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Electroless Nickel Plating Terms
–
The deformation or wearing away of a surface material due to frictional
forces and/or impact engendered by a nearby body or element.
– The loss of passivity
on the surface of a solid.
– The sticking together
or attractive force between two materials in contact. The adhesion that
electroless nickel provides to most metals is excellent.
– A solid compound consisting
of two or more metals fused together.
– A positively-charged
conductor that attracts nearby free electrons. Anodes are a uniformity
factor for the electroplating process, but not electroless plating.
– Metal that easily
oxidizes or dissolves, forming ions.
– A process that
is used to create an extremely bright surface on a metal.
– The quickened rate
of a chemical reaction due to a catalytic agent. Catalysts are often applied
to substrates to speed up the finishing procedure.
– The distance
from the top layer of the coating material to its substrate’s outermost
surface. Common thicknesses for nickel deposits range from .0005 to .001
inches.
– A substance formed
by the chemical union of two or more elements.
– A metal’s
capacity to transmit electric current.
– The deterioration
of a metal due to reaction with atmospheric elements. Nickel plating is
admired for its anti-corrosive qualities.
(http://www.deburringmachinery.com)
– The removal of burrs and sharp edges on a metal by chemical, electrochemical
and mechanical processes.
– The ratio of a material’s
mass to its volume. Nickel compounds used for coating purposes typically
have densities in the range of 7.7 gm/cm3 to 8.5 gm/cm3, depending on
the concentration of phosphorus.
– The ability of
a metal to withstand deformation before finally fracturing.
– The
ability of a material to resist the flow of electrical current.
– An alloyed
material that has a melting point lower than that of each individual element
alone.
– The resistance of
a material to deformations by indentation. For electroless nickel plating,
common hardness values range from 44 HRC to 59 HRC.
– The act of submerging
a product. Substrates are immersed into baths containing electroless nickel
plating chemicals.
– A charged atom or molecule.
– A reaction in which
electrons are removed from a reactant, usually because of the addition
of oxygen.
– A decrease in the
corrosion rate of metal, which results from the application of a protective
film such as electroless nickel plating.
– The material that
is being coated or plated.
– The maximum
amount of tensile force that can be applied to a material before it is
broken apart. Electroless nickel plating has comparable tensile strength
to many hardened steels.
– The surface features
of a material. Substrate topography affects coating appearances for many
metal products.
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