Unformatted text preview: kpiece at a high displace- The
crystallographic direction per u
Part III (atomic) polarization
The temporary velocity.
liquidus The temperature at which
mentsurface hardens due to penetration of the ions. an
of positive and negative ions in the presence of
liquid crystal An anisotrop
freeze during equilibrium cooling con
direction isﬁeld. to theA type of primary bond involving
ﬁber direction in a unidirectional ﬁber-reinforced composite.
solution characterized by mole
Equations 14.5–6 and 14.5–7 can be combined to obtain:
Existence of a
electronegative and electropositive atoms remove an a long-range order embrittlement r
ionization potential The energy required to
arrangement of atoms, ions, or molec
signiﬁcantf difference in their electronegativity values (14.5–8)
electron from an isolated neutral atom.
in which a of a metal prefere
crystalline region liquidmaterial.
(usually f EN 1m
boundaries in a solid.
isomorphous Having the same structure. When ﬁnd
Finally, by recognizing that, within the elastic limit, E
, we applied
ionic (atomic) polarization the solid phase has
The temporary displace- luminescence Absorption of light
to a phase diagram,Vindicating that
liquidus The temperature a
radiation at high frequencies with su
and negative ions in
the value of structure and hence complete solubility at modulus. an Ef
same Ecl ispositive the longitudinal, or isostrain,the presence of Since
freeze during equilibrium cooli
at lower frequencies.
is usually much ﬁeld. than Em and Vf is usually greater than Vm , Ecl is approxicomposition. greater
matelyionization f potential
equal to Vf E and the isostrain modulus is only a weak function of the an machining
The energy required to remove matrix
isostrain An assumption in the analysis of composites
arrangement of atoms, ions, or
removed by plastic shearing.
electron direction perpendicular to
inIf the loading ﬁber and isolated neutralconsidered to be shown in Figwhich the from anis the matrix aretheatom.direction, as
crystalline region of a material
ure 14.5–2b, to identical Havinglevels.transverse direction When estimated by
subjected the composite modulus in thesame structure. of abe applied magnetic domains Microscopic re
strain the It is the result can
recognizing that the total strain in the composite is the weighted sum of the strains in the
ferromagnetic crystal inAbsorptionof
which all o
load to matrix. Mathematically, to the ﬁbers.
being applied parallel
ﬁbers anda phase diagram, indicating that the solid phase has
radiation at high frequencies w
thec f An assumption hence complete composites (14.5–10)
isostresssamef structure andin the analysis of solubility at every dipoles are aligned with one another
at lower frequencies.
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