Novel nanometer alumina-silica insulation board with ultra-low thermal conductivity

Preparation of ultralow thermal conductivity (Mg0.5Ca0.3Ba0.2) (AlSi)2O8ceramics

“…Thermal barrier coating materials are applied to high-temperature engines that play an insulating role in the engine and significantly improve its service temperature and thermal efficiency. Materials with a low thermal conductivity have important application values in thermal barrier coating, [8][9][10][11] thermal insulation, 12 thermoelectric materials, 13,14 and other fields. Currently, studies on low thermal conductivity materials mainly focus on high-temperature thermal barrier coatings.…”

Ultra-Light and Ultra-Low Thermal Conductivity of Elastic Silica Nanofibrous Aerogel with TiO2 Opacifier Particles as Filler

“…As the aerospace field has developed rapidly, the demand for thermal protection and energy conservation has increased dramatically [1][2][3][4][5][6]. For example, when an aircraft flies at high speed for a long period of time, the fuselage can be rubbed against a great deal of air resistance, producing a lot of heat and transfer to the interior of the spacecraft, causing great damage to pilots and instruments.…”

Preparation and characterization of novel nano‐Al2O3/SiO2‐based composites for energy‐saving

“…Among these methods, the dry preparation technology and sintering has the advantages of environment-friendly, versatile, low-cost, and convenient operation. 1 Therefore, the development and preparation of alternative products with low cost, high performance, and energy-saving are crucial. Throughout this paper, nano-Al 2 O 3 /SiO 2 -based composites were prepared using the dry preparation technology and high-temperature sintering where nano-Al 2 O 3 and nano-SiO 2 were used as the main materials and glass fibers and SiC were used as reinforcement and infrared shielding agent, respectively.…”

“…Despite these inspiring works, the high cost of aerogel, complicated preparation process and harsh process conditions are not conducive to its large‐scale industrialization. Among these methods, the dry preparation technology and sintering has the advantages of environment‐friendly, versatile, low‐cost, and convenient operation 1 . Therefore, the development and preparation of alternative products with low cost, high performance, and energy‐saving are crucial.…”

“…As the beginning of the 21st century, the rise of new energy, new engines, new marine industries, and other related industries makes thermal insulation materials a vital part in scientific and industrial processes. Among them, nano‐porous super thermal insulation material is one of important components, owing to its low bulk density, stable pore structure, and ultralow thermal conductivity, 1 which is widely used in aerospace crafts, 2 supercapacitor, 3 microsensors, and microsystems, 4 rendering it become one focal point of the current research.…”