Cte Of Alumina Ceramic

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.

Cte of alumina ceramic.

Cte is usually given in units of um m c or ppm c. Variations are possible among various commercial grades. Alumina aluminium oxide al 2 o 3. Our dialometry testing services use netzsch dil 402 pc or similar instrument.

Dielectric strength 6 35mm ac kv mm. Maximum use temperature c. Dilatometry and thermal expansion coefficient cte testing services. Alumina is one of the most cost effective and widely used material in the family of engineering ceramics.

Higher purity alumina demonstrates enhanced wear and corrosion resistance creating a continuous scale of various alumina grades compositions and performance. Alumina oxide ceramics al2o3 is the most widely used fine ceramics material. 1 x 10 6 c. Alumina also known as aluminum oxide is a hard wearing advanced technical ceramic material frequently used in a wide variety of industrial applications.

The following values are given for a temperature around 20 c. It offers a combination of good mechanical properties and electrical properties leading to a wide range of applications. Alumina alpha al2o3 99 5 categories. Coefficient of thermal expansion.

Dielectric loss tan δ 1mhz 25 c. Choose professional dilatometry and thermal expansion coefficient cte testing services from mse analytical services. Aluminas are used in both general use and specialized applications. Fine ceramics typically have a low coefficient of thermal expansion which indicates their expansion ratio due to changes in temperature.

Alumina can be produced in a range of purities with additives designed to enhance properties. 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. Aluminum oxide al 2 o 3 ceramic properties.

Once fired and sintered it can only be machined using diamond grinding methods. Coefficient of thermal expansion. Volume resistivity 25 c ω cm 10 14. Alumina ceramics al o alumina or aluminium oxide al 2 o 3 is a major engineering material.

1 x 10 4 to 4 x 10 4. Alumina ceramics are commonly subdivided according to their alumina content ranging from 80 to more than 99.