Te whakarōpūtanga o te pereki ahi whakamahana māmā mō ngā oumu karāhe 2

I tēnei putanga ka haere tonu mātou ki te whakauru i te whakarōpūtanga o ngā pereki ahi whakamahana māmā mō ngā oumu karāhe.

3. Ukupereki ahi whakamahana māmāHe hua ātete-whakamarumaru tēnei i hangaia mai i te uku ātete-whakamarumaru me te ihirangi Al2O3 o te 30%~48%. Ko tana tukanga whakaputa he tikanga tāpiri tahunga me te tikanga pahuka. He whānuitia ngā whakamahinga o ngā pereki ahi ātete-whakamarumaru uku māmā, ā, ko te nuinga o te wā ka whakamahia hei rauemi ātete-whakamarumaru mō ngā paparanga ātete i roto i ngā oumu ahumahi maha, ina kore e pā ki ngā rauemi rewa. Ko tōna pāmahana mahi he 1200~1400 ℃.
4. Pereki whakamahana waikura konumohe. He tino ātete ahi te hua, he pai hoki te ātete ki ngā ru wera, ā, he mea whakamahi noa hei paparanga whakamahana pāmahana teitei mō ngā oumu. Ko tōna pāmahana mahi he 1350-1500 ℃, ā, ka taea e te pāmahana mahi o ngā hua parakore teitei te eke ki te 1650-1800 ℃. He hua whakamahana ātete wera tēnei i hangaia mai i ngā rauemi mata o te korundum kua hanumi, te alumina kua whakakāhia, me te alumina ahumahi.
5. Pereki mullite māmā. Ko ngā hua whakamahana me ngā hua ātete wera i hangaia mai i te mullite hei rauemi mata matua. He ātete pāmahana teitei ngā pereki whakamahana mullite, he kaha teitei, he iti te kawe wera, ā, ka taea te pā tika ki te mura, ā, he pai mō te whakapuru i ngā oumu ahumahi rerekē.
6. Pereki pōro kōhao konumohe waikura. Ko te nuinga o ngā pereki pōro kōhao konumohe waikura ka whakamahia mō te whakamahinga roa i raro i te 1800 ℃. He pai te pumau matū me te ātete ki te waikura i ngā pāmahana teitei. Ki te whakatauritea ki ētahi atu pereki whakamahana māmā, he teitei ake te pāmahana mahi, he kaha ake, he iti ake te kawe wera o ngā pereki pōro kōhao konumohe. He 50% ~ 60% te iti iho o tōna matotoru i ērā o ngā hua ātete matotoru o te hanganga kotahi, ā, ka taea te tu atu i te pānga o ngā mura pāmahana teitei.