HfTc
ceramic· HfTc
HfTc is a refractory ceramic compound composed of hafnium and tantalum carbides, belonging to the ultra-high temperature ceramic (UHTC) family. This material is engineered for extreme thermal and mechanical environments where conventional ceramics fail, offering exceptional hardness and structural stability at temperatures exceeding 2000°C. HfTc is primarily of research and specialized industrial interest, valued in hypersonic vehicle components, rocket nozzles, and advanced nuclear applications where its combination of high melting point, oxidation resistance, and mechanical strength under thermal stress makes it superior to traditional refractory metals and monolithic ceramics.
hypersonic vehicle leading edgesrocket engine nozzlesnuclear reactor componentsthermal protection systemsultra-high temperature structural applicationsaerospace thermal barriers
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 191.9 | GPa | — | ||
| ↳ | 191.9 | GPa | — | ||
| ↳ | 190.9 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.3327 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν)2 entries | 0.3255 | - | — | ||
| ↳ | 0.3300 | - | — | ||
Shear Modulus(G)3 entries | 75.81 | GPa | — | ||
| ↳ | 75.81 | GPa | — | ||
| ↳ | 76.88 | GPa | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 13.29 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | — | ||
| ↳ | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | 10.90 | µV/K | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4913 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.