TaNi2

metal
· TaNi2

TaNi₂ is an intermetallic compound formed from tantalum and nickel, combining the high-temperature stability and corrosion resistance of refractory metals with the workability and cost-effectiveness of nickel-based systems. This material is primarily of research and developmental interest in aerospace, high-temperature applications, and advanced coatings where extreme thermal environments and chemical resistance are required. Engineers would consider TaNi₂ as an alternative to pure tantalum or conventional superalloys when weight efficiency, thermal cycling resistance, and oxidation protection at elevated temperatures are critical, though industrial adoption remains limited compared to established nickel superalloys.

high-temperature structural applicationsaerospace componentsrefractory coatingsresearch/experimental alloyscorrosion-resistant fastenersthermal barrier systems

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
31,019.8
ksi
31,352.8
ksi
Poisson's Ratio(ν)
0.3400
-
Shear Modulus(G)2 entries
11,035.5
ksi
12,705.3
ksi
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.4514
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
0.000
µB
Seebeck Coefficient(S)
10.47
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.3581
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.
TaNi2 — Properties & Data | MatWorld