Nā Hoʻohana Hou o ka Green Silicon Carbide Micropowder i ka ʻOihana Ceramics
Ua hana ʻo Lao Zhang i nā keramika no nā makahiki he 30 a ʻoi. ʻO kāna pilikia nui loa, ʻo ia ka nui o ka hua. ʻO kahi kūlike ʻole iki i ka kaohi ʻana i ka mahana i ka wā e puhi ai i ka umu hiki ke hopena i nā māwae a me nā ʻano ʻē i loko o ka huahana. I nā makahiki i hala iho nei, ua hoʻomaka kāna hale hana e hoʻohana i kahi mea i kapa ʻia ʻo "pauka microcarbide silicon ʻōmaʻomaʻor," a ua loli nui nā mea. "He mea kupaianaha maoli nō ia," wahi āna. "Ua like ia me ka hoʻohui ʻana i ka MSG i kahi kīʻaha—hoʻonui ia i ka ʻono a mālama i ke kūlike."
ʻO ka pauka silicon carbide ʻōmaʻomaʻo he pauka ʻōmaʻomaʻo maikaʻi loa me ka paʻakikī kiʻekiʻe, ke kūpaʻa i ka mahana kiʻekiʻe, a me nā waiwai kemika paʻa loa. I hoʻohana mua ʻia no nā abrasives, refractories, a me ka ʻoki semiconductor, ʻaʻohe mea i manaʻo i kona hoʻi hou ʻana i ka ʻoihana keramika. Eia naʻe, ua hoʻomaka mālie ia i nā ala hou he nui i ka ʻoihana keramika i nā makahiki i hala iho nei.
1. No ke aha i noʻonoʻo ʻole ai au i kēia ma mua? — ʻO ka “masterstroke” o ka hoʻololi ʻana o ka micropowder
ʻIke ʻia paha he maʻalahi nā keramika, akā he paʻakikī maoli nō lākou. Hiki i nā kino keramika kuʻuna ke emi like ʻole i ka wā e maloʻo ai a me ka sintering, e alakaʻi ana i ka nahā. Nahā pinepine nā glazes ma muli o nā coefficients hoʻonui wela kūpono ʻole. ʻO ka ʻokoʻa nui i lawe ʻia e ka hoʻohui ʻana o ka silicon carbide micropowder ʻōmaʻomaʻo ʻo ia ka hoʻomaikaʻi ʻana i ke kūpaʻa.
Ma muli o kona paʻakikī kiʻekiʻe a me ka nui o nā ʻāpana liʻiliʻi, ʻo kona hoʻokomo ʻia ʻana i loko o ke kino e hoʻopiha pono i nā hakahaka a hana i kahi ʻano paʻa. Ma nā ʻōlelo a kekahi mea hana lima akamai, "Ua like ia me ka kāwili ʻana i ka palaoa no nā minuke he ʻumi hou aku—hoʻolilo ia i mea nau." Eia kekahi,carbide silicon ʻōmaʻomaʻo ʻO ka conductivity thermal maikaʻi loa o ka micropowder e hōʻoiaʻiʻo ana i ka hoʻolaha like ʻana o ka mahana i loko o ka umu, e hōʻemi ana i ka pilikia o ka wela nui ʻana a i ʻole ke ahi ʻana ma lalo. Ua like ia me nā buns mahu i loko o kahi kapuahi wahie, kahi i paʻakikī ke kaohi. I kēia manawa, hāʻawi nā mahu hou i kahi koho maʻalahi, akā maikaʻi.
2. ʻOi aku ia ma mua o kahi "mea hoʻoikaika" wale nō, akā he hiʻohiʻona "hoʻoikaika" nō hoʻi.
Eia nō naʻe, ʻo ka noʻonoʻo ʻana i ka silicon carbide micropowder ʻōmaʻomaʻo he "mea hoʻoikaika" wale nō ia he hoʻohaʻahaʻa nui ia. ʻAʻole i kaupalena ʻia nā hale hana keramika o kēia lā i ka hana ʻana i nā kīʻaha, nā kīʻaha, a me nā ipu hao wale nō. Ke lilo nei nā huahana kiʻekiʻe e like me nā keramika kūkulu, nā keramika uila, a me nā keramika pale ʻaʻahu i mea kaulana, a ua hoʻokani maoli ka silicon carbide micropowder ʻōmaʻomaʻo i ke kuleana o kahi "loea ma waena o nā palena."
Eia kekahi laʻana, pono nā substrates keramika uila i ka conductivity thermal kiʻekiʻe, ka insulation kiʻekiʻe, a me ka hoʻonui haʻahaʻa; ʻoiai he ʻokoʻa iki hiki ke hoʻopilikia i ke ola o nā ʻāpana. ʻO ka hoʻohui ʻana i kahi nui kūpono o ka silicon carbide micropowder ʻōmaʻomaʻo e hoʻomaikaʻi nui ʻaʻole wale i ka ikaika mechanical akā i ka conductivity thermal. "Ua like ia me ke kau ʻana i kahi ʻaʻahu ea-conditioned ma ka papa kaapuni," wahi a kekahi ʻenekinia.
ʻO kekahi laʻana, ʻo ia nā keramika kūpaʻa i ke komo ʻana. Hoʻohana pinepine ʻia nā uhi keramika i nā mīkini mining a me nā lako hana mana wela. Ma mua, ua komo koke nā keramika alumina a pono e hoʻololi pinepine ʻia. ʻO ka hoʻohui ʻana o ka silicon carbide micropowder ʻōmaʻomaʻo i hoʻonui nui i ka paʻakikī a me ke kūpaʻa ʻana o nā keramika, e hoʻolōʻihi ana i ko lākou ola lawelawe ma mua o 30%.
3. ʻO ka ʻokoʻa ma waena o ka "earthiness" a me ka "ʻenehana" he wahi liʻiliʻi wale nō o ka micropowder
He mea paʻakikī paha ke noʻonoʻo i nā keramika, i manaʻo ʻia he ʻoihana kuʻuna o ka "lepo a me ke ahi," ke apo mālie nei i ka ʻenehana kiʻekiʻe. ʻO ka pauka silicon carbide ʻōmaʻomaʻo kekahi o nā mea hoʻoulu koʻikoʻi i hoʻololi i nā keramika mai ka "rustic" a i ka "high-tech."
Eia kekahi laʻana, ke hoʻokolohua nei kekahi mau ʻoihana me ka paʻi 3D e hana i nā ʻāpana keramika paʻakikī. Hoʻopau pinepine kēia mau kaʻina hana ma muli o ka emi nui ʻana i ka wā o ka paʻi ʻana. ʻO ka hoʻohui ʻana i ka micropowder silicon carbide ʻōmaʻomaʻo i ka slurry keramika e hoʻomaikaʻi nui i ka moldability a me ke kūpaʻa sintering o nā ʻāpana i paʻi ʻia, e hiki ai i nā ʻāpana keramika maikaʻi ke paʻi pono ʻia i hoʻokahi manawa.
ʻO kekahi laʻana, ʻo ia nā ʻāpana kānana keramika aloha i ke kaiapuni. I ka mālama ʻana i ka wai hoʻoneoneo ʻoihana a i ʻole ke kinoea hoʻopau, ua maʻalahi nā kānana keramika kuʻuna i ka paʻa ʻana a nele i ka ikaika. ʻO ka hoʻohui ʻana o ka micropowder silicon carbide ʻōmaʻomaʻo e hopena i nā ʻāpana kānana me nā pores like, nā waiwai mechanical i hoʻomaikaʻi ʻia, a me ka hoʻoikaika ʻana i ke kūpaʻa kemika, e hoʻolilo ana iā lākou i "ikaika a paʻa."
4. ʻOiai he mau pilikia maoli nō, ke neʻe nei ke ala i mua.
ʻOiaipauka micropoda silicon carbide ʻōmaʻomaʻohe mea hoʻohiki, ʻaʻole ia he panacea. ʻO ka pilikia nui i kēia manawa, ʻo ia ke kumukūʻai. ʻO ka pauka silicon carbide ʻōmaʻomaʻo kiʻekiʻe-maʻemaʻe e mau ana ke kumukūʻai, e paʻakikī ai ka hoʻohana nui ʻana no nā ʻoihana e hana ana i nā keramika waena a me nā haʻahaʻa.
ʻO ka lua o ka pilikia, ʻo ia ka hiki ke hoʻololi i ke kaʻina hana. Pono nā ʻano hana keramika like ʻole a me nā ʻōnaehana puhi i nā koi kikoʻī no ka nui o nā ʻāpana a me ka nui o nā micropowders. ʻAʻole hiki ke hoʻokō ʻia ka holomua ma ka "hoʻolei wale ʻana i loko o ke kāwele." Pono ia i ka hoʻāʻo nui a me ka hewa, a pono nō hoʻi nā hoʻololi i nā laina hana e kū nei. "Pono ʻoe e hele i ke kahawai ma ka hoʻopā ʻana i nā pōhaku, akā i ka manawa e loaʻa ai iā ʻoe ka pololei, e ʻoi aku ka laulā o ke alanui," wahi a kekahi luna hana.
Eia nō naʻe, ʻoi aku ka nui o nā ʻoihana e makemake e hoʻopukapuka i ka noiʻi a me ka hoʻomohala ʻana, a ua hoʻokuʻu ʻia nā micropowders silicon carbide ʻōmaʻomaʻo kiʻekiʻe i hana ʻia ma ka home. Ke lilo nei nā kumukūʻai i mea kūpono, a ke ulu nei ka ʻenehana noi.
5. Hopena: Pauka liʻiliʻi, wā e hiki mai ana
Ke nānā nei i hope, ʻo ka hoʻohana ʻana o ka micropowder silicon carbide ʻōmaʻomaʻo i ka ʻoihana keramika he laʻana maʻamau ia o ka "hana hou o nā mea e hoʻokele ana i ka hoʻonui ʻana i ka ʻoihana." Ma mua o ka hana hou ʻana i ka huila, hoʻomaikaʻi a hoʻohui i nā kaʻina hana e kū nei, e hoʻoulu ana i ke ola hou i loko o ka hana lima kuʻuna.
E like me ka ʻōlelo a kekahi loea ʻoihana, "Ua ulu a ua noho mau nā keramika i ka loli no nā tausani makahiki. ʻO ka lepo like nō ia, ʻo ke ahi like nō ia, akā ʻo ka hoʻohui ʻana i kahi mea hou e hoʻokumu i nā mea hou."
Malia paha penei ka hana hou maoli: ʻaʻole pono ia e hoʻohiwahiwa i ka honua, pono wale nō e kūpono. ʻO ka pauka silicon carbide ʻōmaʻomaʻo kēia hanana—ke hoʻololi mālie nei ia a me ka ʻike ʻole ʻia i ke ʻano a me ka hopena o nā keramika.
ʻOi aku ka māmā, ka paʻakikī, a me ke akamai o nā keramika o ka wā e hiki mai ana. A ʻo nā "koa ʻike ʻole ʻia" e like me ka silicon carbide micropowder ʻōmaʻomaʻo e lawe mai iā mākou i nā mea kupanaha hou aʻe.