Wear resistance is a primary benefit of

Wear resistance is a primary benefit of electroless nickel coatings. This attribute is used by engineers to prolong the life of many components including gears, cylinder liners and fuel injection systems.

Generally speaking an electroless nickel wear resistance is related to its hardness. The hardness of the most popular medium phosphorous electroless nickel systems is between 450 and 600 HV (no heat treatment). This gives an equivalent wear resistance of 22 – 26 mg / 1000 cycles when measured by the Taber Wear Index (TWI).

The hardness is increased to over 900 HV by heat treating the deposit, resulting in reduced weight loss when measured by the TWI to less than 18 mg/1000 cycles.

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