, several common pureof an oxide glass. Network of the change in insulator.cations, electrons, and holes in the
property or ion.metalsuniformlyCr, and W have CNs of only 8, volumetric density of the material. atoms
reinforcement with the phase from a section so the strain solution.
volume tensile str
throughout theforms. three-dimensional networks. They are
in their purest gage supersaturated solid is also uniform.
goodunit volume ofcharge strengththe Ultimate considere
long-range order A material that
the resistivityuseful conductor of thecontains aorder, deﬁnedin
erequired and to provide crystalline material abecause they describea regular repeating
together to bonds anCoordinationsimple cubic (SC)Existence resultingcubic not change in basal plane The top or a solid. plane in a cry
amorphous material A material a material. In symmetry
unitascellandtemperature.nearest or molecularthatwith a particular a that unit cell. the densitythe the material.is deﬁned by
The numbers are representationcrystal with the such the
repeating atomic neighbors, associated lacks
the number and type of of atoms, ions, or molecules within solid struc- hexagonal crystals
which is regionisorder.material. located consideration tocorner
thethat ofor ionswe expandcollection eight include
atoms characteristic of thecrystalline
true expansion coefﬁcient The
volumetric thermalstrain A two-phase microstruc
crystals All solids exhibit short-rangeAmorphous, lacking three-dimensional
the unit cell
ture. long-range orderthe smallest As within the structure.
spheroidite t ofThe natural logari
crystalline is established
a patterned a
the six corners hexagons. It is
heat-treating a placed oninstantaneous length divided by nor
The average time
tructure. When applied solid.order. Amorphousinwe ﬁnd thatare eitherof distinct types of solids.
second- and higher-order martensite are either are
Amorphous materials The result rubbers or glasses.
of atoms or ions that repeats Absorption of li...
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