HfSiRu2

ceramic
· HfSiRu2

HfSiRu2 is a ternary intermetallic ceramic compound combining hafnium, silicon, and ruthenium. This is a research-phase material studied for its potential in ultra-high-temperature structural applications, where the combination of refractory metals and ceramic bonding offers exceptional thermal stability and hardness. The material belongs to the family of transition-metal silicides, which are of significant interest for aerospace and advanced energy systems where conventional superalloys reach their temperature limits.

ultra-high-temperature structural componentsaerospace propulsion systemsrefractory coatingshigh-temperature ceramic matrix compositesadvanced nuclear applicationsexperimental research applications

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
33,054.1
ksi
Poisson's Ratio(ν)
0.3100
-
Shear Modulus(G)
14,924.4
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.4134
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.1250
eV
Dielectric Constant (Relative Permittivity)(εr)
81.95
-
Electronic Dielectric Tensor(ε∞)
Matrix (redacted)
-
Total Dielectric Tensor(ε)
Matrix (redacted)
-
Seebeck Coefficient(S)
-224.4
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.7333
eV/atom
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.