INFLUENCES OF BORON CARBIDE PARTICLES ON THE WEAR RATE AND TENSILE STRENGTH OF AA2014 SURFACE COMPOSITE FABRICATED BY FRICTION-STIR PROCESSING

  • Sampath Boopathi Department of Mechanical Engineering, Muthayammal Engineering College, Namakkal, Tamil Nadu, India, 637 408
  • V. Hari Balaji Department of Mechanical Engineering, Narasu’s Sarathy Institute of Technology, Salem, Tamil Nadu, India, 636 305
  • M. Mageswari Department of Civil Engineering, Panimalar Engineering College, Chennai, Tamil Nadu, India, 600123
  • M. Mohammed Asif Department of Mechanical Engineering, Vignan’s Lara Institute of Technology and Science, Guntur, Andra Pradesh, India, 522213
Keywords: boran carbide, microstructure, tensile strength, wear characteristics

Abstract

In this article, a boron carbide particle (B4C) reinforced AA2014 surface composite was first fabricated by friction-stir processing (FSP) to investigate the impact of the volume percentage of B4C, tool rotational speed and table speed on the tensile strength (TS) and wear rate (WR). The AA2014 composite is one of the important candidates for making defense and aerospace components due to its high strength and minimum weight. Taguchi orthogonal array was employed to design and predict the maximum tensile strength and minimum wear rate. The volume percentage of B4C is the most momentous parameter for both the tensile strength and wear rate. The optimum parameter settings for attaining the maximum tensile strength of 605 MPa and a minimum wear rate of 1.2 mm3/Nm are a B4C volume of 15 %, tool rotational speed of 900 min–1 and table speed of 60 mm/min. The optimum process-parameter settings were used to make a specimen for validating the estimated results. The microstructure and chemical composition of the surface composite of the optimum specimen were illustrated using scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS), respectively. The surface profile and microscopic view of the worn-out surface composite were also examined using SEM images.

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Published
2022-06-03
How to Cite
1.
Boopathi S, Hari BalajiV, Mageswari M, AsifMM. INFLUENCES OF BORON CARBIDE PARTICLES ON THE WEAR RATE AND TENSILE STRENGTH OF AA2014 SURFACE COMPOSITE FABRICATED BY FRICTION-STIR PROCESSING. MatTech [Internet]. 2022Jun.3 [cited 2024Feb.24];56(3):263–270. Available from: https://mater-tehnol.si/index.php/MatTech/article/view/409