SiAlN3

metal
· SiAlN3

Silicon aluminum nitride (SiAlN₃) is a ceramic compound belonging to the nitride family, combining silicon, aluminum, and nitrogen to form a hard, refractory material. It is primarily of research and development interest as a potential high-temperature structural ceramic, with applications being explored in aerospace engines, wear-resistant components, and high-temperature structural applications where its thermal stability and hardness could provide advantages over conventional alumina or silicon nitride. The material represents an intermediate composition in the Si–Al–N phase space and is notable for potentially combining the hardness and thermal properties of silicon nitride with the lower density and oxidation resistance benefits of aluminum nitride.

High-temperature structural ceramicsAerospace engine componentsWear-resistant coatingsRefractory applicationsAdvanced composite reinforcement

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
2.939
μB—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
2.280
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.