A method of coating a geopolymer onto an article

摘要

A method of coating a geopolymer onto an article that is made of high heat applicable material, the method comprising the steps of providing geopolymer paste prepared from reacting fly ash-derived pozzolanic material with an alkaline activator solution; coating the geopolymer paste onto the article; curing the coated article; and sintering the cured article at a temperature ranging from 100°C to 1500°C.