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Tribological Properties of Al2O3 Particles Reinforced Ni-P Composite Coating

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Abstract:

In this study, hardness and wear resistance of electroless Ni–P and Ni–P/Al2O3 composite coating have been investigated. These composite coatings are applied on iron substrate by electroless deposition process and then they were heat treated at 400°C for 1h. Surface and cross-section morphology of composite deposits have been investigated by scanning electron microscopy (SEM) and microstructural changes were evaluated by X-ray diffraction (XRD) analysis. The results showed that the Al2O3 particles co-deposited in Ni–P matrix led to an increase in the hardness and improve wear resistance, especially when the heat treated at 400°C will have the maximum hardness and wear resistance.

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Periodical:

Key Engineering Materials (Volume 739)

Pages:

148-151

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.739.148

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Online since:

June 2017

Authors:

Chih I Hsu*, Kung Hsu Hou, Ming Der Ger

Keywords:

Electroless, Hardness, Ni-P/Al2O3 Composite Coating, Wear Resistance

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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