Grain boundary extraction
WebAug 1, 2024 · We apply the minimum-CV criterion to the extraction of grain boundary curvatures from a measurement of polycrystalline Al-5 wt% Cu performed by 3D x-ray diffraction (3DXRD) microscopy. The results show that grain boundaries in this sample are surprisingly flat. Moreover, boundaries of larger area manifest lower curvature, while … WebNov 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 …
Grain boundary extraction
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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 … WebJun 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 ...
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 … WebBecause the atomic packing at grain boundaries is less dense than in the perfect crystal, grain boundaries are associated with a free or excess volume which depends on the crystallography of the boundary (§4.4.3). This leads to a strong interaction with solute atoms and to the formation of a solute atmosphere which, at low boundary velocities,
WebSep 23, 2024 · A suite of 37 molecular dynamics simulations is conducted at two system sizes to systematically characterize the role of grain boundary (GB) misorientation on spall strength in pure BCC tantalum (Ta). The systems studied consist of bicrystals with a single [110] symmetric tilt grain boundary. Two loading conditions are compared: (i) … 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 …
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;
WebResearch on the Algorithm Used for Grain Boundary Extraction from Metallographic Images and Design of Intelligent Rating Software - CNKI. Knowledge Network Node. … tenis adidas yeezy kanye westWebThe existing algorithms used for grain bound- ary extraction have achieved ideal effects in certain metallographic images. This study presents a fast and accurate algorithm … tenis adidas yung 1WebApr 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 … tenis adidas yu gi ohWebThe 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 … tenis adidas yungWebFig. 4.1. A grain boundary between two crystals misoriented by an angle about an axis normal to the page. 92 Recrystallization. experimentally (§A2.6.3), and in many cases, we neglect it and consider only the three parameters which define the orientation between the two grains adjacent to a boundary. tenis adidas yung 96WebExperimental observation shows that the grain boundaries obtained by the proposed algorithm are highly complete and accurate. This research has practical value because … tênis adidas yung 1WebAug 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} } tenis adidas yu gi oh preto