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Rulon Bearings

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Mateck Gallium Arsenide (GaAs)
Categories: Ceramic; Phosphide/Pnictide; Other Engineering Material; Semiconductor

Material Notes: Optical crystals

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Physical PropertiesOriginal ValueComments
Density 5.316 g/cc
@Temperature 20.0 °C
Solubility 0.00 ppm
a Lattice Constant 5.653 Å
Molecular Weight 144.64 g/mol
 
Mechanical PropertiesOriginal ValueComments
Vickers Microhardness 6900MPa
Hardness, Mohs 4.5
Modulus of Elasticity 85.0 GPa
Poissons Ratio 0.31
Shear Modulus 32.4 GPaCalculated
 
Thermal PropertiesOriginal ValueComments
CTE, linear 5.39 µm/m-°C
@Temperature 0.000 - 30.0 °C
Specific Heat Capacity 0.350 J/g-°C
Thermal Conductivity 46.05 W/m-K
@Temperature 25.0 °C
Melting Point 1238 °C
 
Optical PropertiesOriginal ValueComments
Refractive Index 3.34n8.0
 2.41
@Wavelength 19000 nm
 2.82
@Wavelength 14500 nm
 3.34
@Wavelength 8000 nm
IR Transmittance 1.0 %
@Wavelength 900 nm
Internal Transmittance
 2.0 %
@Wavelength 15000 nm
Internal Transmittance
 55 %
@Wavelength 1500 nm
Internal Transmittance
 60 %
@Wavelength 10000 nm
Internal Transmittance
 
Descriptive Properties
Absorption loss (cm^-1)0.26at 8.0 microns
Symmetrycubic
Symmetry Class43m F43m
Transmission Range (microns)1 - 15

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CMAT042 / 87726

Master Bond adhesives

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