[CCoE Notice] Master's Defense Announcement- Shahmeer Baweja

[Knudsen, Rachel W]

Master’s Thesis. Mechanical Engineering.

Name: Shahmeer Baweja

Defense Date and Time: May 3, 2019 @ 10 am

Committee Members:

  *   Dr. Shailendra P. Joshi
  *   Dr. Theocharis Baxevanis
  *   Dr. Praveen Bollini

Location: ME Small Conference Room

Title

STATISTICAL ANALYSIS OF HCP POLYCRYSTAL USING CRYSTAL PLASTICITY MODELING AND SIMULATION

Abstract

Three-dimensional crystal plasticity finite element modeling and simulation of polycrystalline magnesium  (Mg) alloys is performed. The focus of this work is on extracting the relation between the initial texture and the mechanical behavior of a polycrystalline Mg microstructure  under uniaxial loading, particularly along principal directions of a rolled material - rolling (L), in-plane transverse to rolling (T), out-of-plane transverse (S) to L and T. Starting with an initial rolled texture of an Mg alloy as a basis, the effect of deviations in the initial texture on the macroscopic and microscopic characteristics. Quantitative analysis of the deviations in the overall stress-strain behaviors, activities of the slip and twinning mechanisms, and textural evolution is quantified.

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