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<p>The aim of this work is to vary the quantity of structural defects created in glass to study their effects on its leaching behavior. ISG1 glass samples were irradiated with multi-energy Au ions (0.5 to 7 MeV) to simulate the damage caused by alpha decay recoil nuclei, up to a minimum absorbed nuclear dose of 40 MGy. They were then annealed at temperatures ranging from 100 to 600&#xa0;°C to allow a homogenous recovery of defects. Characterizations using Vickers hardness and optical interferometry (step height-swelling) were then performed to study the thermal recovery effects. This revealed a temperature shift between variations in hardness and density which suggests that these two properties are not entirely linked to the same structural defects which are not annealed at the same temperature.</p> Graphical abstract <p></p>

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Effect of thermal treatment on the hardness and density of ISG glass irradiated with Au ions

  • 期刊论文

  • 发表日期：

    2026年2月12日

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  • Morgane Richet,
  • Mélanie Taron,
  • Hélène Aréna,
  • Sarah Mougnaud,
  • Sylvain Peuget,
  • Pierre Frugier,
  • Lionel Campayo

摘要

The aim of this work is to vary the quantity of structural defects created in glass to study their effects on its leaching behavior. ISG1 glass samples were irradiated with multi-energy Au ions (0.5 to 7 MeV) to simulate the damage caused by alpha decay recoil nuclei, up to a minimum absorbed nuclear dose of 40 MGy. They were then annealed at temperatures ranging from 100 to 600 °C to allow a homogenous recovery of defects. Characterizations using Vickers hardness and optical interferometry (step height-swelling) were then performed to study the thermal recovery effects. This revealed a temperature shift between variations in hardness and density which suggests that these two properties are not entirely linked to the same structural defects which are not annealed at the same temperature.

Graphical abstract