ENPLATE electroless nickels are chemical plating processes
that autocatalytically deposit nickel alloyed with 1 to 12% by weight
phosphorus. Electroless nickel deposits are produced by chemical
reduction of nickel onto metallic or non-metallic substrates. Since the
process requires no electrical current (as used in electrolytic deposition
of chromium or nickel), the result is a very uniform continuous coating.
Blind holes, threads, channels recesses of internal areas receive the same
amount of plate as sharp corners, edges or flat surfaces. Therefore, total
"as plated" thickness can often be reduced and close tolerances (within
0.00005 to 0.0001") maintained. Additionally post grinding or polishing
is often eliminated because parts can be plated to size".

ENPLATE electroless nickel coatings can achieve bond strengths
of 40,000 to 60,000 psi* on steel and 20,000 to 30,000 psi* on aluminum.
(*Determined by the Ring Shear Method). Most ENPLATE electroless
nickel coatings have as-plated hardness values of 500 to 750 Vickers
(HV100). These hardness values can be increased to 800 to 1100 HV100
when heat treated.

The excellent wear characteristics of ENPLATE electroless nickel coatings
make them suited for a wide range of applications and problem solving
tasks. This is due to their high hardness, good adhesion, excellent
lubricity, low coefficient of friction, and uniform coverage capability. The
overall wear properties of ENPLATE Electroless Nickel deposits, under
lubricated conditions, can be equal or even superior to hard chromium
plating. This can be especially important utilizing heavy deposit build-ups
in overhaul and repair operations.

The corrosion protective properties of ENPLATE electroless nickel
are partially attributable to its dense, essentially amorphous structure
which can be free from porosity. The extremely uniform nature
of the coating also helps insure consistent coating thickness in all areas
and adds to the corrosion resistance of the deposit.Selection of the
appropriate ENPLATE electroless nickel coating is critical to its successful use.
Back to Index