HfC Matrix Systems
Carbide/UHTC matrix systems with oxidation and stability treated as coupled variables.
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Ceramics & Glasses · Source-Anchored UHTC Gateway
Borides & UHTCs
Ultra-high-temperature boride, carbide, nitride and composite ceramic systems for extreme heat flux, reentry, propulsion, high-temperature electrodes and other severe-service hardware.
Extreme-temperature ceramicsOxidation & thermal-shock controlSource-gated quantitative data
WEB-MAT Revision 1.0 · Phase 20 release candidate
UHTC Engineering Gateways
layout mirrors approved UHTC rendering
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Carbides
Transition-metal carbides for extreme heat, wear and structural service.
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Diborides
ZrB2, HfB2, TiB2 and TaB2 systems with high melting points and oxidation-management needs.
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Nitrides
Si3N4, AlN, BN and other nitride systems for thermal shock, electrical and structural functions.
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Oxides & Composites
Oxide systems and multiphase UHTC architectures used to tailor oxidation and damage response.
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Thermal Protection Systems
UHTC and ceramic architectures for leading edges, reentry and high-heat-flux protection.
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Coatings & Surface Protection
Environmental and oxidation barriers, conversion layers and surface treatments.
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Processing Methods
Powder synthesis, densification, hot pressing, SPS, machining and joining.
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Extreme-Environment Applications
Mission-critical ceramic systems for propulsion, space, defense and energy hardware.
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UHTC Engineering Matrix & Material Directory
qualitative Phase-5.2 architecture
| Material family | Representative materials | Core engineering traits | Processing / qualification focus |
|---|---|---|---|
| Carbides | HfC, ZrC, TaC, TiC, NbC, VC | Ultra-high temperature structure, wear, thermal conduction | Stoichiometry, densification, oxidation, grain-boundary chemistry |
| Diborides | ZrB2, HfB2, TiB2, TaB2 | High heat flux, electrical/thermal conduction, leading-edge structures | Oxidation, SiC/second-phase additions, thermal shock, joining |
| Nitrides | Si3N4, AlN, BN, TiN, ZrN, HfN | Thermal shock, dielectric/thermal functions, wear and coatings | Sintering aids, oxygen content, phase state, thermal cycling |
| Oxides & Composites | Al2O3, Y2O3, MgO, HfO2, ZrO2 and mixed UHTC composites | Oxidation resistance, insulation, EBC/TBC functions, composite tailoring | Phase stability, CTE mismatch, bond integrity, recession |
| Composite Systems | ZrB2-SiC, HfB2-SiC, HfC-SiC, C/SiC, SiC/SiC | Damage tolerance, ablation resistance, hot-structure reliability | Second-phase distribution, fiber/interphase condition, oxidation and NDE |
Selected UHTC Engineering Topics
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ZrB2-SiC Composites
Diboride-silicon-carbide architectures for oxidation resistance and hot structures.
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TaC & Carbide Coatings
Hard, refractory coating concepts where bond, residual stress and oxidation matter.
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Reentry TPS Materials
Thermal-protection and leading-edge ceramic systems for severe aerothermal service.
View Topic →5+principal UHTC families
8engineering gateways
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Phase 5.2gold-master lock