HfCo2Sn

metal
· HfCo2Sn

HfCo₂Sn is an intermetallic compound combining hafnium, cobalt, and tin—a ternary metal system that exhibits high stiffness and moderate density, placing it in the family of advanced intermetallics being explored for high-temperature and structural applications. This material remains primarily in the research and development phase rather than established industrial production; it is of interest to materials scientists investigating intermetallic phases for potential use in aerospace, automotive, and high-temperature engineering where weight efficiency and elastic properties are critical. The hafnium-cobalt-tin system is studied as a candidate for applications requiring both mechanical rigidity and thermal stability, though practical deployment would depend on factors such as processability, oxidation resistance, and cost relative to established alternatives like nickel superalloys or titanium aluminides.

aerospace structural componentshigh-temperature alloysintermetallic researchweight-critical applicationsstiffness-to-weight optimizationthermal barrier systems

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)3 entries
163.8
GPa
163.8
GPa
166.1
GPa
Elastic Compliance Tensor(Sij)
Matrix (redacted)
1/GPa
Elastic Anisotropy(AU)
0.2647
-
Elastic Stiffness Tensor(Cij)
Matrix (redacted)
Pa
Poisson's Ratio(ν)2 entries
0.2955
-
0.3700
-
Shear Modulus(G)3 entries
77.56
GPa
77.56
GPa
54.02
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)
11.36
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
1.771
µB
Seebeck Coefficient(S)
-0.2100
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.3765
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.