Ko ngā paraikete muka uku he mea hanga i ngā muka alumina-silica. He mea hanga ēnei muka mai i te huinga o te alumina (Al2O3) me te silica (SiO) i konatunatua ki ētahi atu tāpiringa iti pēnei i ngā mea here me ngā mea here. Ka rerekē te hanganga motuhake o te paraikete muka uku i runga i te kaihanga me te whakamahinga e whakaarohia ana.
Ko te tikanga, he nui te ōrau o te alumina (tata ki te 45-60%) me te silica (tata ki te 35-50%) i roto i ngā paraikete muka uku. Mā te tāpiri i ētahi atu tāpiri ka āwhina i te whakapai ake i ngā āhuatanga o te paraikete, pērā i tōna kaha, tōna ngāwari, me tōna kawe wera.
He mea nui kia mōhiotia kei reira anō ngā mahi motuhakeparaikete muka ukue wātea ana i hangaia mai i ētahi atu rauemi uku, pērā i te zirconia (Zr2) me te mullite (3Al2O3-2SiO2) rānei. Tērā pea he rerekē ngā hanganga o ēnei paraikete, ā, he rerekē hoki ngā āhuatanga kua whakareihia, kua whakaritea mō ngā tono pāmahana teitei.
Wā tuku: Akuhata-09-2023
