Nb3Pt

metal
· Nb3Pt

Nb3Pt is an intermetallic compound combining niobium and platinum in a 3:1 stoichiometric ratio, forming a metallic material with high stiffness and density. This material belongs to the refractory intermetallic family and is primarily of research and specialized industrial interest rather than a commodity material. Nb3Pt is investigated for high-temperature structural applications, aerospace propulsion systems, and electronic device contacts where exceptional hardness, chemical stability, and thermal resistance are critical; however, it remains largely experimental due to processing challenges and cost, making it relevant mainly for advanced engineering scenarios where conventional superalloys or refractory metals prove insufficient.

high-temperature aerospace structuresturbine engine componentselectronic contacts and interconnectswear-resistant coatingsresearch and development applicationsrefractory intermetallics

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)3 entries
30,054.2
ksi
30,054.2
ksi
30,530.4
ksi
Elastic Compliance Tensor(Sij)
Matrix (redacted)
1/GPa
Elastic Anisotropy(AU)
0.6809
-
Elastic Stiffness Tensor(Cij)
Matrix (redacted)
ksi
Poisson's Ratio(ν)2 entries
0.3285
-
0.3300
-
Shear Modulus(G)3 entries
11,642.4
ksi
11,642.4
ksi
12,783.6
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)
0.4030
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)
-23.45
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.3891
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.
Nb3Pt — Properties & Data | MatWorld