YAl2Si2

metal

· YAl2Si2

YAl2Si2 is an intermetallic compound combining yttrium, aluminum, and silicon, belonging to the rare-earth metal silicide family. This material is primarily of research and developmental interest rather than established commercial production, explored for potential applications requiring thermal stability and corrosion resistance at elevated temperatures. Its use in engineering remains experimental, with investigation focused on aerospace and high-temperature structural applications where rare-earth reinforcement phases could enhance performance in ceramic matrix composites or advanced metallic systems.

high-temperature structural compositesaerospace materials researchceramic matrix reinforcementthermal barrier systemsexperimental intermetallics

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1172	lb/in³	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	—
↳	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-14.21	µV/K	—

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, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.4190	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.

YAl2Si2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control