Journal of Aeronautical Engineering

Journal of Aeronautical Engineering

Evaluation of plastic and elastic properties of magnesium plate in different rolling directions using correlation of digital images

Document Type : Original Article

Authors
1 Department of Mechanical Engineering, Khatmol Anbia Air Defense, Tehran, Iran
2 Department of Aerospace Engineering, MalekAshtar University of Technology, Tehran, Iran
3 Air Defence University
4 SAHA department
Abstract
The use of new materials with suitable mechanical and physical properties in aerial structures can be a good alternative to materials that are commonly used (aluminum alloys, composites, etc). The use of magnesium alloys for various applications and predicting their behavior in simulation software requires complete and accurate identification of the properties and mechanical parameters of the material. One of these identification procedures is digital image correlation method. In this research, the first magnesium plate is prepared in different directions of rolling and then using two-dimensional digital image correlation method, the complete distribution of strain field during uniaxial tensile test in different directions of rolling is extracted and finally strain in three directions of length, width, thickness and anisotropy coefficient in terms of effective strain were calculated. Furthermore, for the first time using the virtual field method, elastic and plastic constants such as modulus of elasticity, Poisson ratio, strength coefficient, strain hardening exponent and yield stress for magnesium sheet in different directions of rolling were calculated.
Keywords

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Volume 23, Issue 1
June 2021
Pages 56-72

  • Receive Date 03 September 2021
  • Revise Date 03 October 2021
  • Accept Date 30 October 2021