SOL-GEL PROCESS FOR MANUFACTURING A PRECURSOR GEL, A XEROGEL AND A YTTRIUM AND ALUMINUM GARNET POWDER AND THEIR USE TO FORM ARTICLES

摘要

The object of the present invention relates to a sol-gel process for the manufacture of a wet gel, a xerogel and a powder of yttrium aluminum garnet. Another object is an extrusion paste comprising the aforementioned wet gel, xerogel or powder. The invention further relates to the use of a wet gel, a xerogel, a powder of yttrium aluminum garnet or an extrusion paste comprising a wet gel, a xerogel. or a powder of yttrium aluminum garnet for making an article, preferably by extrusion, micro-extrusion or wire deposition printing as well as said article.