HfTaV4

metal

· JVASP-99988· HfTaV4

HfTaV4 is a refractory metal alloy combining hafnium, tantalum, and vanadium, belonging to the family of high-temperature transition metal systems. This material is primarily of research and developmental interest, targeted at extreme-environment applications where conventional superalloys reach their thermal limits. The hafnium-tantalum-vanadium system is explored for aerospace and advanced energy applications demanding superior high-temperature strength and oxidation resistance, though industrial adoption remains limited compared to established nickel-based or titanium-based alternatives.

high-temperature aerospace structuresrefractory metal researchhypersonic vehicle componentsadvanced reactor materialsultra-high-temperature applicationsexperimental aerospace testing

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3624	lb/in³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01930	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.03075	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

HfTaV4 — Properties & Data | MatWorld

HfTaV4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control