Numerical Analysis of the Anisotropic Stiffness of a Thin Aluminium Foil in Multiple Material directions Based on Experiments

Wureguli Reheman, Per Ståhle, Eskil Andreasson, Sharon Kao-Walter

Forskningsoutput: Kapitel i bok/rapport/Conference proceedingKonferenspaper i proceedingPeer review

Sammanfattning

Numerical analysis have been performed on tensile test experiment data to evaluated the performances of a 9 microns thick aluminium foil. The identification of the anisotropic material properties is based on tensile tests performed in 11 di↵erent angles from 0 to 90 from the rolling direction. By least square fitting and extrapolation to zero load the elastic modulus is, as opposed to the general belief, proven to be very close to the expected bulk values for this specific material. The elastic modulus is shown to be anisotropic with a sti↵ness variation of aound 15%. Minimum stiffness is obtained in around 45 from the rolling direction.
Originalspråkengelska
Titel på värdpublikationProceedings of NSCM 30
Undertitel på värdpublikationThe 30th Nordic Seminar on Computational Mechanics 25-27 October 2017
Sidor175-179
Antal sidor4
StatusPublished - 2017
EvenemangNordic Conference on Computational Mechanics - Copenhagen, Danmark
Varaktighet: 2017 okt. 252017 okt. 27
Konferensnummer: 30

Konferens

KonferensNordic Conference on Computational Mechanics
Förkortad titelNCM30
Land/TerritoriumDanmark
OrtCopenhagen
Period2017/10/252017/10/27

Ämnesklassifikation (UKÄ)

  • Fysik
  • Matematik
  • Metallurgi och metalliska material

Nyckelord

  • Phase-field modelling
  • precipitation
  • Fracture
  • mechano-chemical
  • Thin foil
  • Aluminium Alloy
  • Anisotropy
  • Symmetry-plane
  • Young's modulus

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