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    Volume 49, Issue 5 (May 2020)

    Effect of Plural Spray Coating Process Parameters on Bonding Strength of Polyurea with Steel and Aluminum for Liquid Storage Applications

    (Received 6 February 2020; accepted 4 March 2020)

    Published Online: 08 May 2020

    CODEN: JTEVAB

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    Abstract

    The intention of surface coating is to improve the lifespan of the hazardous liquid storage tank to avoid the catastrophic failure by corrosion or leakage. Water or oxygen present inside the storage tanks tends to permeate through the substrate because of the poor adhesive properties, leading to corrosion, leakage, etc. Recently, polyurea (PU) has been widely used as a surface coating to protect the material under various harsh loads and climatic conditions. However, ultimate variation in the efficiency of PU coating is with respect to various coating process parameters. Herein, the plural spray coating process parameters, namely mixing ratio, temperature, coating pressure, and stand-off distance on the bonding strength of PU coating with steel and aluminium, were optimized. Furthermore, with the help of the Taguchi method, the optimum process parameters and their corresponding levels were identified, and it was found that each response has a different best process parameter. To circumvent this, Grey relational analysis (GRA) was carried out, and it has improved the overall efficiency of both the substrates by nearly 10 %.

    Author Information:

    Arunkumar, T.
    Department of Mechanical Engineering, CMR Institute of Technology, Bengaluru,

    Anand, G.
    Department of Mechanical Engineering, MVJ College of Engineering, Bengaluru,

    Venkatachalam, P.
    Department of Mechanical Engineering, MVJ College of Engineering, Bengaluru,

    Anish, M.
    School of Mechanical Engineering, Sathyabama Institute of Science and Technology, Chennai,

    Jayaprabakar, J.
    School of Mechanical Engineering, Sathyabama Institute of Science and Technology, Chennai,

    Sajin, J. B.
    Department of Mechanical Engineering, Sree Buddha College of Engineering, Alappuzha, Kerala


    Stock #: JTE20200061

    ISSN:0090-3973

    DOI: 10.1520/JTE20200061

    Author
    Title Effect of Plural Spray Coating Process Parameters on Bonding Strength of Polyurea with Steel and Aluminum for Liquid Storage Applications
    Symposium ,
    Committee C24