Ultra-high temperature ceramics (UHTCs) are generally referred to the carbides, nitrides,
and borides of the transition metals, with the Group IVB compounds (Zr & Hf) and TaC as the …

Ceramic materials having melting points higher than 3000° C and suitable for structural
applications at above 2000° C are commonly known as Ultra-High Temperature Ceramics …

Modern demands in clean energy and space exploration require materials scientists to
develop materials that perform in the most extreme conditions in our universe. Recent …

This paper reviews the crystal chemistry, synthesis, densification, microstructure, mechanical
properties, and oxidation behavior of zirconium diboride (ZrB2) and hafnium diboride (HfB2) …

This paper identifies gaps in the present state of knowledge and describes emerging
research directions for ultra-high temperature ceramics. Borides, carbides, and nitrides of …

The Electrochemical Society Interface• Winter 2007 31 seconds, while the outer wall is still at
room temperature. This∆ T generates a compressive stress on the inside (hot) surface, while …

This study reviews densification behaviour, mechanical properties, thermal, and electrical
conductivities of the ZrB2 ceramics and ZrB2-based composites. Hot-pressing is the most …

Ultra-high temperature ceramics (UHTCs) have played a significant role in fulfilling demands
for the thermal protection system (TPS) in the aerospace sector, however, a promising …

Recent studies on carbon fiber-reinforced ultra-high temperature ceramic matrix (C/UHTC)
composites fabricated by hot-pressing, chemical vapor infiltration, polymer impregnation and …

This review presents the recent achievements on carbon additives incorporated in ZrB 2
ceramics, improved properties, and their advancements. Monolithic ZrB 2 ceramics have …