Comparative wear study of plasma sprayed TiO<inf>2</inf> and Al<inf>2</inf>O<inf>3</inf>-TiO<inf>2</inf> on mild steels

M. J. Ghazali, S. M. Forghani, N. Hassanuddin, A. Muchtar, A. R. Daud

    Research output: Contribution to journalArticle

    Abstract

    With good combination of hardness, ductility, and wear resistance, TiO<inf>2</inf> coatings are one of the most potential hard ceramic coatings. TiO<inf>2</inf> in an Al<inf>2</inf>O<inf>3</inf> coating had increases the wear resistance which has contributed to an increase in the fracture toughness and decrease in the coefficient of friction. The specific wear rates of pure TiO<inf>2</inf> coatings are found to be ranging from 1.62×10<sup>-5</sup>-4.19×10<sup>-5</sup> cm<sup>3</sup>/Nm whereas the Al<inf>2</inf>O<inf>3</inf>/TiO<inf>2</inf> coatings are in the range of 2.0×10<sup>-3</sup> cm<sup>3</sup>/Nm to 28.0×10<sup>-3</sup> cm<sup>3</sup>/Nm. This concludes that the TiO<inf>2</inf> coatings are most preferable in improving wear resistance.

    Original languageEnglish
    JournalTribology International
    DOIs
    Publication statusAccepted/In press - 25 Sep 2014

    Fingerprint

    Carbon steel
    Wear of materials
    steels
    Plasmas
    coatings
    Coatings
    wear resistance
    Wear resistance
    Hard coatings
    ceramic coatings
    Ceramic coatings
    fracture strength
    ductility
    coefficient of friction
    Ductility
    Fracture toughness
    hardness
    Hardness
    Friction

    Keywords

    • Bi-modal
    • Ceramic
    • Coating
    • Plasma spray

    ASJC Scopus subject areas

    • Mechanical Engineering
    • Mechanics of Materials
    • Surfaces, Coatings and Films
    • Surfaces and Interfaces

    Cite this

    Comparative wear study of plasma sprayed TiO<inf>2</inf> and Al<inf>2</inf>O<inf>3</inf>-TiO<inf>2</inf> on mild steels. / Ghazali, M. J.; Forghani, S. M.; Hassanuddin, N.; Muchtar, A.; Daud, A. R.

    In: Tribology International, 25.09.2014.

    Research output: Contribution to journalArticle

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    abstract = "With good combination of hardness, ductility, and wear resistance, TiO2 coatings are one of the most potential hard ceramic coatings. TiO2 in an Al2O3 coating had increases the wear resistance which has contributed to an increase in the fracture toughness and decrease in the coefficient of friction. The specific wear rates of pure TiO2 coatings are found to be ranging from 1.62×10-5-4.19×10-5 cm3/Nm whereas the Al2O3/TiO2 coatings are in the range of 2.0×10-3 cm3/Nm to 28.0×10-3 cm3/Nm. This concludes that the TiO2 coatings are most preferable in improving wear resistance.",
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    AU - Daud, A. R.

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