Cte Of Alumina Ceramic

Maximum use temperature c.

Cte of alumina ceramic.

Coefficient of thermal expansion. This material has superb material characteristics such as high electrical insulation high mechanical strength high wear and chemical resistance. It offers a combination of good mechanical properties and electrical properties leading to a wide range of applications. Alumina oxide ceramics al2o3 is the most widely used fine ceramics material.

Learn about product material coefficient of thermal expansion. Aluminas are used in both general use and specialized applications. 1 x 10 6 c. Once fired and sintered it can only be machined using diamond grinding methods.

Alumina aluminium oxide al 2 o 3. 1 x 10 4 to 4 x 10 4. Alumina can be produced in a range of purities with additives designed to enhance properties. Choose professional dilatometry and thermal expansion coefficient cte testing services from mse analytical services.

The raw materials from which this high performance technical grade ceramic is made are readily available and reasonably priced resulting in good value for the cost in fabricated alumina shapes. Volume resistivity 25 c ω cm 10 14. Alumina is one of the most cost effective and widely used material in the family of engineering ceramics. The following values are given for a temperature around 20 c.

Coefficient of thermal expansion. Our dialometry testing services use netzsch dil 402 pc or similar instrument. Property values below are taken from literature and manufacturer sources. Alumina ceramics are commonly subdivided according to their alumina content ranging from 80 to more than 99.

The coefficient of thermal expansion for a material is usually specified over a temperature range because it varies depending on the temperature. Kyocera is the global leading manufacturer of superior precision fine ceramics advanced ceramics. Dilatometry and thermal expansion coefficient cte testing services. Higher purity alumina demonstrates enhanced wear and corrosion resistance creating a continuous scale of various alumina grades compositions and performance.

Cte is usually given in units of um m c or ppm c. Alumina also known as aluminum oxide is a hard wearing advanced technical ceramic material frequently used in a wide variety of industrial applications. Dielectric loss tan δ 1mhz 25 c. Dielectric strength 6 35mm ac kv mm.

Alumina alpha al2o3 99 5 categories. Variations are possible among various commercial grades.