Interaction of hydrogen with dislocations in tungsten: An atomistic study

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Abstract

Interaction of hydrogen with dislocations studied by means of classical molecular dynamics simulations. Two types of interatomiic potentials were tested and vallidated by comparing with ab initio data. Strong attraction of H to screw and edge dislocation was demonstrated. Dymaic calulcations at finite temperature showed one dimentional migration of H atoms along the dislocation core.

Details

Original languageEnglish
Pages (from-to)364-372
Number of pages8
JournalJournal of Nuclear Materials
Volume465
DOIs
StatePublished - 12 Jun 2015

Keywords

  • hydrogen, fusion, dislocations , tungsten , embrittlement

ID: 218746