In this paper, several specimens from unsaturated poly ester resin with different
filler materials such as (Fe2O3, CaCO3, CaO, Cement, Ca(OH)2( have been
prepared. Three weight percent have been used as (10%,20%, and 30% wt)from each
filler materials. Casting samples are grinded by 800 grit using SiC grinding paper and
then washed by distilled water. Dry sliding wear has been done using pin on desk
test in different period of wear time as (5,10,15,20,25,30 min). it has been shown that
addition of cement with percent (10 % wt) get lower wear rate for unsaturated
polyester resin. |