Discontinued (Discontinued) YC2471 Transparent Yttrium Oxide Ceramic, Y2O3

Catalogue Number	YC2471
Density	5.03g/cm3
Shape	Customized
Bending strength	200 MPa
Poisson's Ratio	0.29

Stanford Advanced Materials (SAM) supplies a transparent ceramic yttrium oxide material. The material is used in window applications for infrared, laser and visible light. It operates under conditions of elevated temperature, increased pressure and dust storms.

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Property	_Y2O3	YAG	ALON
Bulk Density (g/cm³)	5.03	4.55	3.72
Flexural Strength (MPa)	200	300	300
Fracture Toughness (MPa)	2.5	2	1.4
Elastic Modulus (GPa)	164	234	317
Poisson's Ratio	0.29	0.23	0.24
Vickers Hardness (GPa)	11	13.4	16
Thermal Conductivity (W/m·K)	14	12	12.6
Coefficient of Thermal Expansion, 25~1000°C	^6~7×10-6	^8×10-6	5.^83×10-6
Grain Size (µm)	0.25~8	0.25~6	0.25~5
Maximum Light Transmittance	81%	84%	80.20%
Refractive Index at 1000 nm	1.95	1.82	1.79
Dielectric Constant	11.8	10.8 (1MHz)	9.9 (1MHz)
Dielectric Loss	^5×10-4	^5×10-4	^<5×10-4
Melting Point (°C)	2430	1950	2165

Performance	Y₂O₃	YAG	ALON
Bulk density(g/cm³)	5.03	4.55	3.72
Flexural strength(MPa)	200	300	300
Fracture toughness(MPa)	2.5	2	1.4
Elastic modulus(GPa)	164	234	317
Poisson ratio	0.29	0.23	0.24
Vickers hardness(GPa)	11	13.4	16
Thermal conductivity(W/m.k)	14	12	12.6
CTE,25~1000°C	6~7×10^-6	8×10^-6	5.83×10^-6
Band	0.25~8um	0.25~6um	0.25~5um
Maximum light transmittance	81%	84%	80.20%
Refractive index n@1000nm	1.95	1.82	1.79
Dielectric constant	11.8	10.8(1MHz)	9.9(1MHz)
Dielectric loss	5×10^-4	5×10^-4	<5×10^-4
Melting point /°C	2430	1950	2165

Discontinued (Discontinued) YC2471 Transparent Yttrium Oxide Ceramic, Y2O3

Transparent Yttrium Oxide Ceramic Description

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