HfAlPt
metal· HfAlPt
HfAlPt is a ternary intermetallic compound combining hafnium, aluminum, and platinum—three elements known for high-temperature stability and corrosion resistance. This material belongs to the family of refractory metal alloys and represents primarily research-phase development, investigated for applications requiring exceptional thermal stability, mechanical properties at elevated temperatures, and resistance to oxidation. The combination of a refractory metal (Hf), a lightweight element (Al), and a noble metal (Pt) positions this alloy as a candidate for next-generation high-temperature structural applications where traditional superalloys or ceramic composites may fall short.
high-temperature structural applicationsaerospace propulsion systemsrefractory coatings and intermetallicsoxidation-resistant alloysresearch and development materialsthermal barrier system components
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 23,691.3 | ksi | — | ||
| ↳ | 23,691.3 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.4168 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν) | 0.2997 | - | — | ||
Shear Modulus(G)2 entries | 10,953.7 | ksi | — | ||
| ↳ | 10,953.7 | 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) | 0.4558 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.059 | 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.