Pressure-induced densification of oxide glasses at the glass transition

S Kapoor, L Wondraczek, MM Smedskjaer - Frontiers in Materials, 2017 - frontiersin.org
Densification of oxide glasses at the glass transition offers a novel route to develop bulk
glasses with tailored properties for emerging applications. Such densification can be …

Models for viscosity of geological melts

JK Russell, KU Hess… - Reviews in Mineralogy …, 2022 - pubs.geoscienceworld.org
Viscosity is the single most important physical property governing the formation, transport
and eruption of naturally occurring silicate melts and magmas. Silicate melt viscosity is of …

Al environment in tectosilicate and peraluminous glasses: A 27Al MQ-MAS NMR, Raman, and XANES investigation

DR Neuville, L Cormier, D Massiot - Geochimica et Cosmochimica Acta, 2004 - Elsevier
Tecto-aluminosilicate and peraluminous glasses have been prepared by conventional and
laser heating techniques, respectively, in the CaO-Al2O3-SiO2 system. The structure of …

The role of Al3+ on rheology and structural changes in sodium silicate and aluminosilicate glasses and melts

C Le Losq, DR Neuville, P Florian… - … et Cosmochimica Acta, 2014 - Elsevier
Because of their importance in both the geosciences and the glass-making industry, alkali
aluminosilicate melts have been the focal point of many past studies, but despite progress …

The degree of aluminum avoidance in aluminosilicate glasses

SK Lee, JF Stebbins - American Mineralogist, 1999 - degruyter.com
For two series of aluminosilicate glasses on the SiO2-NaAlO2 and SiO2-CaAl2O4 joins,
29Si magic-angle-spinning (MAS) NMR spectra were measured. Systematic variations in …

Peraluminous viscosity maxima in Na2O Al2O3 SiO2 liquids: The role of triclusters in tectosilicate melts

MJ Toplis, DB Dingwell, T Lenci - Geochimica et Cosmochimica Acta, 1997 - Elsevier
We present enhanced-precision viscosity determinations for Na2O Al22O3 SiO2 liquids
which challenge the commonly held view that melts of tectosilicate stoichiometry in this …

Non-Arrhenian multicomponent melt viscosity: a model

D Giordano, DB Dingwell - Earth and Planetary Science Letters, 2003 - Elsevier
Newtonian viscosities of 19 natural multicomponent melts ranging in composition from
basanite through phonolite and trachyte, to dacite have been analysed in the range of 100 …

Exploration of the amphoteric transition of Al2O3 on melt structure and viscosity of silicate slag

W Xuan, Y Zhang - Ceramics International, 2023 - Elsevier
The amphoteric oxide Al 2 O 3 has different behaviors in different chemical environments. In
an acidic environment, Al 3+ breaks the network structure while in an alkaline environment …

Temperature effects on non-bridging oxygen and aluminum coordination number in calcium aluminosilicate glasses and melts

JF Stebbins, EV Dubinsky, K Kanehashi… - … et Cosmochimica Acta, 2008 - Elsevier
Configurational changes with temperature are important for the thermodynamic and
transport properties of most aluminosilicate melts, but in general are not well understood …

The Structure of Aluminosilicate Glasses:  High-Resolution 17O and 27Al MAS and 3QMAS NMR Study

SK Lee, JF Stebbins - The Journal of Physical Chemistry B, 2000 - ACS Publications
We investigate short-range order and local atomic configuration in charge-balanced
aluminosilicate glasses as functions of composition, using 17O and 27Al MAS and triple …