Advances in nano research

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Effectiveness of SWNT in reducing the crack effect on the dynamic behavior of aluminium alloy

  • Selmi, Abdellatif (Department of Civil Engineering, College of Engineeriwng in Al-Kharj, Prince Sattam bin Abdulaziz University)
  • Received : 2019.04.15
  • Accepted : 2019.08.07
  • Published : 2019.09.25
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Abstract

This paper investigates the effectiveness of Single Walled Carbon Nanotubes, SWNT, in improving the dynamic behavior of cracked Aluminium alloy, Al-alloy, beams by using a method based on changes in modal strain energy. Mechanical properties of composite materials are estimated by the Eshelby-Mori-Tanaka method. The influence of SWNT volume fraction, SWNT aspect ratio, crack depth and crack location on the natural frequencies of the damaged 3D randomly oriented SWNT reinforced Al-alloy beams are examined. Results demonstrate the significant advantages of SWNT in reducing the effect of cracks on the natural frequencies of Al-alloy beams.

Keywords

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