Sc3AlC
metal· Sc3AlC
Sc3AlC is a ternary carbide compound belonging to the MAX phase family of materials, which combines ceramic-like hardness with metallic conductivity and damage tolerance. This is primarily a research and development material being investigated for high-temperature structural applications, aerospace components, and thermal management systems where conventional ceramics or metals fall short. The MAX phase chemistry makes Sc3AlC notable for its potential combination of stiffness, thermal stability, and machinability—properties that position it as an alternative to traditional refractory metals and ceramics in extreme environments, though industrial-scale adoption remains limited.
high-temperature structural componentsaerospace thermal barriersrefractory applicationsresearch-phase advanced ceramicsthermal management systemsdamage-tolerant composites
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 14,755.3 | ksi | — | ||
| ↳ | 14,755.3 | ksi | — | ||
| ↳ | 14,818.5 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.01495 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.1799 | - | — | ||
| ↳ | 0.1800 | - | — | ||
Shear Modulus(G)3 entries | 12,010.6 | ksi | — | ||
| ↳ | 12,010.6 | ksi | — | ||
| ↳ | 11,901.8 | 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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1143 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -45.80 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.6636 | 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.