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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	8.511	kg/m³	—

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)	-0.6897	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.

HfSi2Ni2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control