Study on the Working Performance of 45# Mechanical Element with Ni-P-Co Alloy Coating

Xiao Zhou Li

doi:10.4028/www.scientific.net/AMM.37-38.1360

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 37-38Study on the Working Performance of 45# Mechanical...

Study on the Working Performance of 45# Mechanical Element with Ni-P-Co Alloy Coating

Abstract:

The working performance of Ni-P-Co alloy coating on the tooth surface of gears made from mechanical element of 45# steel was carried out. The experimental process on Ni-P-Co alloy coating was described. Several experimental results on the alloy coating such as surface shape, material element, metallographic structure, the adhesive strength between Ni-P-Co coating and 45# steel substrate, the shape characteristic of fatigue pitting and micro-hardness were analyzed. It is shown that the contact fatigue life and strength of steel gears with Ni-P-Co alloy coating is increased.