Ccrumic refers to all fircd products incl uding pou ery,
hrick. and tile that is primarily composed of clay with different
iJlllo unts of o ther materia ls thaI have a source from soil and
when they lired .produced a hard material. Firing the clay body
to the hanJness of ceramic hody is the next critical stage in
manufm:turing.
To de termine the firing te mperatu re. four lired (450, 600.
850. 1000°C) togc ther with unfin..:d day samples were studied,
usmg XR 0 and STA methods. and then an unidentified tiring
temperature sample was examined. Format ion of new mi ne rals
in the temperature... m("ntioned above and the stage o f
l:arhonah::s e hmin a h~th,;r n,;:»u lt, :-opcl:Lally for tho:»e samples which fired
tl:lllpL:ratur.! is nearly oOt/°C. it is necc:»s.lry 10 usc STA melhod