Unformatted text preview: on by an electric which a that these speciﬁc bond
hard facing A process in ﬁeld.
mond, organic molecules, and polymeric chains. We will see thick layer of hard
r window is not. More
angles inﬂuence the macroscopic engineering the surface of the workpiece by
endurance limit Se The value of theofstress amplitude
material is deposited on properties the corresponding materials.
ibit a high failure strain.
in fatigue below which or a brazingnot occur regardless of
either are spherically symmetric
a welding failure will pprocess. dumbbell shape
orbitals have a
mperature (DBTT) 2.2–2
the number magnets Ferro- or ferrimagnetic materials with
of repeated load applications. z
A highly schematic illustraz
the fracture surface the probability dention of in a
energy gap hysteresis loops.
large See band gap.
llographic facets. functions for electrons
in certain subshells of an
T of a material to resist a specengineering strainAbility he change in length of penetration. A
ture correspondingNote that the s subatom. to the
imen or component divided hard if original length. required to
shells are radially
material is said to be by the large forces are y
d upper shelf energiesp insymmeta
ric while the subshells
engineering a permanent indentation The value of2pthe
cause strain at fracture f
(and all other subshells) are
strain when failure occurs.
heat-affected zone (HAZ) A zone of material on the
ion that is formed
T is adjacent to by the metal–base
base metal side thathe load dividedthe weldoriginal
of an extra half plane into
cross-sectional area normal to the applied load.
metal interface in which microstructural changes occur
due to thez
epitaxial growthintense heat ofin which a thin layer of
A process the welding process.
The distance at which
crystalline material is grown on a substrate that acts as a the
heat capacity A materials property that represents
n a solid solution reaches a
seed crystal. of heat energy required to raise the temperature
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