Ultra-high Temperature Ceramics

Dear Colleagues,

Borides, carbides, and nitrides of the transition metals comprise a family of ultra-refractory materials known as ultra-high-temperature ceramics (UHTCs), and are a key element without which many applications within the world of the extreme-environment engineering would/will not be possible. Examples of applications for UHTCs include hypersonic flight, scramjet and rocket propulsion, atmospheric re-entry, ultra-refractory crucibles, plasma-arc electrodes, advanced nuclear fuels, and fusion first walls and divertors, to cite just some. In terms of melting point, oxidation, thermal shock, strength, thermal conductivity, thermal expansion, and density the requirements of the world of extreme-environment engineering are so stringent that not surprisingly UHTCs today represent a very active research field in Material Science and Engineering. However, despite the significant progress accumulated to date by the UHTCs community, more research efforts are still required to extend our overall knowledge of UHTCs and to solve the limitations of the current UHTCs.
This Special Issue of Materials is aimed at presenting the state-of-art and latest research progress in any aspect of UHTCs, that is, powder synthesis and preparation, processing and shaping, sintering, oxidation behaviour, and mechanical and physical properties. In addition to review papers, full-length manuscripts and short communications on any of these UHTCs topics are welcome.

Dr. Angel L. Ortiz
Guest Editor

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