Ta4CoNi

metal

· JVASP-104688· Ta4CoNi

Ta4CoNi is a refractory high-entropy or multi-principal-element alloy combining tantalum, cobalt, and nickel, designed for extreme-temperature and high-strength applications. This material family is primarily investigated in research and advanced aerospace contexts where conventional superalloys reach their performance limits, offering potential advantages in elevated-temperature strength, wear resistance, and thermal stability. Engineers would consider Ta4CoNi for next-generation turbine engines, hypersonic vehicle structures, or specialized tooling applications where weight efficiency and thermal performance justify the material's cost and processing complexity.

aerospace turbine componentshigh-temperature structural applicationsrefractory alloy researchextreme environment toolinghypersonic vehicle structureswear-resistant coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.5408	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)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.2659	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.

Ta4CoNi

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control