Higher purity alumina demonstrates enhanced wear and corrosion resistance creating a continuous scale of various alumina grades compositions and performance.
Cte of alumina ceramic.
Alumina can be produced in a range of purities with additives designed to enhance properties.
Dilatometry and thermal expansion coefficient cte testing services.
1 x 10 4 to 4 x 10 4.
Maximum use temperature c.
Once fired and sintered it can only be machined using diamond grinding methods.
Alumina ceramics are commonly subdivided according to their alumina content ranging from 80 to more than 99.
Fine ceramics typically have a low coefficient of thermal expansion which indicates their expansion ratio due to changes in temperature.
1 x 10 6 c.
Aluminum oxide al 2 o 3 ceramic properties.
Alumina is one of the most cost effective and widely used material in the family of engineering ceramics.
It offers a combination of good mechanical properties and electrical properties leading to a wide range of applications.
The coefficient of thermal expansion for a material is usually specified over a temperature range because it varies depending on the temperature.
Property values below are taken from literature and manufacturer sources.
Variations are possible among various commercial grades.
Cte is usually given in units of um m c or ppm c.
Coefficient of thermal expansion.
Alumina ceramics al o alumina or aluminium oxide al 2 o 3 is a major engineering material.
Dielectric loss tan δ 1mhz 25 c.
Alumina alpha al2o3 99 5 categories.
Alumina oxide ceramics al2o3 is the most widely used fine ceramics material.
Volume resistivity 25 c ω cm 10 14.
Kyocera is the global leading manufacturer of superior precision fine ceramics advanced ceramics.
Our dialometry testing services use netzsch dil 402 pc or similar instrument.
Alumina also known as aluminum oxide is a hard wearing advanced technical ceramic material frequently used in a wide variety of industrial applications.
Learn about product material coefficient of thermal expansion.
Alumina aluminium oxide al 2 o 3.
This material has superb material characteristics such as high electrical insulation high mechanical strength high wear and chemical resistance.
The following values are given for a temperature around 20 c.
Dielectric strength 6 35mm ac kv mm.
Aluminas are used in both general use and specialized applications.