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Application Of Tri-Vector Analysis To Identify The Optimum Coating Thickness In Induced Draft Fans

Author

Listed:
  • SANGITA SARANGI

    (Department of Mechanical Engineering, Institute of Technical Education and Research, Siksha O Anusandhan (Deemed to be University), Bhubaneswar 751030, Odisha, India)

  • AJAY KUMAR BEHERA

    (Department of Mechanical Engineering, Institute of Technical Education and Research, Siksha O Anusandhan (Deemed to be University), Bhubaneswar 751030, Odisha, India)

  • SHUBHRA BAJPAI

    (��Institute of Minerals and Materials Technology, Council of Scientific and Industrial Research (CSIR-IMMT), Bhubaneswar 751013, Odisha, India)

  • SUBHADRA SAHOO

    (��Department of Metallurgical Engineering, Veer Surendra Sai University of Technology, Burla 768018, Odisha, India)

  • SUNITA SETHY

    (�Department of Production Engineering, Veer Surendra Sai University of Technology, Burla 768018, Odisha, India)

  • SUDHANSU RANJAN DAS

    (�Department of Production Engineering, Veer Surendra Sai University of Technology, Burla 768018, Odisha, India)

Abstract

An atmospheric plasma spray deposition process was adopted for coating regular-shaped, Stellite 6 powder directly on a rolled 3mm size AISI 304 austenitic grade stainless steel substrate without any intermediate bond layers. Coating thickness as measured in a scanning electron microscope was obtained as 74 μm, 128 μm, and 215 μm. An experimental investigation of the functional behavior such as corrosion, microhardness, and erosion of the coated steel at different operating temperatures was undertaken to determine the suitability of its application in the industry. Erosion tests were conducted in an air jet tribo-tester utilizing alumina as an erodent with normal impingement angle at room temperature, 300∘C, and 600∘C. It was difficult to identify a single coating thickness that can be satisfactorily used for superior erosive wear properties with corrosion resistance. So modern management tools such as tri-vector and technology sieve analysis procedures as identification techniques were adopted for the selection of the best coating thickness by complying with the mechanical, erosion, and corrosion resistance properties. Steel coated with 128-μm coating thickness provides the best result for a combination of functional characteristics.

Suggested Citation

  • Sangita Sarangi & Ajay Kumar Behera & Shubhra Bajpai & Subhadra Sahoo & Sunita Sethy & Sudhansu Ranjan Das, 2025. "Application Of Tri-Vector Analysis To Identify The Optimum Coating Thickness In Induced Draft Fans," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 32(10), pages 1-16, October.
    • Handle: RePEc:wsi:srlxxx:v:32:y:2025:i:10:n:s0218625x24501336
    DOI: 10.1142/S0218625X24501336
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