Grain boundary extraction

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August undefined, 2024

WebApr 11, 2024 · Microstructural characteristics, including grain boundary (GB) type, grain size, defects, and various impurities among others, have important impacts on the mechanical properties of solid metals. ... Snapshots for dislocation extraction algorithm of Ni–Cr alloys with different Cr solution concentrations with segregation under the shock … WebThe existing algorithms used for grain bound- ary extraction have achieved ideal effects in certain metallographic images. This study presents a fast and accurate algorithm …

Extraction of Grain Boundary Energies from Triple Junction …

WebMeasurement of the geometry of triple junctions between grain boundaries in polycrystalline materials is used to generate large sets of dihedral angles from which … WebJun 20, 2016 · The grain boundary healing process was found to improve the photovoltaic performance, and was especially beneficial to the voltage and fill factor, eventually … high specific gravity causes

Grain boundary extraction method based on pixel relationship

WebOct 9, 2007 · Based on a Mumford–Shah type functional, grain boundaries are described as free discontinuity sets at which the orientation parameter for the lattice jumps. The lattice structure itself is encoded in a suitable integrand depending on a local lattice orientation and one global elastic displacement. ... Grain boundary extraction; Phase field ... WebApr 1, 2002 · An extraction technique of trap density at grain boundaries (Dgb) in polycrystalline-silicon thin-film transistors with two-dimensional (2D) device simulation has been developed. WebApr 15, 2024 · Grain boundaries determine physical properties of bulk materials including ductility, diffusivity, and electrical conductivity. However, the role of grain boundaries in … high specific gravity in 3 year old

Grain Boundary Detection and Phase Segmentation of …

Self-formed grain boundary healing layer for highly efficient

WebMeasurement of the geometry of triple junctions between grain boundaries in polycrystalline materials is used to generate large sets of dihedral angles from which maps of the grain boundary energy are extracted. A preliminary analysis has been performed for samples of magnesia and aluminum based on a three-parameter description of grain … WebOct 8, 2024 · Figure 1 presents the Σ5 (310) grain boundary model in face-centered cubic Cu, where the numbers 1, 2, 3, and 4 denote for the four different substitutional sites at the interface 23 ab-initio ... how many days has it been since march 15 2021WebThe influence of different processing routes and grain size distributions on the character of the grain boundaries in Li7La3Zr2O12 (LLZO) and the potential influence on failure through formation of percolating lithium metal networks in the solid electrolyte are investigated. Therefore, high quality hot-pressed Li7La3Zr2O12 pellets are synthesised with two … how many days has it been since march 30

"WebThe advantages of the detection software grain boundaries are: Standalone software can be used from any Windows PC. Solves the problem non-trivial detection prior to any extent ASTM. No learning curve … " - Grain boundary extraction

Grain boundary extraction

Grain Boundary - an overview ScienceDirect Topics

WebAug 1, 2024 · A grain boundary extraction method based on pixel relationship is proposed to solve the problems of grain boundary fracture and pseudo-grain boundary. Under the influence of light and sampling ... WebApr 13, 2024 · Based on the phenomenon of grain boundary blurring or disconnection in metallographic images, this study develops an algorithm based on regional separation for automatically extracting grain boundaries by an improved mean shift method. ... This research has practical value because the proposed algorithm is suitable for grain …

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WebNov 26, 2024 · The mechanical properties of high-entropy alloys are superior to those of traditional alloys. However, the key problem of finding a strengthening mechanism is still challenging. In this work, the molecular dynamics method is used to calculate the tensile properties of face-centered cubic Al0.1CoCrFeNi high-entropy alloys containing … WebThe grain boundary is not an ideal atom source with no energy barrier for operation, but a source needing a critical driving force that varies with the nature of the boundary and …

WebMay 1, 2012 · Highlights Grain boundary detection in deformed rocks used GIS-based cellular automata. Automated extraction used Moore's neighborhood-based rules for edge detection. Different iteration outputs were tested by changing transition rules. Model was tested with deformed quartz arenite and quartz wacke. Quantitative evaluation compared … WebThe grain microstructure evolution in the course of two dimensional (2D) grain growth is considered in greater detail, taking into account the influence of grain boundary triple junctions.

WebApr 15, 2024 · Grain boundaries determine physical properties of bulk materials including ductility, diffusivity, and electrical conductivity. However, the role of grain boundaries in nanostructures and nanoparticles is much less understood, despite the wide application of nanoparticles in nanophotonics, nanoelectronics, and heterogeneous catalysis. Here, we … WebAug 1, 2024 · DOI: 10.1016/j.measurement.2024.111796 Corpus ID: 251828838; Grain boundary extraction method based on pixel relationship @article{HanWang2024GrainBE, title={Grain boundary extraction method based on pixel relationship}, author={Yu Han Wang and Qing He and Zhi Xie}, journal={Measurement}, year={2024} }

WebMar 16, 2024 · Grain boundary extraction aims to extract the grain boundaries. For example, in Xu et al.'s paper [30], an improved mean shift method is presented for …

WebExperimental observation shows that the grain boundaries obtained by the proposed algorithm are highly complete and accurate. This research has practical value because … how many days has it been since march 30 2021WebDec 11, 2024 · Learning grain boundary segregation energy spectra in polycrystals. Malik Wagih, Peter M. Larsen &. Christopher A. Schuh. Nature Communications 11, Article number: 6376 ( 2024 ) Cite this article ... high specific gravity materialsWebNov 30, 2024 · Special Issue Information. Dear Colleagues, Grain boundary segregation is a phenomenon of increasing importance, mainly in connection with stabilization of nanocrystalline structures. Simultaneously, the interest in grain boundary segregation is accelerated by the development of the methods of theoretical calculations and their … how many days has it been since march 31 2021WebJul 23, 2024 · Grain boundaries (GBs) are a kind of lattice imperfection widely existing in two-dimensional materials, playing a critical role in materials’ properties and device performance. Related key issues in this … how many days has it been since june 27thWebMay 22, 2016 · We investigate the mechanisms of incipient plasticity at low angle twist and asymmetric tilt boundaries in fcc metals. To observe plasticity of grain boundaries independently of the bulk plasticity, we simulate nanoindentation of bicrystals. On the low angle twist boundaries, the intrinsic grain boundary (GB) dislocation network deforms … how many days has it been since march 11 2022WebJun 20, 2016 · This grain boundary healing process was found to play a crucial role in carrier lifetime improvement, suppression of non-radiative recombination at grain boundaries, and effective extraction of ... high spec games for pcWebAbstract： Industrial manufacture is an important part of national economy,and steel is one of the most popular materials in industrial manufacture.Many steels have greatly reduced their operational life span because their internal structure has changed under severe service-environments.In order to ensure the normal operation of equipment and ... how many days has it been since may 10th 2022