Hf3Fe2Si3

metal

· JVASP-154512· Hf3Fe2Si3

Hf3Fe2Si3 is an intermetallic compound combining hafnium, iron, and silicon, belonging to the family of refractory metal silicides. This material is primarily of research and development interest rather than established in high-volume production, with potential applications in extreme-temperature structural systems where conventional superalloys reach their thermal limits. The hafnium-iron-silicon system is investigated for its potential to combine high melting points with controlled mechanical properties, though practical industrial adoption remains limited due to processing challenges, cost, and competing alternatives in ultra-high-temperature applications.

experimental refractory compoundshigh-temperature aerospace researchadvanced propulsion systemsextreme-environment structural materialsintermetallic matrix composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3590	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)	0.01550	eV/atom	—
Formation Energy(ΔHf)	-0.7249	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.

Hf3Fe2Si3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control