SOLID PARTICLE AIRJET EROSION AND CORROSION BEHAVIOR OF AA6063 ALUMINUM ALLOY

G.â S. Samy, M. Pethuraj, S. Thirumalai Kumaran and G. Kalusuraman
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G.â S. Samy: Centre for Research in Advanced Materials and Manufacturing (RAMAM), Department of Mechanical Engineering, Academy of Maritime Education and Training, Chennai 603112, Tamil Nadu, India
M. Pethuraj: Department of Mechanical Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai 602105, Tamil Nadu, India
S. Thirumalai Kumaran: Department of Mechanical Engineering, PSG Institute of Technology and Applied Research, Coimbatore 641062, Tamil Nadu, India
G. Kalusuraman: Faculty of Mechanical Engineering, Kalasalingam Academy of Research and Education, Krishnankoil 626126, Tamil Nadu, India

Surface Review and Letters (SRL), 2024, vol. 31, issue 09, 1-13

Abstract: Aluminum alloy 6063 has excellent mechanical properties and it is used in automotive industries. This research focuses on solid particle airjet erosion behavior in different input parameters such as mass flow rate of 2, 3, and 4gm/min, impingement angle of 30∘, 60∘, and 90∘ and erodent velocity of 100, 150, and 200m/s. The alumina erodent is mixed with an airjet which acts as an impingement fluid jet. Taguchi was utilized for investigating the influence of the process parameter on erosion rate, and ANOVA was performed to evaluate the parameter contribution. The impingement velocity is the most significant parameter to reduce the erosion rate rather than the impingement angle and the mass flow rate. The increase in velocity of the impingement fluid jet accelerates the erosion rate due to the high kinetic energy impact. The desirability approach is used to optimize the input parameters. At 99% confidence levels, the models were considered significant. The importance of the factor is increased by a reduced p-value. From the overall analysis, the optimum conditions of solid particle airjet erosion are impingement angle of 90∘, erodent velocity of 100m/s and erodent flow rate of 2gm/min. Utilizing the cyclic sweep approach, corrosion behavior and NaCl solution are involved in the test of AA6063. As the corrosion current density increased, the corrosion potential became more positive.

Keywords: Airjet erosion; ANOVA; impingement angle; corrosion (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1142/S0218625X24500689

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