Abstract
Ceramics and ceramic matrix composites (CMCs) had emerged as promising materials for solar thermal receivers due to their unique properties, including excellent thermal stability, high thermal conductivity, high corrosion resistance, and superior mechanical properties, all of which enhanced the performance and durability of solar thermal receivers. Additionally, their lightweight nature, achieved through the use of ceramic matrix composites, optimized overall system performance. Various types of ceramics and ceramic matrix composites had been assessed for their applicability in solar thermal receivers, such as alumina, zirconia, mullite, silicon carbide, silicon nitride, and ultrahigh temperature ceramics (UHTCs). Consequently, advanced ceramic matrix composites, novel coating technologies, and innovative manufacturing techniques were explored to further optimize the efficiency and reliability of solar thermal receivers. Innovative ceramic matrix composites, such as alumina/silicon carbide and silicon carbide/silicon carbide (SiC/SiC), were examined for their superior mechanical strength and thermal conductivity. Moreover, the utilization of a novel class of fiber-reinforced ultra-high temperature ceramic matrix composites, which featured improved optical properties, high mechanical strength at elevated temperatures, thermal shock resistance, and lightweight characteristics, created opportunities for advancing solar thermal receiver design and optimizing performance as solar absorber materials.
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