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The Effect of Electroplasticity on CNTs/Al Under Different Heat Treatment Tempers

  • Beihang University
  • Beijing Institute of Technology
  • Ltd.

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The CNTs/Al is a promising lightweight high-strength composite in the aerospace industry. However, poor plasticity under room temperature limits its application. Eelectrically-assisted (EA) forming is expected to improve its plasticity by the Joule heating effect and athermal effect. In this study, the effect of electroplasticity on CNTs/Al with extrusion and T6 tempers is studied. It is found that for the specimen in extrusion temper, the flow stress under EA tensile condition is lower than that under warm tensile condition due to the promoted dislocation annihilation and dynamic recovery. For the specimen in T6 temper, the flow stress under EA tensile condition is larger than that under warm tensile condition, which is opposite to that in extrusion temper and is attributed to the formation of brittle phase Al4C3 and the evolution of grain and precipitate.

Original languageEnglish
Title of host publicationProceedings of the 14th International Conference on the Technology of Plasticity - Current Trends in the Technology of Plasticity - ICTP 2023 - Volume 3
EditorsKatia Mocellin, Pierre-Olivier Bouchard, Régis Bigot, Tudor Balan
PublisherSpringer Science and Business Media Deutschland GmbH
Pages777-783
Number of pages7
ISBN (Print)9783031413407
DOIs
StatePublished - 2024
Event14th International Conference on Technology of Plasticity, ICTP 2023 - Mandelieu-La Napoule, France
Duration: 24 Sep 202329 Sep 2023

Publication series

NameLecture Notes in Mechanical Engineering
ISSN (Print)2195-4356
ISSN (Electronic)2195-4364

Conference

Conference14th International Conference on Technology of Plasticity, ICTP 2023
Country/TerritoryFrance
CityMandelieu-La Napoule
Period24/09/2329/09/23

Keywords

  • CNTs/Al
  • Dislocation
  • Electrically-assisted forming

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