Ta2OsW

metal
· Ta2OsW

Ta2OsW is a refractory intermetallic compound combining tantalum, osmium, and tungsten—three elements prized for extreme-temperature and wear resistance. This is a research-phase material studied for ultra-high-temperature structural applications where conventional superalloys reach their limits; the material family is notable for exceptional hardness and density, making it relevant to aerospace propulsion, tooling, and nuclear thermal management where thermal cycling and oxidative environments demand materials beyond conventional Ni- or Co-based alloys. Its high density and multi-refractory composition position it as a candidate for next-generation hypersonic vehicle components and space propulsion hardware, though manufacturing and cost remain significant engineering barriers.

hypersonic vehicle structuresrocket nozzles and combustion chambersrefractory tool insertsnuclear thermal componentsresearch material—extreme-temperature applicationsoxidation-resistant coatings

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Poisson's Ratio(ν)
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-——
Shear Modulus(G)
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ksi——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
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lb/in³——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
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eV——
↳
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eV——
Magnetic Moment(μB)
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µB——
Seebeck Coefficient(S)
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µV/K——
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
Energy Above Hull(ΔEhull)
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eV/atom——
Formation Energy(ΔHf)
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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.