Thermal Conductivity Sapphire High Temperature

Temperature coefficient of refractive index.

Thermal conductivity sapphire high temperature.

4 5 10 6 k 1 and 1000 c. 40 w m k 298 k. 23 0 w m c at 77 c. Single crystal sapphire is used as a material for substrates in super high frequency regions.

Learn more about the thermal conductivity of sapphire substrates sapphire wafers sapphire properties and crystal structure from valley design. Aluminum nitride an216a 150. Good thermal conductivity and high heat resistance. Heat transfer occurs at a lower rate in materials of low thermal conductivity than in materials of high thermal conductivity.

Thermal conductivity w m x k at 300k. It turns out that thermal conductivity is directional just like refractive index in all but isotropic isometric or amorphous materials. The properties of sapphire. High pressure seals and valves.

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. Information of silicon carbide. Specific gravity density. The thermal conductivity of a material is a measure of its ability to conduct heat it is commonly denoted by or.

13 10 6 c 0 57 µm 20 c. Sapphire optical and thermal properties graphs r6. 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. Sapphire is used in analytical applications where combinations of high temperature pressure and hydrofluoric acid species are encountered.

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. Silicon carbide sc1000 200. Guild optics is a manufacturer of sapphire substrates. 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.

Ceramics with high or low thermal conductivity can be selected from our materials list.