High Temperature Ceramic Foam

Refractory metals and ceramics can then be infiltrated into the foam to tailor the material properties for specific applications.

High temperature ceramic foam.

For example the typical heat resistant material made of foam ceramics is heat resistant brick which is made of zro2 sic silicon nitride si3n4 and magnesia material and its use temperature as high as 1600. At present the best insulation in the world is this kind of material called super insulation which is used for the insulation of the outer shell of the space shuttle. The foam can be used not only for thermal insulation but for a variety of other applications. Tecfoam tm is a high purity alumina ceramic foam with closed cellular structure low density high strength and excellent thermal shock resistance giving its an important role in high temperature insulation applications.

2000ºf white hot parts can be immersed in water with out cracking. 310m ceramic foam is composed of over 99 pure fused silica ceramic and offers low thermal expansion andconductivity high thermal shock resistance and high thermal reflectance. The foams may consist of several ceramic materials such as aluminium oxide a common high temperature ceramic and gets insulating properties from the many tiny air filled voids within the material. Ultramet pyrolyzes a polymer foam to create a reticulated vitreous carbon foam that has unique physical thermal and electric properties.

It is easily cut sawed and drilled. Manufacturing techniques include impregnating open cell polymer foams internally with ceramic slurry and then firing in a kiln leaving only ceramic material. Closed cell metal foams are primarily used as an impact absorbing material. Ceramic foam is a tough foam made from ceramics.

Impregnate polyurethane foam of desired pore size with resin.