Grain boundary extraction
WebApr 15, 2024 · Grain boundaries determine physical properties of bulk materials including ductility, diffusivity, and electrical conductivity. However, the role of grain boundaries in … 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 ...
Grain boundary extraction
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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 … Webgrain (grān) n. 1. a. A small, dry, one-seeded fruit of a cereal grass, having the fruit and the seed walls united: a single grain of wheat; gleaned the grains from the ground one at a …
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 … 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 …
WebSep 11, 2024 · Understanding the coercivity mechanism has had a substantial impact on developing economically more attractive RE-based (RE = rare earth) permanent materials because of price volatility of key RE metals (i.e., Nd and Dy) in recent years. In this work, we investigated the microstructure and magnetic properties of melt-spun … 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 · Grain boundary engineering controlled by chemistry and thermomechanical processing (TMP) routes has been considered a key approach to improve the macroscopic mechanical properties of nanostructured metallic materials [1,2,3,4].Low-angle grain boundaries (LAGBs) with misorientation angles θ of less than 15° are known to form in …
Webgrain boundaries obtained by the algorithm proposed in this study are much more complete and accurate compared to those identified by other algorithms. 2. Development of the algorithm used for grain boundary extraction from metallographic images Unlike ordinary digital images, a metallographic image mainly depicts grains and grain boundaries; porthole on roadWebExperimental observation shows that the grain boundaries obtained by the proposed algorithm are highly complete and accurate. This research has practical value because … porthole players newport oregonWebThe existing algorithms used for grain bound- ary extraction have achieved ideal effects in certain metallographic images. This study presents a fast and accurate algorithm … optic historyWebThe 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 … porthole picturesWebprocessing program for grain boundary extraction, that is the former part of the whole program, with someexperimental results. 2. ImageProcessing Systemfor Grain Bound-ary Extraction There are manykinds of techniques for line pat-tern extraction from a gray image. In the field of line drawing processing, the algorithm by which dark porthole photosWebApr 13, 2024 · Liu et al. [21] demonstrated that low-energy straight grain boundaries can effectively reduce martensitic transformation barriers and stress concentration at grain boundaries, ... The sample produced through unidirectional solidification exhibited a columnar structure that was parallel to the heat extraction direction. This structure … porthole pngWebResearch on the Algorithm Used for Grain Boundary Extraction from Metallographic Images and Design of Intelligent Rating Software - CNKI. Knowledge Network Node. … porthole pompano