Corrosion behavior of nanocrystalline CoNiFe electrodeposited on stainless steel / Nor Azrina Resali

Resali, Nor Azrina (2015) Corrosion behavior of nanocrystalline CoNiFe electrodeposited on stainless steel / Nor Azrina Resali. In: The Doctoral Research Abstracts. IGS Biannual Publication, 8 . Institute of Graduate Studies, UiTM, Shah Alam.


The stainless steels are become more susceptible to localized corrosion when they are exposed to harsh environments. This study is to deposit an alternative material focusing on nanocrystalline CoNiFe which has been identified as a potential candidate for replacing hexavalent chromium plating in corrosion resistant coating. This material is recognized as a green material because it does not hazardous to environment. The objectives of this research are to optimize the deposition parameters in synthesise nanocrystalline CoNiFe coating layer on stainless steel and heat treat it to obtain optimum corrosion properties in suitable environments. The CoNiFe coating was synthesised using an electrodepostion process by varying pH solutions (3, 7 & 9) and deposition times (30, 60 & 90 minutes) in order to determine the optimum deposition parameters. Other parameters such as electrolyte composition, temperature and current density were kept constant. The heat treatment process was conducted at the optimum heat treatment temperature of 700oC under two different inert gas atmospheres, which are 100% argon and mixture of 95% 10 argon + 5% hydrogen gases. Lastly, the corrosion behaviour of nanocrystalline CoNiFe with and without heat treatment under various environments was determined…


Item Type: Book Section
CreatorsEmail / ID. Num
Resali, Nor AzrinaUNSPECIFIED
Subjects: L Education > LB Theory and practice of education > Higher Education > Dissertations, Academic. Preparation of theses > Malaysia
Divisions: Universiti Teknologi MARA, Shah Alam > Institut Pengajian Siswazah (IPSis) : Institute of Graduate Studies (IGS)
Series Name: IGS Biannual Publication
Volume: 8
Item ID: 19581
Uncontrolled Keywords: Abstract; Abstract of thesis; Newsletter; Research information; Doctoral graduates; IPSis; IGS; UiTM; Nanocrystalline



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