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Unformatted text preview: y high
oves through a solid in
values of EN are said to be electronegative while those with comparatively low EN values
electrostatic painting A spray-painting process in
are termed electropositive. Another important quantity in determining the type of bond
which the paint particles and the surface being painted
formed in a compound involving two types of atoms is the electronegativity difference,
escribe materials that are able
EN,are given opposite electrical charges so that the particles
between the atoms.
ding” rather than by fracture
accelerate toward the target surface.
en subjected to external loads.
electrostriction The change in dimensions of a
r plastic bumper on a car is
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a car window is not. More
endurance limit Se The value of the stress amplitude
s exhibit a high failure strain.
in fatigue below which failure will not occur regardless of
on temperature (DBTT) The
the number of repeated load applications.
of the fracture surface in a
energy gap See band gap.
The change in length of a specengineering strain
perature corresponding to the
imen or component divided by the original length.
er and upper shelf energies in a
engineering strain at fracture f The value of the
strain when failure occurs.
location that is formed v v motion of an edge dislocation
es migrate to the edge of the
sults in the dislocation being
p plane. Climb requires mass MP v v rgers vector and the unit tangent
electron afﬁnity The energy released when an isolated
independent of temperature.
ion implantation than process thewhich ions ofconduction bands.
deep drawing A process by which
nucleus A either in valence or light
location motion does not involve
neutral electronegative atom gains an electron.
elements such/ as boron and nitrogen are made to impinge
pg031 [R] G1 7-27060 IRWIN / Schaffer
ak 12-25-97 pgm 1-14-98 of atoms centered on a
The number QC1
core electrons electron conﬁguration The contained density of metal is shaped into a cup by mech
Those electrons that are
on the surface of the workpiece at a high velocity. The distribution o...
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