Study on deformation of polycrystalline aluminum alloy using moiré interferometry

Z. Guo, H. Xie*, B. Liu, F. Dai, P. Chen, Q. Zhang, F. Huang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Polycrystalline aluminum alloy is manufactured by annealing, compared to the width of the specimen, the size of the grains can not be omitted, which makes the specimen anisotropic. Under uniaxial tension, the deformation field is inhomogeneous. In this study, moiré interferometry is successfully applied to measure the deformation of the polycrystalline specimen. The experimental results presented the stress versus strain responses of the marked grains in different orientations and different shapes. By using fringe centering method, the strain distributions under certain load in the centers and on the boundaries of the grains are analyzed.

Original languageEnglish
Pages (from-to)699-711
Number of pages13
JournalExperimental Mechanics
Volume46
Issue number6
DOIs
Publication statusPublished - Dec 2006

Keywords

  • Grain boundary
  • In-plane deformation
  • Moiré interferometry
  • Polycrystalline aluminum alloy
  • Strain

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