Ma ka mākeke, ʻoi aku ka maʻa o mākou me nā mea seramika kūikawā: silicon carbide, alumina, zirconia, silicon nitride. Ke koi piha nei ka mākeke, e kālailai i ka pono o kēia mau ʻano mea like ʻole.
Loaʻa i ka Silicon carbide nā pono o ke kumukūʻai haʻahaʻa, ke kūpaʻa maikaʻi i ka erosion, ka ikaika kiʻekiʻe, ʻo ka hemahema nui loa ka maʻalahi o ka oxidize, a paʻakikī ke sintering. ʻO Alumina ka mea makepono loa, a ua oʻo loa ke kaʻina hana hoʻomākaukau o nā mea maka pauka, ʻoiai ʻo ka zirconia a me ka silicon nitrous oxide he mau hemahema maopopo i kēia ʻano, ʻo ia kekahi o nā bottlenecks e kāohi ana i ka hoʻomohala ʻana o nā mea hope ʻelua. ʻO Silicon nitride, ʻoi aku ka nui o ke kumukūʻai.
Ma ke ʻano o ka hana, ʻoiai ʻoi aku ka ikaika, ka paʻakikī a me nā waiwai mechanical ʻē aʻe o ka silicon nitride a me ka zirconia ma mua o ka alumina, me he mea lā kūpono ka hana kumukūʻai, akā ʻo ka ʻoiaʻiʻo he nui nā pilikia. ʻO ka mea mua mai ka zirconia, he paʻakikī kiʻekiʻe kona, ʻo ke kumu o ka loaʻa ʻana o ka stabilizer, akā ʻo kona paʻakikī kiʻekiʻe he manawa kūpono ia, ʻaʻole hiki ke hoʻohana ʻia i ka mahana kiʻekiʻe a me ka mahana o ka lumi e kaupalena nui i ka hoʻomohala hewa ʻana o ka oxidation, pono e ʻōlelo ʻia ʻo ia ka mea liʻiliʻi loa o nā ʻekolu ma ka mākeke. A ʻo ka silicon nitride, he keramika kaulana hoʻi i nā makahiki he iwakālua i hala iho nei, maikaʻi ka ikaika o ka haʻalulu wela a me nā hana piha ʻē aʻe, akā ʻoi aku ka haʻahaʻa o ka hoʻohana ʻana i ka mahana ma mua o nā mea ʻelua ʻē aʻe; ʻOi aku ka paʻakikī o ke kaʻina hana hoʻomākaukau o ka silicon nitride ma mua o ka alumina, ʻoiai ʻoi aku ka maikaʻi o ka hoʻopili ʻana o ka silicon nitride phase ma mua o ka zirconia, akā ʻaʻole maikaʻi ka hoʻohālikelike holoʻokoʻa e like me ka alumina.
ʻO ke kumu kūʻai haʻahaʻa, ka hana paʻa, ka hoʻolaha ʻana o nā huahana o nā alumina keramika ua lilo i hoʻohana mua ʻia, a ua hoʻohana ʻia i kēia manawa nā keramika kūikawā.
Ka manawa hoʻouna: Ian-22-2022