YSi2Ir2

ceramic

· JVASP-92557· YSi2Ir2

YSi₂Ir₂ is an intermetallic ceramic compound combining yttrium, silicon, and iridium phases, representing an experimental material in the high-temperature ceramic intermetallic family. This compound is primarily of research interest for aerospace and high-performance applications where exceptional hardness, thermal stability, and chemical resistance are required at elevated temperatures. While not yet in widespread production, materials of this composition class are being investigated as potential candidates for thermal barrier coatings, oxidation-resistant components, and structural applications in extreme environments where traditional ceramics or superalloys reach their performance limits.

high-temperature structural applicationsthermal barrier researchoxidation-resistant coatingsaerospace experimental materialsrefractory intermetallicsresearch phase development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	24,386.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4400	-	DFT · OptB88vdW
Shear Modulus(G)	3,981.3	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3635	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000383	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000389	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	9.643	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	9.747	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1764	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.8677	eV/atom	DFT · OptB88vdW

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

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.

YSi2Ir2 — Properties & Data | MatWorld

YSi2Ir2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental