Understanding the structural origin of crystalline phase transformations in nepheline (NaAlSiO4)‐based glass‐ceramics

A Deshkar, J Marcial, SA Southern… - Journal of the …, 2017 - Wiley Online Library
Abstract Nepheline (Na6K2Al8Si8O32) is a rock‐forming tectosilicate mineral which is by far
the most abundant of the feldspathoids. The crystallization in nepheline‐based glass …

Probing the transformation paths from aluminum (oxy)hydroxides (boehmite, bayerite, and gibbsite) to metastable alumina: A view from high-resolution 27Al MAS …

HI Kim, SK Lee - American Mineralogist, 2021 - degruyter.com
Detailed knowledge of the structural evolution of diverse aluminum (oxy) hydroxides with
varying temperatures up to~ 300° C provides insights into the dehydration processes …

Temperature-induced amorphization in CaCO3 at high pressure and implications for recycled CaCO3 in subduction zones

M Hou, Q Zhang, R Tao, H Liu, Y Kono, H Mao… - Nature …, 2019 - nature.com
Calcium carbonate (CaCO3) significantly affects the properties of upper mantle and plays a
key role in deep carbon recycling. However, its phase relations above 3 GPa and 1000 K …

[HTML][HTML] Effect of lanthanum content on physicochemical properties and thermal evolution of spent and beneficiated spent FCC catalysts

L Alcaraz, O Rodríguez-Largo, M Álvarez-Montes… - Ceramics …, 2022 - Elsevier
Two FCC spent catalysts with different amounts of La 2 O 3 and similar Al 2 O 3/SiO 2 ratios
and the corresponding residues of an optimized process of La-extraction are studied. The …

Structural dependence of crystallization in glasses along the nepheline (NaAlSiO4) ‐ eucryptite (LiAlSiO4) join

J Marcial, J Kabel, M Saleh, N Washton… - Journal of the …, 2018 - Wiley Online Library
Lithium and sodium aluminosilicates are important glass‐forming systems for commercial
glass‐ceramics, as well as being important model systems for ion transport in battery …

Fast, low-cost preparation of hackmanite minerals with reversible photochromic behavior using a microwave-assisted structure-conversion method

JM Carvalho, I Norrbo, RA Ando, HF Brito… - Chemical …, 2018 - pubs.rsc.org
A microwave-assisted structure-conversion (MASC) method was used to obtain
photochromic hackmanites (M, Na) 8Al6Si6O24 (Cl, S) 2 (M: Li, Na, and K) in a fast (12 to 20 …

The potential of La-containing spent catalysts from fluid catalytic cracking as feedstock of mullite based refractories

E Restrepo, F Vargas, E López, C Baudín - Journal of the European …, 2020 - Elsevier
The potential of La-containing spent FCC catalysts as feedstock of mullite refractories is
discussed. A simple methodology to determine the maximum use temperatures is proposed …

Induction of zeolite membrane formation by implanting zeolite crystals into the precursor of ceramic supports

Y Yang, N Ma, X Wu, X Lu, Z Yin, H Zhang… - Journal of Membrane …, 2021 - Elsevier
Zeolite membranes are broadly applied in separation, catalysis, and sensor, yet challenges
remain in the preparation process. The design of support is an important component to …

Temperature-induced amorphisation of hexagonal ice

PH Handle, T Loerting - Physical Chemistry Chemical Physics, 2015 - pubs.rsc.org
We systematically studied the competition between polymorphic transformations and
amorphisation of hexagonal ice on isobaric heating from 77 K to 155–170 K at pressures …

Fabrication methods of multi-mineralic fault gouge analogues using a high-energy ball mill

YN Lee, I Song, HN Kim - Geosciences Journal, 2024 - Springer
The fault gouge, a crushed fault rock resulting from seismic slip, exhibits variations in
crystallinity and particle size contingent on the magnitude of deformation. Therefore, the …