ScCuSi

metal
· ScCuSi

ScCuSi is an experimental ternary intermetallic compound combining scandium, copper, and silicon. This alloy belongs to the family of rare-earth transition metal silicides, which are primarily investigated in research settings for their potential to combine high stiffness with moderate density. While not yet established in volume production, materials in this compositional space are of interest for aerospace and structural applications where weight efficiency and thermal stability are critical, though development remains in early stages.

aerospace structural componentshigh-temperature stiffness applicationslightweight intermetallic researchthermal management systemsexperimental alloy development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
16,128
ksi
16,680.8
ksi
Poisson's Ratio(ν)
0.2800
-
Shear Modulus(G)2 entries
8,700.2
ksi
9,141.7
ksi
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)
0.1734
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
0.000
µB
Seebeck Coefficient(S)
-1.177
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.00260
eV/atom
Formation Energy(ΔHf)
-0.6522
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.
ScCuSi — Properties & Data | MatWorld