Grain boundary energy anisotropy: a review
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 … WebFeb 25, 2024 · Two data evaluation concepts for X-ray stress analysis based on energy-dispersive diffraction on polycrystalline materials with cubic crystal structure, almost random crystallographic texture and strong single-crystal elastic anisotropy are subjected to comparative assessment. . The aim is the study of the residual stress state in hard-to …
Grain boundary energy anisotropy: a review
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http://neon.materials.cmu.edu/rohrer/papers/2011_08.pdf WebApr 1, 2004 · Here, grain boundary migration is modeled using a multiphase field model based on the principle of minimum dissipation potential with nonconvex boundary energy, along with a stochastic model for ...
WebMay 29, 2024 · Grain boundary (GB) segregation has a substantial effect on the microstructure evolution and properties of polycrystalline alloys. The mechanism of … 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 …
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, … 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 …
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 …
Web2 days ago · The grain boundary hindered dislocation movement, and the dislocation was accumulated at the grain boundary, hindering the grain boundary growth, which had the effect of grain refinement. Observe in Fig. 13 that the stacking of dislocations was wound into dislocation walls, which could further develop into sub-grain boundaries and form … small cakes baton rouge highland roadWebJun 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 … smallcakes broomfieldWebDec 1, 2024 · Recently, Shahnooshi et al. investigated the effect of anisotropic grain boundary energy on the kinetics of stressed grain growth by a 2D phase field model. … someone who is boldWebMay 19, 2008 · Successful applications of segregation isotherms based on standard thermodynamic state functions of segregation are demonstrated for three examples: anisotropy of grain boundary segregation and its … someone who is competitivehttp://neon.materials.cmu.edu/rohrer/papers/2011_08.pdf smallcakes broad rippleWebMar 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 ... smallcakes bryant arWebJan 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 … someone who is cold