Electroless Nickel-Phosphorus Plating on TiB2 Powder

Shuo Sun; Bo Su; Wei Shi

doi:10.4028/www.scientific.net/AMR.690-693.2149

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Electroless Nickel-Phosphorus Plating on TiB₂ Powder

Abstract:

Electroless deposition technique was used to coat Ni-P on TiB₂ particles by activating the TiB₂ powder in a furnace at 400 ^◦C for 1 h. Scanning electron microscopy images and EDS spectra before and after electroless nickel plating confirm that nickel is deposited on the surface of TiB₂particles. With the increase of heat treatment temperature, coating weight is increased firstly and then decreased, and reached the maximum value at 400 ^◦C. XRD results show that the Ni-P deposit was predominantly amorphous. However, after heat treatment, the metallic deposits can easily transform into crystalline Ni and Ni₃P phases, as confirmed by DSC and XRD analyses.