HfSi2Ni2
metal· JVASP-54881· HfSi2Ni2
HfSi₂Ni₂ is an intermetallic compound combining hafnium, silicon, and nickel, belonging to the family of refractory metal silicides with transition metal additions. This material is primarily of research interest rather than established production use, developed to explore enhanced high-temperature strength and oxidation resistance by leveraging hafnium's refractory properties alongside nickel's solid-solution strengthening effects. The HfSi₂ base system (hafnium disilicide) is known for exceptional thermal stability and potential applications in extreme environments, though nickel addition likely aims to improve toughness and workability—properties that pure hafnium silicides struggle with.
High-temperature structural applicationsAerospace and hypersonic vehicle componentsRefractory coatings researchOxidation-resistant compositesExperimental advanced propulsion systems
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | kg/m³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
Formation Energy(ΔHf) | — | 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.