Alumina (Al2O3) is defined as a natural metal oxide characterized by high hardness, wear and corrosion resistance, and biocompatibility, making it suitable for various industrial and medical …

Jan 1, 2020 · Abstract Alumina nano-particles have wide usage in the adsorption and catalysis fields, because of its acid-base properties, high specific area, mechanical and thermal stability. …

Alumina is defined as a chemical compound derived from aluminum ore bauxite, serving as a key raw material for the aluminum industry. It is characterized by its abundance and ease of …

Feb 1, 2025 · Oxide/oxide ceramic matrix (oxide/oxide) composites are a class of materials that show excellent mechanical properties under severe conditions, such as high-temperature and …

Feb 1, 2025 · High-purity alumina ceramic substrates have drawn immense attention because of its high strength and hardness, as well as good chemical stability. How…

Mar 1, 2025 · Porous alumina with a dense surface layer was prepared via pressureless sintering of bimodal powders followed by vacuum impregnation using a nano-alum…

Jul 1, 2025 · The sintering process maximizes preparation efficiency, improving high-purity alumina ceramics' performance. In addition, this paper investigates the compaction behavior of …

Sep 1, 2025 · The innovation in this research is the use of the dual preparation method (powder metallurgy - hot forging) for the aluminum-based composite material samples reinforced with …

Aug 1, 2025 · In the current process for the preparation of spherical α-alumina powders by homogeneous precipitation, monodispersant is commonly used. Unfortunately, …

Alumina production refers to the process of extracting alumina (aluminum oxide) from bauxite ore, primarily through the Bayer process, which involves digestion of bauxite in caustic soda, …