HfSiPt
metal· HfSiPt
HfSiPt is a ternary intermetallic compound combining hafnium, silicon, and platinum—a research-phase material belonging to the family of refractory metal silicides and platinides. This material class is investigated for high-temperature structural applications where conventional superalloys reach their thermal limits, with platinum addition enhancing oxidation resistance and thermal stability. While not yet commercially established at scale, HfSiPt represents the cutting edge of ultra-high-temperature material development for aerospace and power generation environments.
high-temperature aerospace structuresadvanced turbine componentsnext-generation thermal barrier systemsrefractory coatings researchextreme environment applicationsmaterials science development
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 27,868.4 | ksi | — | ||
| ↳ | 27,868.4 | ksi | — | ||
| ↳ | 21,635.3 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.1130 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.2765 | - | — | ||
| ↳ | 0.2900 | - | — | ||
Shear Modulus(G)3 entries | 14,638.9 | ksi | — | ||
| ↳ | 14,638.9 | ksi | — | ||
| ↳ | 371.3 | ksi | — |
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) | 0.4374 | lb/in³ | — |
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) | 1.660 | 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) | 0.4711 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.5622 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
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.