Abstract
Ceramic-metal surface coating is very well known for its high thermal, wear and corrosion resistance. The paper discussed on comparison of characterization of Nickel-cubic boron nitride (Ni-CBN) composite coating on two types of substrate. The substrates used are High Speed Steel (HSS) and Carbide due to good hardness, low cost and easily available. The composite Ni-CBN has been used in machining industries recently. It is desirable to get high ceramic of CBN to metal Ni ratio for corrosion, thermal and wear resistance. A sample of HSS and carbide substrate of CBN was used as the base for composite deposition. The surface coating of Ni-CBN was deposited via electroless nickel where the process of involved chemical reactions as the ceramic CBN powders was embedded within the coating. The characterization of the composite deposition was done by JSM-7800F Field Emission Scanning Electron Microscope (FESEM) coupled with Energy Dispersive X-Ray (EDX). The FESEM image proves that nano CBN powders were embedded in HSS substrate and distributed consistently on the coating surface.
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