Grain boundary energy anisotropy: a review
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 boundary character. However, the role of grain boundary networks on overall growth kinetics remains poorly understood. ... Physical Review, Vol. 78, Issue 3; DOI: … WebGrain boundary energy anisotropy: a review Gregory S. Rohrer Received: 29 April 2011 / Accepted: 30 May 2011 / Published online: 10 June 2011 Ó Springer Science+Business Media, LLC 2011 Abstract This paper reviews findings on the anisotropy of the grain boundary energies. After introducing the basic concepts, there is a discussion of ...
Grain boundary energy anisotropy: a review
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WebMay 19, 2008 · Successful applications of segregation isotherms based on standard thermodynamic state functions of segregation are demonstrated for three examples: … WebJun 10, 2011 · Grain boundary energy anisotropy: a review. This paper reviews findings on the anisotropy of the grain boundary energies. After introducing the basic …
http://mimp.materials.cmu.edu/rohrer/papers/2005_07.pdf 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 …
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 … WebThe 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 …
WebApr 13, 2024 · Natural rocks usually are obviously heterogeneous, such as granite, gneiss and amygdaloidal basalt. Grain-scale heterogeneity of rocks is a combination of several types of heterogeneity, including geometric heterogeneity resulting from grain shape; material heterogeneity resulting from the mismatch of different grains; and contact …
WebSep 1, 2011 · Grain boundaries (GBs) are one of the most commonly seen planar defects in polycrystalline metals and alloys. Due to local atomic distortions and inconsistent … hilb rogal \u0026 hobbs companyWebJan 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 … smallpox last victimWeb2 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 … hilb rogal \u0026 hobbs insuranceWebJun 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 … smallpox italyWebFeb 15, 2014 · To the extent that the proposed energy function is indeed universal for fcc metals, one needs to measure or compute just two GB energies, e.g. that of the Σ3 coherent twin boundary and one of the high-energy random boundaries, to fully define the GB energy anisotropy for a given fcc material in the entire 5-space. hilb storefrontWebJan 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] hilb rogal hobbs companyWebDec 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. … hilb rogal hamilton