Mn3Al9Si

metal
· Mn3Al9Si

Mn3Al9Si is an intermetallic compound combining manganese, aluminum, and silicon—a material from the family of lightweight multi-principal element alloys with potential for structural and high-temperature applications. This composition sits at the intersection of research into aluminum-based intermetallics and manganese-bearing systems, making it primarily a materials science research compound rather than a production-volume engineering material. The combination of constituent elements suggests interest in weight reduction, thermal stability, or wear resistance, though industrial adoption and established application precedents remain limited; engineers should consult recent literature to assess maturity and validate performance data for critical applications.

aerospace researchlightweight structural alloysintermetallic compounds (R&D)high-temperature materials developmentwear-resistant coatings (potential)

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
16,982.5
ksi—
Shear Modulus(G)
11,446.6
ksi—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.1398
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Seebeck Coefficient(S)
3.583
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom—
Formation Energy(ΔHf)
-0.2606
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.
Mn3Al9Si — Properties & Data | MatWorld