Study on the influence of aluminium nitride particulates on the dry sliding wear behavior and mechanical properties of aluminium 6061 alloy developed using stir casting method

  • Raghavendra Subramanya Department of Mechanical Engineering, Sai Vidya Institute of Technology, Bangalore 560064, India
  • Manjunatha Kuntanahalli Narayanappa Department of Mechanical Engineering, Sri Jagadguru Chandrashekaranatha Swamiji Institute of Technology, Chickballapura 562101, India
  • Nagesh Devareddy Department of Aeronautical Engineering, Sri Jagadguru Chandrashekaranatha Swamiji Institute of Technology, Chikaballpura 562101, India
  • Madusudhana Shettykothanuru Vemanna Department of Aerospace Engineering, Sri Jagadguru Chandrashekaranatha Swamiji Institute of Technology, Chikaballpura 562101, India
  • Ravikumar Mukundaiah Department of Mechanical Engineering, B.M.S College of Engineering, Bangalore 560019, India
  • Chandra Shekar Anjinappa Department of Robotics and Artificial Intelligence Engineering, Bangalore Institute of Technology, Bangalore 560004, India
  • Thyagaraj Narasapura Rajanna Department of Mechanical Engineering, Sri Jagadguru Chandrashekaranatha Swamiji Institute of Technology, Chickballapura 562101, India
  • Arun Kumar Rudrappa Department of Mathematics, Sai Vidya Institute of Technology, Bangalore 560064, India
Article ID: 1813
3954 Views, 2013 PDF Downloads
Keywords: aluminium nitride; stir casting; wear analysis; tensile; flexural

Abstract

Aluminium matrix composites (AMCs) reinforced with hard ceramic particles is currently being widely used as a composite material for a range of industrial and technical applications. In the current study, melt stirring was employed to incorporate Aluminium nitride (AlN) particulates into the aluminium 6061 alloy. In this study AlN particles in different proportions 2%, 4%, 6%, and 8% wt were used with Al6061 alloy. Scanning electron microscopy (SEM) and x-ray diffraction were used to characterise the stir cast composites and the base alloy. SEM analysis confirmed the uniform distribution of AlN particles within the Al matrix. The impact of AlN concentrations on the mechanical properties of Al6061 matrix composites was investigated. Pin on disc machines were utilised to examine the dry sliding wear properties of the composites that were manufactured. The presence of very hard AlN elements in the Al6061 matrix alloy significantly improved the mechanical and wear characteristics of the AMCs. As compared to the Al6061 base alloy, the test results showed that the Al6061 with 8% weight percentage AlN composites had better wear resistance and hardness yield strength and the alloy with 2% AlN showed highest tensile strength of 368 MPa. The good interfacial adhesion between fillers and matrix prevents cracking and allows for effective load transmission to the reinforcing phase. This is mainly because AlN is a highly strong and stiff material, and its incorporation gives strong reinforcement as well as increased tensile, flexural, and hardness strength to the composite. This enhancement in mechanical properties suggests potential applications in high-wear industries such as automotive and aerospace.

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Published
2024-11-22
How to Cite
Subramanya, R., Kuntanahalli Narayanappa, M., Devareddy, N., Shettykothanuru Vemanna, M., Mukundaiah, R., Anjinappa, C. S., Narasapura Rajanna, T., & Rudrappa, A. K. (2024). Study on the influence of aluminium nitride particulates on the dry sliding wear behavior and mechanical properties of aluminium 6061 alloy developed using stir casting method. Materials Technology Reports, 2(2), 1813. https://doi.org/10.59400/mtr1813
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