Influence of defects on the coalescence of helium in titanium: An atomistic simulation | Zendy

Min Chen | Zendy; Qing Hou | Zendy

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Influence of defects on the coalescence of helium in titanium: An atomistic simulation

Author(s) -

Min Chen,

Qing Hou

Publication year - 2010

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.59.1185

Subject(s) - vacancy defect , coalescence (physics) , cluster (spacecraft) , helium , materials science , atom (system on chip) , atomic physics , lattice (music) , molecular dynamics , condensed matter physics , physics , quantum mechanics , astrobiology , computer science , embedded system , programming language , acoustics

Molecular dynamics was employed to study the migration and coalescence of He atom and He dimmer in Ti lattice which contains He-vacancy cluster. The influence of the ratio of helium to vacancy He density of the cluster and the He number of the cluster on coalescence of He and He-vacancy cluster in Ti lattice is studied. It is found that anisotropic diffusion is independent of the He-vacancy cluster in Ti lattice. The coalescence of helium and He-vacancy cluster is mainly along the 001 direction. The coalescence of He dimmer and He-vacancy cluster is faster than the coalescence of He atom and He-vacancy cluster.

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