Making Chemically Bonded Phosphate Ceramic

Crossref nora e hipedinger alberto n scian esteban f aglietti magnesia ammonium phosphate bonded cordierite refractory castables.

Making chemically bonded phosphate ceramic.

Wollastonite based chemically bonded phosphate ceramic composites. Cbpcs are synthesized by chemical reactions most of them at. An overview of chemically bonded phosphate ceramics cbpcs that fill the gap between cements and conventional ceramics is provided. Wagh aluminum phosphate ceramics chemically bonded phosphate ceramics 10 1016 b978 008044505 2 50015 6 121 133 2004.

Chemically bonded phosphate ceramics cbpcs are abcs in which the acid component is orthophosphoric acid or a soluble orthophosphate and the resulting ceramic is an insoluble orthophosphate. By henry colorado clem hiel h. The monovalent alkali metal phosphate or ammonium hydrogen phosphate and sparsely soluble oxide are both in powder form and combined in a stochiometric molar ratio. April 9th 2011 published.

Phosphate bonds are found in nature as one of the fundamental blocks of dna structure and in bones and their use in the production of cbpcs for various. Chemically bonded phosphate ceramics are comprised of a mixture of phosphates water metal oxides and minerals. A chemically bonded phospho silicate ceramic formed by chemically reacting a monovalent alkali metal phosphate or ammonium hydrogen phosphate and a sparsely soluble oxide with a sparsely soluble silicate in an aqueous solution. A chemically bonded phosphate ceramic is a type of coating that is used to protect certain types of metals from corrosion.

Phase evolution on heating and mechanical properties cement and concrete. Wagh in chemically bonded phosphate ceramics second edition 2016. Making a chemically bonded phosphate ceramic like ceramicrete using. October 19th 2010 reviewed.

Thomas hahn and jenn ming yang. They host radioactive and hazardous contaminants into their natural phosphate minerals and mimic the way nature has stored them for millions of years. This invention relates to a novel method of decreasing porosity of ceramics produced by sol gel processing. Coupled with further advances in their use as biomaterials these materials have found.

Such combined sol gel chemical bonding process can be used to fabricate dense thick ceramics or. Chemically bonded phosphate ceramics cbpcs are the most natural and hence appropriate materials for immobilization of radioactive and mixed waste streams.