Elsevier

Scripta Metallurgica

Volume 19, Issue 4, April 1985, Pages 481-484
Scripta Metallurgica

Point defect annihilation at grain boundaries in gold

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  • Radiation instability of equal channel angular extruded T91 at ultra-high damage levels

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    Alloy processing by ECAE results in a large increase in dislocation and grain boundary density. Grain boundaries are efficient sinks for interstitials, vacancies, and gas atoms, and have been shown to effectively suppress swelling in some studies [16,17]. A previous low damage level study of T91 refined by ECAE has shown the processed material to possess superior radiation resistance compared to an unrefined T91 specimen [18].

  • Point defect sink efficiency of low-angle tilt grain boundaries

    2017, Journal of the Mechanics and Physics of Solids
  • Energetics of point defect interacting with bi-crystal Σ3 copper grain boundaries

    2016, Computational Materials Science
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    To evaluate the point defect sink strength of GBs, much efforts have been invested into GBs of different materials, such as Cu [5,16–18], W [19], Fe [19,20], Au [4,21] and MgO [22], etc. The sink efficiency of a GB is usually characterized by the defect-free zone (DFZ) width existing on both sides of GB [1,4,5,23,24]. Experiments have revealed that DFZ width is generally dependent on no only the GB character such as misorientation angle and GB planes [5], but also some other information pertaining to GB type such as low angle vs high angle [1,4], Σ value [4,5], etc.

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Permanent address: University of Mining and Metallurgy, Krakow (Poland)

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