Aqueous alteration of silicate glass: state of knowledge and perspectives

被引：111

作者：

Gin, Stephane ^{[1
]}

Delaye, Jean-Marc ^{[1
]}

Angeli, Frederic ^{[1
]}

Schuller, Sophie ^{[1
]}

机构：

[1] Univ Montpellier, CEA, ISEC, DES,DE2D, Montpellier, France

来源：

NPJ MATERIALS DEGRADATION | 2021年 / 5卷 / 01期

关键词：

NUCLEAR-WASTE GLASS; INTERNATIONAL SIMPLE GLASS; MONTE-CARLO SIMULATIONS; LONG-TERM BEHAVIOR; STRAIN PSEUDOMONAS-AERUGINOSA; INITIAL DISSOLUTION RATE; REACTIVE FORCE-FIELD; 90; DEGREES-C; BOROSILICATE GLASS; MOLECULAR-DYNAMICS;

D O I：

10.1038/s41529-021-00190-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The question of silicate glass chemical durability is at the heart of many industrial and environmental issues, with certain glasses, such as bioglasses, needing to transform rapidly, while others, like nuclear glasses, extremely slowly. Due to the wide diversity of the chemical composition for these types of materials and their metastability-no thermodynamic equilibrium can be reached between glass and solution-the evaluation of chemical durability remains a scientific challenge. In this article, we review the current state of knowledge on glass alteration mechanisms and kinetics, and point to some perspectives for glasses for which no direct experimental validation is currently possible. Thanks to the development of novel techniques and international collaborations, a better understanding of the mechanisms involved has been achieved. Mechanistic models have been developed at some specific scales, although holistic models still need further development to link the various scales and perform reliable predictions.

引用

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