Hf3Ta

ceramic

· JVASP-108878· Hf3Ta

Hf3Ta is a hafnium-tantalum intermetallic ceramic compound belonging to the refractory metal ceramics family, likely a research or advanced material rather than a widely commercialized phase. Both hafnium and tantalum are Group IV and V transition metals with exceptionally high melting points, making compounds in this system candidates for ultra-high-temperature structural applications where conventional superalloys fall short. This material class is of particular interest in aerospace and nuclear research contexts where thermal stability, oxidation resistance, and mechanical strength at extreme temperatures are critical performance drivers.

hypersonic vehicle structuresnuclear reactor componentsultra-high-temperature coatingsrefractory applicationsaerospace propulsion systemsmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.5091	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)	0.1310	eV/atom	—
Formation Energy(ΔHf)	0.1310	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.

Hf3Ta

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental