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Abstract

Boron nitride (BN) reinforced Al6061 aluminum-based composites are synthesized by conventional stir casting method followed by exposure to hot extrusion. The optical images confirmed the distribution of BN nanoparticles in the aluminum alloy matrix. The concentration of BN is varied from (0.5, 1.5, 3, 4.5, 6, 7.5, and 9 wt%) in the composites and its effect on the tensile strength was investigated. The results revealed that both extruded and heat-treated composites specimens showed enhanced toughness and tensile strength by increasing BN nanoparticle concentration. The heat-treated composite samples showed lower flexibility of up to 40%, and further, it exhibited 37% greater hardness and 32% enhancement in tensile strength over the extruded sample. The tensile properties of Al6061-BN composites were evaluated by temperature-dependent internal friction (TDIF) analysis and the results showed that the as-prepared composite's strength increased with temperature.
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Authors and Affiliations

Y.B. Mukesh
1
Prem Kumar Naik
2
Raghavendra Rao R
3
N.R. Vishwanatha
4
N.S. Prema
5
H.N. Girish
6
Naik L. Laxmana
3
Puttaswamy Madhusudan
7 8
ORCID: ORCID

  1. Department of Mechanical Engineering, Chaitanya Bharathi Institute of Technology, Proddatur, Andhra Pradesh, India
  2. Department of Mechanical Engineering, AMC Engineering College, Bengaluru, India
  3. Department of Mechanical Engineering, Malnad College of Engineering, Hassan, India
  4. Department of Mechanical Engineering, Navkis College of Engineering, Hassan, India
  5. Department of Information Science and Engineering, Vidyavardhaka College of Engineering, Mysore, India
  6. Department of Studies in Earth Science, University of Mysore, 570006, India
  7. Environmental Engineering and Management Research Group, Ton Duc Thang University, Ho Chi Minh City 758307, Vietnam
  8. Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City 758307, Vietnam

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