01 Skōrunuma kua whakatōkia
Ko te kōrundum kua whakatōkia, e mōhiotia ana ko te alumina kua whakatōkia, ko te alumina haurua-rewa rānei, he klinker ātete-wai i hangaia mai i te alumina kua whakatōkia, i te alumina ahumahi rānei hei rauemi mata, i hurihia hei pōro, hei tinana matomato rānei, ā, i whakatōkia ki te pāmahana teitei o te 1750 ~ 1900°C.
Ko te alumina kua whakatōkia kei roto neke atu i te 99% o te waikura konumohe, he mea hanga te nuinga mai i te korundum pai-kikorangi ōrite kua honoa tika. Kei raro iho i te 3.0% te tere tukunga hau, ka eke te mātotoru rōrahi ki te 3.60%/mita pūtoru, he tata te ātete ki te ira rewa o te korundum, he pai te pumau o te rōrahi me te pumau matū i ngā pāmahana teitei, ā, kāore e memeha i te hau whakaiti, te karāhe rewa me te konganuku rewa. , he kaha miihini pai me te ātete kakahu i te pāmahana noa me te pāmahana teitei.
02Kōrunuma Whakakotahi
Ko te kōrundum hanumi he kōrundum horihori i hangaia mā te whakarewa i te paura alumina parakore i roto i te oumu hiko pāmahana teitei. He āhuatanga tōna o te ira rewa teitei, te kaha miihini teitei, te ātete pai ki ngā ru wera, te ātete kaha ki te waikura me te tauwehenga whānui iti. Ko te kōrundum hanumi he rauemi mata mō te hanga rauemi ātete motuhake kounga teitei. Ko te nuinga o te wā ko te kōrundum mā hanumi, te kōrundum parauri hanumi, te kōrundum mā-iti, me ētahi atu.
03Korunuma Ma Kua Whakakotahitia
He mea hanga te kōrunuma mā kua hanumihia mai i te paura alumina parakore, ā, ka whakarewahia i te pāmahana teitei. He mā te tae. Ko te tukanga whakarewa o te kōrunuma mā he tukanga whakarewa me te whakakōkī anō i te paura alumina ahumahi, ā, kāore he tukanga whakaiti. Kāore e iti iho i te 9% te ihirangi Al2O3, ā, he iti rawa te ihirangi poke. He paku iti ake te pakeke i te kōrunuma parauri, ā, he paku iti iho te pakari. He maha ngā wā e whakamahia ana hei hanga taputapu whakakoi, uku motuhake me ngā rauemi ātete matatau.
04Kōrunuma Parauri Kua Whakaranua
Ko te kōrunuma parauri kua hanumi he mea hanga mai i te bauxite alumina-teitei hei rauemi mata matua, ā, ka konatunatua ki te kōka (anthracite), ka whakarewaina i roto i te oumu hiko pāmahana-teitei i ngā pāmahana neke atu i te 2000°C. He matotoru te kakano o te kōrunuma parauri kua hanumi, ā, he tino pakeke, ā, he maha ngā wā ka whakamahia ki ngā uku, ki ngā whakarewanga tika me ngā rauemi ātete-uaua matatau.
05Kōrunuma mā-iti
Ka puta te kōrunuma mā te whakarewa hiko i te bauxite taumata motuhake, taumata tuatahi rānei i raro i te hau whakaiti me ngā āhuatanga whakahaere. Ina whakarewahia, tāpirihia te kaiāwhina whakaiti (waro), te kaiāwhina taunga (ngā konganuku rino) me te kaiāwhina tango waro (te unahi rino). Nā te mea he tata te hanganga matū me ngā āhuatanga ā-tinana ki te kōrunuma mā, ka kiia ko te kōrunuma mā-mā. Kei runga ake i te 3.80g/cm3 tōna matotoru papatipu, ā, he iti iho i te 4% tōna poroustanga kitea. He rauemi pai mō te hanga rauemi ātete-pakaru matatau me ngā rauemi ātete-kakahu.
06Kōruma kōruma
I runga i te kōrunuma mā, ka tāpirihia he 22% chromium, ā, ka hangaia mā te whakarewa i roto i te oumu hiko. He papura-whero te tae. He paku teitei ake te pakeke i te kōrunuma parauri, he rite ki te kōrunuma mā, ā, ko te pakeketanga moroiti ka taea te 2200-2300Kg/mm2. He teitei ake te pakari i te kōrunuma mā, ā, he paku iti iho i te kōrunuma parauri.
07Zirconium Corundum
Ko te kōrundum zirconium he momo kōrundum horihori i hangaia mā te whakarewa i te alumina me te waikura zirconium i te pāmahana teitei i roto i te oumu hiko, te whakatio, te whakamatao, te kuru me te tirotiro. Ko te wāhanga tioata matua o te kōrundum zirconium ko te α-Al2O3, ko te wāhanga tioata tuarua ko te baddeleyite, ā, he iti noa iho te wāhanga karāhe. Ko te āhua me te hanganga tioata o te kōrundum zirconium he mea nui e pā ana ki tōna kounga. Ko ngā āhuatanga o te kōrundum zirconium he pakeke teitei, he pakari pai, he kaha teitei, he kakano matotoru, he kaha huri kaha, he āhuatanga matū pumau, me te ātete pai ki te ru wera. He whānuitia te whakamahinga i roto i ngā ahumahi mea whakakoi me ngā rauemi ātete. E ai ki te ihirangi waikura zirconium, ka taea te wehewehe ki ngā taumata hua e rua: ZA25 me ZA40.
Te wā tuku: 20-Pepuere-2024
