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Oxidation and Hot Corrosion Behaviour of Cr3C2 25 (Ni20Cr) Thermal Spray Coating

ALTYBAYEV, MERDAN (2015) Oxidation and Hot Corrosion Behaviour of Cr3C2 25 (Ni20Cr) Thermal Spray Coating. IRC, Universiti Teknologi PETRONAS. (Submitted)

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High temperature oxidation and corrosion represents the most maleficent forms of surface degradation, which leads to the loss of mechanical strength and disastrous failure of structural and engineering components. They are generally encountered in materials used in turbines and aero engines, which operate in high temperature and corrosive environments. Due to extensive employment of these materials, the high temperature oxidation and corrosion behaviour has been the subject of intense investigation for the past several years. Therefore, the present study investigates the oxidation and hot corrosion behaviour of Cr3C2 25 (Ni20Cr) thermal spray coating on Austenitic stainless steels (AISI 304) exposed to extreme corrosive (Na2SO4) environment, at 900 oC. HVOF (High Velocity Oxy-Fuel) method will be used to apply coating on the surface of substrate material. The weight change measurements made on the substrate during the experiments will be used to determine the kinetics of oxidation and hot corrosion. Surface structure and morphology will be evaluated using X-ray diffraction (XRD), X-ray mapping and field emission scanning electron microscope (FESEM).

Item Type: Final Year Project
Academic Subject : Academic Department - Petroleum Geosciences - Petrophysics - Petrophysical data acquisition
Subject: T Technology > T Technology (General)
Divisions: Geoscience and Petroleum Engineering
Depositing User: Ahmad Suhairi Mohamed Lazim
Date Deposited: 19 Oct 2016 09:08
Last Modified: 25 Jan 2017 09:35
URI: http://utpedia.utp.edu.my/id/eprint/16870

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