HfBeSi2

ceramic

· JVASP-70840· HfBeSi2

HfBeSi2 is an experimental intermetallic ceramic compound combining hafnium, beryllium, and silicon—a rare composition that bridges refractory metal and ceramic material science. This material is primarily investigated in research settings for ultra-high-temperature structural applications where extreme thermal stability and low density are simultaneously required. Its potential niche lies in aerospace thermal protection and advanced propulsion systems, though industrial deployment remains limited; engineers would consider this material only for cutting-edge R&D programs seeking alternatives to conventional superalloys or alumina-based ceramics in extreme environments.

high-temperature structural ceramicsaerospace thermal protectionrefractory applicationsadvanced propulsion systemsresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2341	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)	0.7465	eV/atom	—
Formation Energy(ΔHf)	0.2868	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.

HfBeSi2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental