Ba4HfW

metal

· JVASP-66231· Ba4HfW

Ba4HfW is an intermetallic compound combining barium, hafnium, and tungsten elements, belonging to the family of complex metallic alloys. This material is primarily of research and developmental interest rather than an established industrial commodity, with potential applications in high-temperature structural applications where the combination of refractory metals (hafnium and tungsten) offers enhanced thermal stability and strength. Engineers would consider this compound where conventional superalloys reach their limits, though its engineering viability depends on controlling brittleness, manufacturability, and cost—factors typical of early-stage intermetallic development.

high-temperature structural componentsexperimental refractory alloysaerospace research applicationsadvanced materials developmentthermal barrier systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.205	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)	1.659	eV/atom	—
Formation Energy(ΔHf)	1.566	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.

Ba4HfW

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control