Ta5Si3

ceramic
· Ta5Si3

Ta5Si3 is a tantalum silicide ceramic compound that belongs to the refractory intermetallic family, combining the high-temperature stability of tantalum with the lightweight properties of silicon. This material is primarily investigated for extreme-environment applications where conventional superalloys reach their thermal limits, particularly in aerospace and power generation where oxidation resistance and structural integrity at elevated temperatures are critical. Ta5Si3 and related tantalum silicides represent a research-focused material class with potential for next-generation turbine engines, hypersonic vehicle components, and nuclear reactor applications, though industrial adoption remains limited compared to established ceramic matrix composites and nickel-based superalloys.

high-temperature structural componentsaerospace engine applicationsrefractory coatingshypersonic vehicle materialsnuclear thermal protectionadvanced research composites

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
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Pa——
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Elastic Compliance Tensor(Sij)
Matrix (redacted)
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Elastic Anisotropy(AU)
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Elastic Stiffness Tensor(Cij)
Matrix (redacted)
Pa——
Poisson's Ratio(ν)
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Shear Modulus(G)2 entries
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Pa——
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Pa——
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
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Density(ρ)
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Verified Unverified Low confidence (<80%) Link to source
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Band Gap(Eg)
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Magnetic Moment(μB)
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Verified Unverified Low confidence (<80%) Link to source
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Energy Above Hull(ΔEhull)
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Formation Energy(ΔHf)2 entries
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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

Regulatory Screening

Environmental

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.