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VGU RESEARCH REPOSITORY


Please use this identifier to cite or link to this item: https://epub.vgu.edu.vn/handle/dlibvgu/1637
Title: Application of thermodynamic dislocation theory to BCC-Crystals
Authors: Sa Ly Dang 
Keywords: Thermodynamic dislocation theory;BCC-crystals
Issue Date: 2022
Abstract: 
Thermomechanical response of materials may now be accurately described as a result of significant advancements in theoretical approaches and models, as well as numerical simulations over the last two decades. Our work presents the theory of dislocation-mediated plasticity which is originally presented by Langer, Bouchbinder, and Lookman (2010) and its modified version called thermodynamic dislocation theory . We demonstrate that the theory can match the stress-strain curves of body-centered cubic crystals niobium, tantalum, tungsten, and vanadium over a wide range of temperatures and strain rates by employing a restricted set of physics-based material parameters that are found by the large scale least squares analysis.
URI(1): https://epub.vgu.edu.vn/handle/dlibvgu/1637
Rights: Attribution-NonCommercial 4.0 International
Appears in Collections:Computational Engineering (CompEng)

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