evaporative pattern casting, evaporative pattern process, evaporative-pattern casting, evaporative-foam process, evaporative foam casting, evaporative casting, evaporative-casting process, expanded polystyrene molding, expanded polystyrene casting, expandable pattern casting
valandite tootmine vahtpolüstüroolist või teistest vahtpolümeeridest valamisel valuvormist mitte-eemaldatavaid gaasistuvaid mudeleid kasutades (vt gaasistus; vrd gaasistuvmudeltäppisvalu), an expendable pattern process in which an expendable polystyrene or expanded polymethylmethacrylate pattern surrounded by the unbonded sand, is vaporized during pouring of the molten metal (see: gasif