Hf5Sn3
ceramic· Hf5Sn3
Hf5Sn3 is a refractory intermetallic ceramic compound combining hafnium and tin, belonging to the family of transition metal-based ceramics known for exceptional hardness and high-temperature stability. This material is primarily of research and development interest for aerospace and thermal protection applications where extreme temperature resistance and structural integrity are critical. Hafnium-tin intermetallics offer potential advantages over conventional refractory materials in environments requiring combined thermal shock resistance, oxidation protection, and mechanical strength at temperatures where traditional alloys fail.
aerospace thermal protectionhigh-temperature structural applicationsrefractory coatingsresearch and developmentextreme environment materials
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 113.5 | GPa | — | ||
| ↳ | 113.5 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.6204 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν) | 0.3191 | - | — | ||
Shear Modulus(G)2 entries | 46.68 | GPa | — | ||
| ↳ | 46.68 | 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) | 11.82 | 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 | — | ||
Seebeck Coefficient(S) | -3.350 | 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)2 entries | -0.5099 | eV/atom | — | ||
| ↳ | -0.3508 | eV/atom | — |
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
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.