Crystals (Jul 2021)

Microstructure Evaluation Study of Al5083 Alloy Using EBSD Technique after Processing with Different ECAP Processes and Temperatures

  • Muneer Baig,
  • Asiful H. Seikh,
  • Ateekh Ur Rehman,
  • Jabair A. Mohammed,
  • Faraz Hussain Hashmi,
  • Sameh Mohamed Ragab

DOI
https://doi.org/10.3390/cryst11080862
Journal volume & issue
Vol. 11, no. 8
p. 862

Abstract

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The temperature effects on the microstructural evolution of a coarse-grained Al5083 alloy during equal channel angular pressing (ECAP), were studied at ambient and high temperatures. The microstructural evaluation was done using an EBSD (electron backscattering diffraction) process. The grain refinement occurred as the number of passes increased, which had a positive effect on its strength. Additionally, increasing the pressing temperature leads to a decrease in the new grain’s formation and an increase in the normal grain size in the third pass. This can be ascribed to the unwinding of strain similarity between the grains because of the continuous activity of dynamic recuperation and the grain limit sliding occurring at a higher temperature. The attainment of grain refinement is examined exhaustively in this study.

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