Thermal Conductivity Sapphire High Temperature

Sapphire is used in analytical applications where combinations of high temperature pressure and hydrofluoric acid species are encountered.

Thermal conductivity sapphire high temperature.

Good thermal conductivity and high heat resistance. It is also used as an insulation material and microwave window. Specific gravity density. Temperature k conductivity w cm k ermal conductivity 0 to 200 k ermal conductivity 0 to 1800 k 0 01 0 1 1 10 100 1000 0 200 400 600 800 1000 1200 1400 1600 1800 absorption coe cient vs wavelength 500 c 1000 c.

High pressure seals and valves. Single crystal sapphire is used as a material for substrates in super high frequency regions. The high temperature performance of sapphire is combined with broad spectral range in this application. Mechanical chemical thermal and more all listed out in plain english.

Silicon carbide sc1000 200. 13 10 6 c 0 57 µm 20 c. The thermal conductivity of a material is a measure of its ability to conduct heat it is commonly denoted by or. Single crystal single crystal sapphire is used for various kinds of vacuum equipment windows in excellent thermal conductivity at low temperatures allows single crystal sapphire as a.

Learn more about the thermal conductivity of sapphire substrates sapphire wafers sapphire properties and crystal structure from valley design. Guild optics is a manufacturer of sapphire substrates. The properties of sapphire. Thermal conductivity on the other hand is a ratio of the flow of heat through a given thickness of material to the temperature difference across this thickness.

Excellent thermal conductivity at low temperatures allows single crystal sapphire as a transparent material to be used in many diverse fields requiring thermal conduction and heat radiation. 4 5 10 6 k 1 and 1000 c. Sapphire optical and thermal properties graphs r6. Ceramics with high or low thermal conductivity can be selected from our materials list.

Heat transfer occurs at a lower rate in materials of low thermal conductivity than in materials of high thermal conductivity. Aluminum nitride an216a 150. Temperature coefficient of refractive index. Information of silicon carbide.

It turns out that thermal conductivity is directional just like refractive index in all but isotropic isometric or amorphous materials.