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April 1, 2026Journal of the European Ceramic SocietyOpen Access

Hot isostatically pressed glass-ceramics for the immobilisation of sulphate‑bearing nuclear wastes

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Authors

RFRifat FarzanaAustralian Nuclear Science and Technology OrganisationPDPranesh DayalAustralian Nuclear Science and Technology OrganisationRARobert D. AughtersonAustralian Nuclear Science and Technology Organisation

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Overview

Demonstrates improved chemical durability of glass-ceramics for sulphate-bearing nuclear waste, indicating effective waste management strategies.

Key Points

  • The aim is to demonstrate effective wasteforms for the stabilization of sulphate-bearing nuclear wastes.
  • Produced two optimized glass-ceramic formulations with high waste loading.
  • Utilized Hot-Isostatic Pressing for wasteform consolidation.
  • Characterized samples for density, porosity, and chemical durability.
  • Conducted NMR analysis to assess glass network structure.
  • HIPed samples showed 76% higher density and 92% lower porosity compared to sintered counterparts.
  • Chemical durability exceeded performance criteria for similar wasteforms.
  • NMR indicated an amorphous, highly polymerized silicate-aluminate network.

Cite This Study

Farzana et al. (2026) studied this question.

synapsesocial.com/papers/69ccb55116edfba7beb874dchttps://doi.org/10.1016/j.jeurceramsoc.2026.118356
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