Hoʻomaka, noi a me ke kaʻina hana o ka corundum keʻokeʻo
Keʻokeʻo Fused Alumina (WFA)ʻO ia ka mea abrasive artificial i hana ʻia me ka pauka alumina ʻoihana e like me ke kumu kumu nui, i hoʻomaʻamaʻa ʻia a crystallized ma hope o ka hoʻoheheʻe ʻana o ka wela wela. ʻO kāna mea nui he alumini oxide (Al₂O₃), me ka maʻemaʻe ma mua o 99%. He keʻokeʻo, paʻakikī, ʻoʻoleʻa, a maikaʻi loa ke kūpaʻa wela kiʻekiʻe, ke kūpaʻa corrosion a me nā waiwai insulation. ʻO ia kekahi o nā abrasives i hoʻohana nui ʻia.
1. Hoʻolauna Huahana
ʻO ka corundum keʻokeʻo he ʻano corundum artificial. Ke hoʻohālikelike ʻia me ka corundum brown, he haʻahaʻa haʻahaʻa ka haumia, ʻoi aku ka paʻakikī, ʻoi aku ka keʻokeʻo, ʻaʻohe silica manuahi, a ʻaʻohe pōʻino i ke kino kanaka. He kūpono loa ia no nā hanana kaʻina me nā koi kiʻekiʻe no ka maʻemaʻe abrasive, kala a me ka hana wili. ʻO ka corundum keʻokeʻo he Mohs paʻakikī a hiki i ka 9.0, ʻelua wale nō i ka daimana a me ka carbide silika. Loaʻa iā ia nā waiwai hoʻomaʻamaʻa ponoʻī, ʻaʻole maʻalahi e pili i ka ʻili o ka mea hana i ka wā e wili ai, a he wikiwiki ka wela. He kūpono ia no nā ʻano hana maloʻo a me ka pulu.
2. Nā noi nui
Ma muli o kona mau waiwai kino a me ka kemika, hoʻohana nui ʻia ka corundum keʻokeʻo i nā māla kiʻekiʻe, me ka ʻaʻole i kaupalena ʻia i kēia mau ʻano:
Nā mea hana abrasive a me ka wili
Hoʻohanaʻia ia no ka hanaʻana i nā huila wili seramika, nā huila wili resin, ka lole emery, ka pepa one, nā pads wili, nā paʻi wili, a me nā mea'ē aʻe.
Sandblasting a poni
He kūpono ia no ka hoʻomaʻemaʻe ʻana i ka metala, ka wehe ʻana i ka ʻōpala, ka hoʻoikaika ʻana i ka ʻili a me ka mālama matte. Ma muli o kona paʻakikī kiʻekiʻe a me nā mea ʻawaʻawa ʻole a me ka pōʻino ʻole, hoʻohana pinepine ʻia no ka sandblasting a me ka polishing o nā mold precision a me nā huahana stainless steel.
ʻO nā mea hoʻopaʻa
Hiki ke hoʻohana ʻia e like me ka aggregate a i ʻole ka pauka maikaʻi o nā brick refractory advanced, castables, a me nā mea hoʻolei. Hoʻohana nui ʻia ia i nā wahi wela kiʻekiʻe e like me ke kila, non-ferrous metal smelting kiln linings, glass kilns, etc.
ʻoihana uila/opika
Hoʻohana ʻia ia no ka hana ʻana i nā seramika maʻemaʻe kiʻekiʻe, ka wili aniani optical, LED sapphire substrate polishing, semiconductor silicon wafer hoʻomaʻemaʻe a me ka wili ʻana, a me nā mea ʻē aʻe, a koi ʻia ka pauka corundum keʻokeʻo ultrafine kiʻekiʻe.
Mea hoʻopiha hana
Hoʻohana ʻia i loko o ka lāʻau, plastic, coating, ceramic glaze a me nā ʻoihana ʻē aʻe e hoʻomaikaʻi i ka pale ʻana i ka lole, ke kūpaʻa wela a me ka hana insulation o nā mea.
3. Kaʻina hana
ʻO ke kaʻina hana o ka corundum keʻokeʻo he koʻikoʻi a ʻepekema, ʻoi aku ka nui o kēia mau ʻanuʻu nui:
Hoʻomākaukau mea maka
E koho i ka pauka alumina ʻoihana hoʻomaʻemaʻe kiʻekiʻe (Al₂O₃≥99%), pale a hoʻāʻo kemika i nā mea maka e hōʻoia i ka haʻahaʻa haʻahaʻa o ka haumia a ua like ka nui o ka ʻāpana.
Heheʻe ʻaaka
E hoʻokomo i ka pauka alumina i loko o ka umu ahi arc ʻekolu a hoʻoheheʻe ʻia ma kahi wela kiʻekiʻe ma kahi o 2000 ℃. I ka wā o ka hoʻoheheʻe ʻana, ua wela nā electrodes e hoʻoheheʻe loa i ka alumina a hoʻoneʻe i nā mea haumia e hana i kahi hoʻoheheʻe corundum maʻemaʻe.
Hoʻomālili crystallization
Ma hope o ka hoʻoheheʻe ʻia ʻana o ka hoʻoheheʻe ʻana, hoʻoheheʻe maoli ia e hana i nā kristal corundum keʻokeʻo blocky. ʻO ka hoʻomaha mālie e kōkua i ka hoʻomohala ʻana i nā kīʻaha a me ka hana paʻa, ʻo ia kahi loulou kī e hōʻoia i ka maikaʻi o ka corundum keʻokeʻo.
ʻO kaʻohiʻana a me ka hoʻokaʻawale magnetic
Hoʻopili ʻia nā kristal corundum maloʻo a ʻoki ʻia e nā mea hana mechanical, a laila wehe ʻia nā mea haumia e like me ka hao e ka hoʻokaʻawale magnetic ikaika e hōʻoia i ka maʻemaʻe o ka huahana i hoʻopau ʻia.
ʻO ka ʻohi ʻana a me ka nānā ʻana
E hoʻohana i nā wili pōleʻa, nā wili ea a me nā mea hana ʻē aʻe e ʻoki i ka corundum keʻokeʻo i ka nui o nā ʻāpana i makemake ʻia, a laila e hoʻohana i nā mea nānā pono kiʻekiʻe no ka helu ʻana i ka nui o nā ʻāpana e like me nā kūlana honua (e like me FEPA, JIS) no ka loaʻa ʻana o ke one a i ʻole ka pauka micro o nā kikoʻī like ʻole.
Hoʻomaʻemaʻe maikaʻi a hoʻomaʻemaʻe (e pili ana i ke kumu)
No kekahi mau noi kiʻekiʻe, e like me ka papa uila a me ka optical grade keʻokeʻo corundum pauka, ka hoʻokaʻawale ʻana o ka ea, pickling a me ka hoʻomaʻemaʻe ultrasonic e hoʻomaikaʻi hou aku i ka maʻemaʻe a me ka nui o ka nui o ka ʻāpana.
Nānā maikaʻi a me ka hoʻopili ʻana
Pono ka huahana i hoʻopau ʻia i kahi ʻano o nā kaʻina hoʻokele maikaʻi e like me ka loiloi kemika (Al₂O₃, Fe₂O₃, Na₂O, a me nā mea ʻē aʻe).
Ma ke ʻano he mea ʻenehana me ka hana maikaʻi loa, hoʻokani ka corundum keʻokeʻo i kahi hana hiki ʻole ke hoʻololi i nā ʻoihana he nui. ʻAʻole ia he ʻelele koʻikoʻi o nā abrasives kiʻekiʻe, akā he kumu kumu nui hoʻi i nā kahua ʻenehana kiʻekiʻe e like me ka mīkini pololei, nā seramika hana, a me nā mea uila. Me ka hoʻomau mau ʻana o ka ʻenehana ʻenehana, ke hoʻomaikaʻi mau nei nā koi o ka mākeke no ka corundum keʻokeʻo, kahi e koi ai i nā mea hana e hoʻomau i nā kaʻina hana, hoʻomaikaʻi i ka hana huahana, a hoʻomohala i ke ala o ka maʻemaʻe kiʻekiʻe, ʻoi aku ka nui o ka ʻāpana, a me ka maikaʻi paʻa.