Thermal Conductivity Sapphire High Temperature

13 10 6 c 0 57 µm 20 c.

Thermal conductivity sapphire high temperature.

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. Thermal conductivity w m x k at 300k. Single crystal sapphire is used as a material for substrates in super high frequency regions. Aluminum nitride an216a 150.

It turns out that thermal conductivity is directional just like refractive index in all but isotropic isometric or amorphous materials. Mechanical chemical thermal and more all listed out in plain english. Good thermal conductivity and high heat resistance. Learn more about the thermal conductivity of sapphire substrates sapphire wafers sapphire properties and crystal structure from valley design.

Specific gravity density. 4 5 10 6 k 1 and 1000 c. Guild optics is a manufacturer of sapphire substrates. Heat transfer occurs at a lower rate in materials of low thermal conductivity than in materials of high thermal conductivity.

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. Sapphire optical and thermal properties graphs r6. The high temperature performance of sapphire is combined with broad spectral range in this application. 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.

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. Silicon carbide sc1000 200. It is also used as an insulation material and microwave window. The thermal conductivity of a material is a measure of its ability to conduct heat it is commonly denoted by or.

Sapphire is used in analytical applications where combinations of high temperature pressure and hydrofluoric acid species are encountered. The properties of sapphire. Temperature coefficient of refractive index. Ceramics with high or low thermal conductivity can be selected from our materials list.

23 0 w m c at 77 c.