Y4 Al4 O12 — Properties & Data | MatWorld

Y4 Al4 O12

ceramic

· Y4 Al4 O12

Y4Al4O12 is a rare-earth aluminum oxide ceramic compound containing yttrium, belonging to the family of yttrium aluminate ceramics used in high-temperature applications. This material is primarily investigated for thermal barrier coatings, optical ceramics, and advanced refractory applications where resistance to thermal cycling and chemical attack are critical; it competes with more established compositions like YAG (yttrium aluminum garnet) and yttria-stabilized zirconia for specialized thermal and optical roles.

thermal barrier coatingshigh-temperature ceramicsoptical componentsrefractory materialsaerospace thermal protectionresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.635	eV/atom	DFT · OptB88vdW

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Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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.

Y4 Al4 O12

Other Properties

Regulatory Screening

Environmental