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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"glass dissolution"”.
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Investigating the effects of magnesium on the structure and durability of radioactive waste glasses by solid-state NMR
Radioactive waste glasses containing Mg have been shown to have much poorer (~one order of magnitude) aqueous durability in long-term, compared with those have a similar amount of Ca as the alkaline-earth constituent. This is the case between two non-radioactive research surrogates: MW glasses …
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Predicting radioactive waste glass properties with machine learning and modelling
Over several decades, numerous glass dissolution and characterisation experiments have been performed by the nuclear industry, which currently vitrifies its high-level radioactive waste (HLW), ultimately in preparation for deep geological disposal. This data has largely been collected in isolation, …
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Long Term Durability of Glass Reinforced Composites
… to the performance and long-term durability of glass-reinforced composites. The first portion of this dissertation describes work to assess the effect that post-curing has on widely used E-glass/vinyl-ester composites (E-glass/Derakane 510-A and E-glass/Derakane 8084). It is shown that …
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Coupling source term, mineral reactivity and flow in radionuclide transport
The focus of this work is to investigate the dissolution of MW25, a non-radioactive simulant of UK high-level nuclear waste borosilicate glass, and to predict its performance in the near field of a geological repository. A single-pass flow-through (SPFT) experimental system was used to measure the …
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Developing an understanding of the relationship between the durability of simplified and complex UK radioactive waste glasses
Safely disposing of radioactive waste glass within a geological disposal facility requires a thorough understanding of the kinetics and mechanisms of their aqueous dissolution over geological timescales. Whilst a significant number of studies have taken place on international waste glass …
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Production and characterisation of bioresorbable polymers and polymer-glass composites for application in cardiac stents
… materials based on polymer blends and polymer-glass composites, for future application in an effective and safe bioresorbable cardiac stent. PLLA was combined with polyethylene-glycol functionalised poly(L-lactide-co-caprolactone) (PLCL-PEG) to form a semi-miscible set of polymer blends with …