ʻO ka hemahema nui loa okalaka siliconhe mea paʻakikī ke sinter!
ʻOi aku ke kumukūʻai o ka Silicon nitride!
He paʻa ʻole ka hopena hoʻololi pae a me ka paʻakikī o ka zirconia a i kekahi manawa he pono. Ke lanakila ʻia kēia pilikia, ʻaʻole wale ka zirconia, akā, ʻo ke kahua keramika holoʻokoʻa paha e loaʻa kahi holomua!
ʻOi aku ka maʻamau a me ke kumu kūʻai o ka alumina, a he kūpaʻa maikaʻi kona i ka mahana.
ʻOi aku ka maikaʻi o ke kūpaʻa ʻana o ka Zirconia ma mua o ka alumina a me ke kiʻekiʻe o ka mahana, akā ʻoi aku ka ʻino o kona kūpaʻa ʻana i ka haʻalulu wela ma mua o ka alumina.
Loaʻa i ka Silicon nitride nā waiwai piha maikaʻi e like me ke kūpaʻa ʻana i ka ʻaʻahu a me ke kūpaʻa ʻana i ka haʻalulu wela, akā ʻoi aku ka haʻahaʻa o ka mahana hoʻohana ma mua o nā mea ʻelua ʻē aʻe. ʻO ke kumu kūʻai nui loa.
ʻO nā keramika alumina nā mea keramika mua loa i hoʻohana ʻia. ʻO ke kumukūʻai haʻahaʻa, ka hana paʻa a me nā huahana like ʻole. ʻO ka mākeke ka alumina nui loa a nui loa, no ke aha? E hoʻohālikelike i nā mea ʻelua hope a e maopopo iā ʻoe.
Hoʻohālikelike nui ʻia ia ma ke ʻano o ka hana a me ke kumukūʻai. A laila kūpono ia mai ka manaʻo o ka mākeke.
Ma ke ʻano o ke kumukūʻai, ʻo ka alumina ka mea makepono loa, a ua oʻo loa ke kaʻina hana hoʻomākaukau ʻana i ka pauka maka. Loaʻa i nā mea hope ʻelua nā hemahema maopopo ma kēia ʻano, ʻo ia kekahi o nā bottlenecks e kāohi ana i ka hoʻomohala ʻana o nā mea hope ʻelua.
Ma ke ʻano o ka hana, ʻoi aku ka maikaʻi o nā waiwai mechanical e like me ka ikaika a me ke kūpaʻa o ka silicon nitride a me ka zirconia ma mua o nā alumina. Me he mea lā kūpono ke kumukūʻai o ka hana, akā ʻo ka ʻoiaʻiʻo he nui nā pilikia.
Mai ka manaʻo o ka zirconia, he kiʻekiʻe kona paʻakikī ma muli o ke alo o nā mea hoʻopaʻa, akā ʻo kona paʻakikī kiʻekiʻe he mea pili i ka manawa. No ka laʻana, ma hope o ka waiho ʻia ʻana o ka mea zirconia i ka lewa no kekahi manawa, e nalowale ana ke kūpaʻa a e hāʻule nui ka hana a i ʻole ka nahā ʻana! !!! !! Eia kekahi, ʻaʻohe pae metastable i ka mahana kiʻekiʻe, no laila ʻaʻohe paʻakikī kiʻekiʻe. No laila, ʻo ka hoʻohana ʻana i ke kiʻekiʻe o ka mahana a me ka mahana o ka lumi hiki ke kaupalena nui i ka hoʻomohala ʻana o ka zirconia. Pono e ʻōlelo ʻia ʻo ia ka mea liʻiliʻi loa o nā mākeke ʻekolu.
I ke kamaʻilio ʻana e pili ana i ka silicon nitride, he keramika kaulana nō hoʻi ia i nā makahiki he iwakālua i hala iho nei, akā ʻoi aku ka paʻakikī o ke kaʻina hana hoʻomākaukau huahana i hoʻopau ʻia ma mua o ka alumina, ʻoi aku ka maikaʻi ma mua o ka zirconia, akā ʻaʻole naʻe i like ka maikaʻi me ka alumina.
Ka manawa hoʻouna: Dec-26-2019