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Effect of the alumina and silica source mixing procedure on the microstructural evolution of alumina-mullite composite fibers prepared by sol–gel method
The preparation of precursor sol is the first and crucial step in fabricating oxide fibers by the sol–gel method. In this study, different...
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Radio Frequency Plasma Spheroidization of Alumina as a Feedstock Material for Ceramic 3D Printing
The suitability of alumina powder produced through radio frequency (RF) plasma spheroidization for ceramic 3D printing feedstock is investigated. The...
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Operando tomographic microscopy during laser-based powder bed fusion of alumina
Laser-based Powder Bed Fusion (LPBF) of oxide ceramics enables fabrication of objects with complex three-dimensional shapes. However, mechanical...
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Revisiting Wagner’s Criteria to Predict Establishment and Retention of Alumina Scales on Ternary NiCrAl Alloys
Despite the advent of numerical modeling approaches and high-performance computing infrastructure, the design and development of corrosion-resistant...
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Structural-Phase and Technical Characteristics of Alumina of Different Brands and Manufacturers
The article presents the data on the structural-phase and technical characteristics of alumina of domestic brands (GN, GKIS, GLMK, GNK, GK, GEF) and...
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Antifrictional Effect of Biobased Fillers on Bioceramic Alumina
Nanoporous coatings suggest new opportunities for anodic alumina (Al2O3) as an innovative bioceramic material. Despite its hardness, the wear of...
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Research in the Area of Preparing Activated Alumina. Part 5. Different Technological Approaches to the Process of Fine Milling of High-Alumina Raw Materials
Results of studying the process of fine milling of α-Al 2 O 3 in the presence of polyethylene glycol (PEG) and an antistatic composition are presented....
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Microstructural, mechanical and phase formation behaviour of sintered mullite prepared from kaolinite and reactive alumina: effect of La2O3
Clay and reactive alumina were used to prepare mullite ceramic by wet mixing, followed by the solid-state sintering method. The influence of...
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Sorption Extraction of Gallium from Alumina-Alkaline Solutions
The possibility of sorption concentration of gallium from alumina-alkaline solutions resulting by leaching of recycled soda with sludge water during...
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Formation of Thermally Grown Aluminum Oxide Scale on the Surface of Ni2Al3/Ni Layered Coating
The paper is dedicated to the study of the morphology, chemical and phase composition of the aluminum oxide scale thermally grown on the surface of Ni
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Physicochemical characterization and biological effect of 3D-nanofibrous alumina scaffolds produced by solution blow spinning
The objective of this study was to conduct a physicochemical characterization and in vivo assessment of the bioactivity of amorphous 3D-nanofibrous...
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Utilization of High-Alumina Iron Ore in Pellet Making Through Process Optimization
The demand for pellets in blast furnaces has recently increased because of their uniform shape and size, controlled chemistry, iron-enriched feed,...
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Picosecond Laser Surface/Deep Patterning of Alumina Ceramics
Traditional machining techniques pose significant drawbacks when applied to ceramics due to the material’s inherent brittleness. Specialized laser...
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Preparation of meso-macro bimodal porous amorphous silica-alumina as an acidic catalyst
A bimodal amorphous silica-alumina with macropores and mesopores of sizes 2–4 µm and 10 nm, respectively, was prepared with an alumina content of up...
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Research in the Area of Preparing Activated Alumina. Part 1. Methods for Preparing Reactive Alumina
Properties, production methods, and fields of application for finely dispersed activated α-aluminum oxide are considered. Information about...
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Introduction: Primary Aluminum–Alumina–Bauxite
This book centers on the production of purified alumina (Al2O3) that is used as a feedstock to smelting cells that convert alumina to purified...
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Production of Smelter Grade Alumina (SGA) by Calcination
This chapter covers the changes in calcination technology, energy consumption, air pollution control and quality of SGA developed over time since the...
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High-Temperature Oxidation of MCrAlY Coating Modified by Alumina Deposited by an MOCVD Process
Spray parameters were fixed to depositing a MCrAlY coating by HVOF process on IN-708 substrate. The deposited coatings exhibited a microstructure...
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Invited Review Paper in Commemoration of Over 50 Years of Oxidation of Metals: Alumina Scale Adhesion Mechanisms: A Retrospective Assessment
Key factors related to protective alumina scale adhesion are reviewed in an historical context. Critical experiments that solidified the framework of...
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Passivation of the HAYNES® 214® Nickel-Based Superalloy via Pulsed Laser Deposition of Alumina and Chromia Coatings for Enhanced Corrosion Resistance at Intermediate Temperatures
The role of using pulsed laser deposition (PLD) as a means for applying alumina (Al 2 O 3 ) and chromia (Cr 2 O 3 ) coatings to the HAYNES® 214® alloy was...
