HfMnSi

metal
· HfMnSi

HfMnSi is an intermetallic compound combining hafnium, manganese, and silicon, belonging to the family of transition metal silicides. This material is primarily of research and development interest rather than established industrial production, with potential applications in high-temperature structural materials and functional devices where the combination of refractory metal (hafnium) and intermetallic strengthening offers advantages over conventional alloys.

high-temperature structural applicationsaerospace components researchrefractory materials developmentfunctional intermetallicsthermal barrier coatings researchmaterials innovation

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
162.9
GPa
162.3
GPa
Elastic Compliance Tensor(Sij)
Matrix (redacted)
1/GPa
Elastic Anisotropy(AU)
1.258
-
Elastic Stiffness Tensor(Cij)
Matrix (redacted)
Pa
Poisson's Ratio(ν)
0.2763
-
Shear Modulus(G)2 entries
85.68
GPa
86.78
GPa
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)
9.706
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Seebeck Coefficient(S)
0.5900
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.5555
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.