Machining Properties Of Cordierite

Cordierite is a magnesium alumino silicate material characterized by its ability to work at high temperatures and offers good thermal shock resistance.

Chemical Formula of Cordierite

The chemical of Cordierite is provided in the table below:

Property Value*
Chemical Formula 2MgO-2Al2O3-5SiO2

* All properties are at room temperature unless otherwise noted.

Mechanical Properties of Cordierite

The mechanical properties of Cordierite are mentioned in the table below:

Property Value*
Density 2.5 gm/cc
Hardness 7-7.5 Mohs
Tensile Strength 3.5-5.5 kpsi
Modulus of Elasticity 12 x 106 psi
Flexural Strength 8-17 kpsi
Compressive Strength 30-51 kpsi

* All properties are at room temperature unless otherwise noted.

Electrical Properties of Cordierite

The electrical properties of Cordierite are mentioned in the table below:

Property Value*
Dielectric Strength 212 ac V/mil
Dielectric Constant 5(@ 1 MHz)
Volume Resistivity 1011 ohm-cm

* All properties are at room temperature unless otherwise noted.

Thermal Properties of Cordierite

The thermal properties of Cordierite are mentioned in the table below:

Property Value*
Coefficient of Thermal Expansion 1.7-2.4 x 10-6/°C
Thermal Conductivity 3 W/mK
Maximum Working Temperature 500-1100°C

* All properties are at room temperature unless otherwise noted.

About Insaco

If you are considering an engineering application that you feel may be suited to Cordierite then Insaco with 65 years of experience is second to none.

They have many decades of experience on machining and polishing Cordierite materials for a wide range of applications and have been involved in many of the applications above when they were in their infancy.

Presently they have an 85,000 ft2 facility with more than 300 machine tools capable of grinding and polishing glass ceramics and other ceramic materials to useful geometries and tolerances.

This information has been sourced, reviewed and adapted from materials provided by INSACO Inc.

For more information on this source, please visit INSACO Inc.

Comments

  1. Zuhair Shafeeq Zuhair Shafeeq Iraq says:

    Can you tell me if I dopping cordierite with different ratio of copper (0,10,20,30 and 40%) at 700C and 800C for one hour and tow hours
    What happen to Thermal conductivity .Comprssure strenght,porosity , water content,density and hardness for all and why !!!
    thanks
    Dr. Zuhair Ali Safeeq
    Iraq
    Baghdad
    Email adress [email protected]

The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of AZoM.com.

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