Influence of Heat Treatment on Microhardness and Surface Roughness of Electroless Ni-YSZ Composite Coating

Authors

  • Nor Bahiyah Baba Faculty of Engineering Technology, University College TATI (UC TATI), 24000 Kemaman, Terengganu, Malaysia
  • Amirul Syazwan Ghazali Faculty of Engineering Technology, University College TATI (UC TATI), 24000 Kemaman, Terengganu, Malaysia
  • Afifah Humaira Abdul Rahman School of Engineering, University of Edinburgh, Edinburgh EH8 9QT, Scotland, United Kingdom
  • Nor Azinee Said Faculty of Engineering Technology, University College TATI (UC TATI), 24000 Kemaman, Terengganu, Malaysia
  • Safian Sharif Faculty of Manufacturing Engineering, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia

DOI:

https://doi.org/10.37934/arfmts.99.1.114122

Keywords:

Electroless nickel, composite coating, microhardness, surface roughness, heat treatment

Abstract

The application of heat treatment was introduced in Ni-YSZ composite coating as the incorporation of ceramic YSZ in electroless nickel deposition is new and worth investigating. In this paper, the influence of heat treatment by varying the heating temperature and time on the electroless Ni-YSZ composite coating is investigated. The Ni-YSZ composite is deposited onto a high-speed steel substrate via electroless nickel co-deposition. YSZ powder of mixed sizes of micro- and nano-sized of the ratio of 1:1 is incorporated in the electroless deposits. The electroless Ni-YSZ composites coating was heated up to 400oC for a maximum of 2 hours. The microhardness measurements were carried out using a Vickers microhardness tester (Shimadzu) according to ISO 6507-4. The surface roughness of the coating was measured using Mitutoyo surface roughness tester SJ-301. The surface characterisation was analysed using Cambridge Stereoscan 90 Scanning Electron Microscope (SEM) coupled with Energy Dispersive X-ray Analysis (EDX). The crystallographic structure of materials was analysed by X-ray diffraction (XRD) Bruker D8 Advance instrument. The microhardness and surface roughness of the coating both increase with time. The microhardness is directly proportional to the heating temperature and time and these observations are supported by the XRD analysis. The surface roughness observation is explained by the SEM micrographs.

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Author Biographies

Nor Bahiyah Baba, Faculty of Engineering Technology, University College TATI (UC TATI), 24000 Kemaman, Terengganu, Malaysia

bahiyah@uctati.edu.my

Amirul Syazwan Ghazali, Faculty of Engineering Technology, University College TATI (UC TATI), 24000 Kemaman, Terengganu, Malaysia

amirulsyazwan0220@gmail.com

Afifah Humaira Abdul Rahman, School of Engineering, University of Edinburgh, Edinburgh EH8 9QT, Scotland, United Kingdom

S2011716@ed.ac.uk

Nor Azinee Said, Faculty of Engineering Technology, University College TATI (UC TATI), 24000 Kemaman, Terengganu, Malaysia

nor_azinee@uctati.edu.my

Safian Sharif, Faculty of Manufacturing Engineering, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia

safian@fkm.utm.my

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Published

2022-09-01

How to Cite

Nor Bahiyah Baba, Amirul Syazwan Ghazali, Abdul Rahman, A. H., Nor Azinee Said, & Safian Sharif. (2022). Influence of Heat Treatment on Microhardness and Surface Roughness of Electroless Ni-YSZ Composite Coating. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 99(1), 114–122. https://doi.org/10.37934/arfmts.99.1.114122

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