Influence of Alteration Solutions on the Chemical Durability of the Z erodur ® Glass‐Ceramic: Structural Investigation
Source abstract
Abstract
The Z erodur ® glass‐ceramic chemical durability has been studied by leaching. The nuclear magnetic resonance spectroscopy analysis has allowed highlighting the network changes. A macroscopic evaluation of the surface alteration has been performed by contact angle measurements, this analysis being sensible to the roughness and the hydrophilic character. In basic solutions, depolymerization phenomena concern all former cations, as result of hydrolysis phenomena. A preferential attack of the interface matrix‐nanocrystals, implicating phosphorus involves some nanocrystals removing. The Z erodur ® glass‐ceramic keeps an excellent chemical durability during exposition to acidic aqueous solutions. But in basic medium, the biphasic nature involves a strong alteration.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Glass properties and applications · Nuclear materials and radiation effects · Recycling and utilization of industrial and municipal waste in materials production
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
CNRS CEMHTI UPR3079 Université d'Orléans F‐45071 Orléans France
GREMI Université d'Orléans/CNRS UMR 7344 F‐18028 Bourges France
SAFRAN Sagem Etablissement de Montluçon F — 03106 Montluçon France
SUBATECH UMR 6457 CNRS/IN2P3 Ecole des Mines F‐44307 Nantes France
CNRS Institut de Chimie F‐75794 Paris France
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