HfScSi2

ceramic

· JVASP-103092· HfScSi2

HfScSi2 is an intermetallic ceramic compound combining hafnium, scandium, and silicon, belonging to the family of refractory metal silicides. This material is primarily of research interest for ultra-high-temperature applications where conventional ceramics and superalloys reach their limits, such as in aerospace propulsion systems and thermal protection structures. Its appeal lies in the potential for improved oxidation resistance and thermal stability compared to traditional silicides, though it remains in development rather than widespread industrial production.

hypersonic vehicle protectionrocket engine componentshigh-temperature structural compositesoxidation-resistant coatingsrefractory applications

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2375	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)	0.00900	eV/atom	—
Formation Energy(ΔHf)	-0.7668	eV/atom	—

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.

HfScSi2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental