Zobrazeno 1 - 10
of 14 382
pro vyhledávání: '"GRAIN-BOUNDARY SEGREGATION"'
Autor:
Ganguly, Anumoy, Wang, Hexin, Guénolé, Julien, Prakash, Aruna, Korte-Kerzel, Sandra, Al-Samman, Talal, Xie, Zhuocheng
Mg alloys are promising lightweight structural materials due to their low density and excellent mechanical properties. However, their limited formability and ductility necessitate improvements in these properties, specifically through texture modific
Externí odkaz:
http://arxiv.org/abs/2407.14848
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 3029-3044 (2024)
Molecular dynamics simulations were carried out to investigate the tensile deformation behavior of Ni50Co50 solid solution nanocrystalline alloys with varying degrees of grain boundary segregation. A comprehensive analysis disclosed that the observed
Externí odkaz:
https://doaj.org/article/cc2ed561c0a144c7987806c0932b3f05
Autor:
Xie, Zhuocheng, Atila, Achraf, Guénolé, Julien, Korte-Kerzel, Sandra, Al-Samman, Talal, Kerzel, Ulrich
Grain boundary (GB) segregation in magnesium (Mg) substantially influences its mechanical properties and performance. Atomic-scale modelling, typically using ab-initio or semi-empirical approaches, has mainly focused on GB segregation at highly symme
Externí odkaz:
http://arxiv.org/abs/2407.14148
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 6328-6339 (2024)
Mg is easily segregated to the grain boundary of the Al–Mg alloy, which affects the mechanical properties of the alloy. In order to reveal the role of Mg element at grain boundaries in Al–Mg alloys, molecular dynamics simulation was used to study
Externí odkaz:
https://doaj.org/article/d02b2bf707b74c9087dddb06f2bc1fcd
Engineering structure of grain boundaries (GBs) by solute segregation is a promising strategy to tailor the properties of polycrystalline materials. Theoretically it has been suggested that solute segregation can trigger phase transitions at GBs offe
Externí odkaz:
http://arxiv.org/abs/2405.08193
Autor:
Zhang, Zuoyong, Deng, Chuang
Solute segregation along grain boundaries (GBs) profoundly affects their thermodynamic and kinetic behaviors in polycrystalline materials. Recently, the spectral approach has emerged as a powerful tool to predict GB segregation. However, previous GB
Externí odkaz:
http://arxiv.org/abs/2404.15513
The discovery of complex concentrated alloys has unveiled materials with diverse atomic environments, prompting the exploration of solute segregation beyond dilute alloys. Data-driven methods offer promising for modeling segregation in such chemicall
Externí odkaz:
http://arxiv.org/abs/2404.06499
Autor:
Luo, Jian
Grain boundary (GB) segregation models are derived for multi-principal element and high-entropy alloys (MPEAs and HEAs). Differing from classical models where one component is taken as solvent and others are considered solutes, these models are refer
Externí odkaz:
http://arxiv.org/abs/2403.01603
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