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Grain boundary energy anisotropy: a review

WebDec 1, 2024 · A three-dimensional (3D) multiple phase field model, which takes into account the grain boundary (GB) energy anisotropy caused by texture, is established based on real grain orientations and Read–Shockley model. The model is applied to the grain growth process of polycrystalline Mg (ZK60) alloy to investigate the evolution characteristics in ... WebJun 1, 2000 · We study the dynamics and morphology of grain growth with anisotropic energy and mobility of grain boundaries using a generalized phase-field model. In contrast to previous studies, both inclination and misorientation of the boundaries are considered. The model is first validated against exact analytical solutions for the classical problem of …

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WebOct 29, 2015 · In contrast, a change of the grain boundary energy would lead to a change in topology and driving force; accordingly, the grain boundary energy anisotropy is suggested to dominate microstructure evolution . However, in this case bimodal grain growth can occur, if a critical number of sides are of the fast type . Accordingly, the … WebMy Research and Language Selection Sign into My Research Create My Research Account English; Help and support. Support Center Find answers to questions about products, … green and gray bathroom ideas https://pltconstruction.com

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WebMar 14, 2024 · The ideal shear strength (ISS) is a rational physical quantity for quantifying the CRSS required for the activation of slip systems without disturbances from crystal defects such as vacancies and grain boundaries . In light of this, this study investigated the impact of hydrogen on the activation anisotropy of typical slip systems in Mg and α ... WebJan 25, 2024 · The grain boundary energy anisotropy has a significant impact on the spatially dependent details of the microstructure. ... Grain boundary energy anisotropy: A review. J. Mater. Sci., 46 (18) (2011), pp. 5881-5895, 10.1007/s10853-011-5677-3. View in Scopus Google Scholar [9] WebApr 9, 2024 · The review ends with some questions to be addressed by future research and a summary of what is known about grain boundary energy anisotropy. View Show abstract green and gray decor

Grain boundary energy function for fcc metals - ScienceDirect

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Grain boundary energy anisotropy: a review

Grain Boundary Migration in Polycrystals Annual Review of …

WebSep 1, 2011 · The review concludes with a prospectus for future studies of grain boundary energy anisotropy and a summary. Grain boundaries are defects that have an excess free energy per unit area. This is evident by the fact that during most thermal and … Metrics - Grain boundary energy anisotropy: a review SpringerLink WebGrain boundary complexion transitions can lead to rapid changes in the macroscopic properties of polycrystalline metals and ceramics and are responsible for a variety of …

Grain boundary energy anisotropy: a review

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WebIn this paper, the corrosion resistance and mechanical properties of the 7075 aluminum alloy are studied. The alloy was deformed by hydrostatic extrusion and then aged both naturally and artificially. Results are compared with those of coarse-grained material subjected to T6 heat treatment. The aim of the research is to find the optimal correlation between the … WebJun 10, 2011 · Grain boundary energy anisotropy: a review After introducing the basic concepts, there is a discussion of fundamental models used to understand and predict …

WebFeb 14, 2024 · The surface energy of the grain boundaries is the driving force for grain growth . Though often called grain growth, the term grain coarsening is also widely … WebExperimental methods for measuring the grain boundary energy anisotropy, all of which involve application of the Herring equation, are then briefly described. The next section …

WebJan 21, 2024 · Ti-3Al-2.5V alloy was usually the α phase of HCP structure at room temperature which had obvious anisotropy. During tube rolling, α grain would be influenced by stress-strain state, deformation amount, ‘Q’ ratio to result the preferred orientation and formed texture. In order to obtain radial texture tube by rolling and improve the service … WebOct 1, 2024 · Current grain growth models have evolved to account for the relationship between grain boundary energy/mobility anisotropy and the five degrees of grain …

WebThe grain-boundary energies of individual boundaries have been determined by the analysis of the shapes of grain-boundary grooves. The effects of surface-energy anisotropy are fully taken into account. The results indicate that only boundaries associated with high-coincidence orientations (∑3 and ∑11) have significantly lower …

WebApr 13, 2024 · The interaction of martensite variants, during the progress of martensitic transformation, with grain boundaries (crystalline defect) causes a local increase in elastic energy [33]. The PS sample exhibits a higher value of stored elastic energy, which leads to a reduction in the enthalpy of the transformation measured by DSC for both direct and ... green and gray digital camoWebMar 1, 2024 · Describing microstructure evolution in tungsten requires a quantitative description of the anisotropic grain boundary energy. We present a grain boundary … green and gray christmas decorhttp://neon.materials.cmu.edu/rohrer/papers/2011_08.pdf flower pots with plantsWebThis article reviews published data on the mechanical properties of additively manufactured metallic materials. The additive manufacturing techniques utilized to generate samples … flower pots with vertical arrangementhttp://neon.materials.cmu.edu/rohrer/papers/2011_08.pdf green and gray houseWebJun 10, 2011 · Grain boundary energy anisotropy: a review. This paper reviews findings on the anisotropy of the grain boundary energies. After introducing the basic … green and gray family room ideasWebKeywords: Grain growth; Grain boundaries; Grain boundary energy; Grain boundary mobility; Anisotropy. Version 12/14/04, submitted to Scripta Mater. Introduction The distribution of grain boundary types in a polycrystalline material has been shown to affect its bulk properties, e.g. corrosion resistance [1]. flower pot tapas