Thermal Characterization of Graphitized Carbon Nanotube-Reinforced Ti64 Nanocomposites Synthesized by Field-Assisted Sintering Technique for Fuselage and Wing Box Applications

Adewale Oladapo Adegbenjo, Mary Ajimegoh Awotunde, Tien Chien Jen, Johan Herman Potgieter

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

The Laser Flash technique was employed to study the thermal diffusivity of Ti6Al4V (Ti64) and multi-walled carbon nanotubes (MWCNTs)-reinforced Ti64 nanocomposites with varying weight percents of graphitized MWCNTs between 50 and 300 °C testing temperature boundaries. Generally, the addition of MWCNTs to Ti64 improved the thermal diffusivity characteristics of the developed nanocomposites over that of the unreinforced alloy. Comparatively, the 2 wt.% MWCNTs nanocomposites sintered at 1000 °C exhibited the best thermal diffusivity performance, offering values of 2.71 and 3.48 mm2/s, respectively, at 50 °C and 300 °C, as against 1.92 and 2.65 mm2/s recorded, respectively, for the unreinforced Ti6Al4V alloy samples also sintered and tested at the same temperatures as the nanocomposites. The predicted thermal conductivity responses of the developed nanocomposites as affected by the measured thermal diffusivities are also discussed, hoping to open new grounds for fuselage and wing box structural applications.

Original languageEnglish
Title of host publicationAdvanced Composites in Aerospace Engineering Applications
PublisherSpringer International Publishing
Pages263-279
Number of pages17
ISBN (Electronic)9783030881924
ISBN (Print)9783030881917
DOIs
Publication statusPublished - 1 Jan 2022

Keywords

  • Carbon nanotubes
  • Metal matrix nanocomposites
  • Reinforcement
  • Thermal diffusivity
  • Titanium

ASJC Scopus subject areas

  • General Engineering
  • General Materials Science
  • General Chemistry

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