HfCoSi

metal
· JVASP-152122· HfCoSi

HfCoSi is an intermetallic compound combining hafnium, cobalt, and silicon, belonging to the family of refractory metals and high-temperature intermetallics. This material is primarily of research and development interest for extreme-environment applications where conventional superalloys reach their limits, particularly in aerospace and energy sectors seeking materials that maintain strength and structural integrity at very high temperatures. The hafnium-cobalt-silicon system is notable for its potential to enable next-generation turbine engines, hypersonic vehicles, and nuclear applications, though development remains largely in the experimental phase compared to established alternatives like nickel-based superalloys or titanium aluminides.

high-temperature turbine componentsaerospace propulsion systemshypersonic vehicle structuresnuclear reactor materialsrefractory coating systemsmaterials research and development

Compliance & Regulations

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