Hafnium carbide (HfC) and carbonitride (HfC x N y) nanoparticles were synthesized via
reduction of HfO 2 oxide with calcium hydride in the presence of carbon or carbon/nitrogen …

High-entropy ceramics is a new class of materials having a great potential and wide
application. The carbide of Ti, Zr, Hf, Ta, Nb is a typical member of this group. It has been …

A novel precursor was synthesized by reacting hafnium chloride with dicyandiamide and
dimethylformamide. The precursor was characterized via FT-IR and NMR, as well as TG …

Ultra-high-temperature ceramics have many applications in aerospace and other extreme
environments owing to their excellent resistance and oxidation at high temperatures. In this …

Nano-crystalized HfC was successfully synthesized based on an aqueous solution-derived
precursor using hafnium tetrachloride and sucrose as raw materials. The precursor can be …

Aerogels emerge as captivating contenders within the realm of high-temperature thermal
resistance and thermal insulation. Nevertheless, their practical applications are usually …

Hafnium carbide (HfC) along with sintering aids was consolidated at a relatively lower
temperature ie 1600° C (ie T=~ 0.41 T m) under a uniaxial load of 50 MPa by spark plasma …

Abstract Thermodynamically stable (Hf 1–x Ta x) C (x= 0.1–0.3) compositions were selected
by First Principle Calculation and synthesized in nanopowders via high-energy ball milling …

Abstract Development of UHTCs precursors with a high ceramic yield, low viscosity at high
solid content, and low oxygen content of after pyrolysis is crucial for UHTCs-modified C/Cs …

Here we report the first synthesis of large-size (up to 2 cm), transparent, high-purity
monoclinic HfO2 single crystals by reactive chemical vapor deposition (RCVD) using CF4 as …