[HTML][HTML] Advances in fabrication of ceramic corundum abrasives based on sol–gel process

B Huang, LI Changhe, Y Zhang, D Wenfeng… - Chinese Journal of …, 2021 - Elsevier
Corundum abrasives with good chemical stability can be fabricated into various free
abrasives and bonded abrasive tools that are widely used in the precision machining of …

Advanced applications of amorphous alumina: From nano to bulk

A Mavrič, M Valant, C Cui, ZM Wang - Journal of Non-Crystalline Solids, 2019 - Elsevier
In modern technologies, the researchers are keen on top-down approaches to tailor the
materials from bulk into their nanometer forms. For the amorphous alumina, this is the other …

Metal-induced crystallization in metal oxides

L Lermusiaux, A Mazel… - Accounts of Chemical …, 2022 - ACS Publications
Conspectus The properties of a material depend upon its physical characteristics, one of
these being its crystalline state. Next generation solid-state technologies will integrate …

AlF3 reaction mechanism and its influence on α-Al2O3 mineralization

D Riello, C Zetterström, C Parr, MAL Braulio… - Ceramics …, 2016 - Elsevier
Calcination is an important step in the alumina production process, affecting the final
properties of the attained product, such as the surface area, soda and alpha phase contents …

Influence of fluorides on phase transition of α-Al2O3 formation

J Li, Y Wu, Y Pan, W Liu, J Guo - Ceramics international, 2007 - Elsevier
Homogeneous α-Al2O3 particles have been synthesized by introducing fluorides in the
alumina precursor. The effects of LiF, ZnF2 and AlF3 additives on the phase transformation …

Low‐temperature synthesis of α‐Al2O3 powder aided by ball milling and a trace amount of sodium chloride

M Ma, K Wei, R Wu, S Liang… - International Journal of …, 2023 - Wiley Online Library
It is crucial to synthesize α‐Al2O3, which is a multifunctional material, at high temperatures
due to the nature of the material. However, this high‐temperature preparation process is not …

Novel Synthesis and Thermal Behavior of Aluminum Hydroxy Fluorides AlFx(OH)3−x

C Stosiek, G Scholz, G Eltanany, R Bertram… - Chemistry of …, 2008 - ACS Publications
A new synthesis route to nonhydrated, X-ray amorphous aluminum hydroxy fluorides was
explored by sol− gel synthesis with aqueous hydrofluoric acid. Followed by XRD, MAS NMR …

Low-temperature synthesis of α-alumina using NaCl–Na3AlF6 flux

JS Choi, SW Lee, YH Kim - Ceramics International, 2020 - Elsevier
A low-temperature synthesis of α-alumina was studied using a flux consisting of salts and
additives. Al (OH) 3 was used as a precursor for the preparation of alumina; NaCl–KCl …

Evolution of alpha phase alumina in agglomerates upon addition to cryolitic melts

NP Østbø - 2002 - ntnuopen.ntnu.no
Rapid dissolution of alumina upon addition to the cryolitic melt is crucial for the modern Hall-
Heroult process for aluminium production. The formation of slow-dissolving alumina …

Low-Temperature Fabrication of Plate-like α-Al2O3 with Less NH4F Additive

H Chen, B Li, M Liu, X Yang, J Liu, T Qin, Z Xue, Y Xing… - Materials, 2023 - mdpi.com
Fluorinated compounds are effective mineralization agents for the fabrication of plate-like α-
Al2O3. However, in the preparation of plate-like α-Al2O3, it is still an extremely challenging …