Hydrogen Grain Boundary Segregation and Migration in the Alpha-Iron
作者: V. G. Gavriljuk, S. M. Teus
作者单位: 1G.V. Kurdyumov Institute for Metal Physics, NAS of Ukraine, 36 Academician Vernadsky Blvd., UA-03680 Kyiv-142, Ukraine
刊名: Metallofiz. Noveishie Tekhnol., 2017, Vol.39 (4), pp.457-464
来源数据库: G.V. Kurdyumov Institute for Metal Physics, National Academy of Science of the Ukraine
DOI: 10.15407/mfint.39.04.0457
关键词: hydrogen diffusiongrain boundariesmolecular dynamics simulation.
原始语种摘要: Based on the difference in diffusion mechanisms of substitutional and interstitial atoms and using molecular dynamics simulation of hydrogen migration, it is shown that accelerated hydrogen flux in the polycrystalline iron observed during cathodic charging cannot originate from the enhanced hydrogen grain-boundary diffusion. A possible role of grain-boundary cracking is supposed.
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关键词翻译
关键词翻译
  • originate 发源
  • simulation 模拟
  • accelerated 加速的
  • charging 充电
  • substitutional 替代
  • hydrogen 
  • diffusion 扩散
  • boundary 边界
  • grain 颗粒
  • interstitial 间隙原子