Porous geopolymer precursors were firstly prepared by the direct foaming method using
bauxite, fly ash (FA), and metakaolin (MK) as raw materials, and porous mullite ceramics …

Highly porous geopolymers, with homogeneous microstructure, open cells and porosity up
to 80 vol%, were fabricated by gel-casting, a process commonly used to produce ceramic …

This paper describes a facile and effective method for fabrication of open-cell ceramic foam
derived from geopolymer precursor through replica technique. The polyurethane sponge …

Recently, the production of clean binding materials without energy consumption and CO 2
emission has paid a great attention. In-situ formation of geopolymer foams through addition …

Porous mullite ceramics with a fully closed-cell structure were fabricated by direct
coagulation casting (DCC) using fly ash hollow spheres (FAHSs) as the non-sacrificial pore …

Porous mullite ceramics were prepared via foam-gelcasting using industrial grade mullite
powder as the main raw materials, Isobam-104 as the dispersing and gelling agent, sodium …

High-strength self-reinforced porous mullite ceramics were prepared via foam-gelcasting
using mullite powder as a main raw material, AlF 3· 3H 2 O (0–8 wt%) as an additive, Isobam …

Mullite ceramic foams with high structural complexity, controlled pore structures and low
thermal conductivity were manufactured by selective laser sintering (SLS) using core-shell …

In this study, four mullite foam ceramics with porous struts and low thermal conductivities,
were prepared by direct-foaming method from white clay and industrial alumina with the …

The unique structure and excellent properties of porous materials enhance their prospects
for application as catalyst supports, thermal insulation, and liquid filtration, and within …