He polycrystalline like ka graphite synthetic me ka crystallography. Nui nā ʻano graphite artificial a me nā kaʻina hana like ʻole.
Ma ke ʻano ākea, hiki ke kapa ʻia nā mea graphite āpau i loaʻa ma hope o ka carbonization o nā mea organik a me ka graphitization ma ke ana wela kiʻekiʻe he graphite artificial, e like me ke kalapona (graphite) fiber, pyrolytic carbon (graphite), foam graphite, a pēlā aku.
Ma ke ʻano haiki, ʻo ka graphite artificial e pili ana i nā mea paʻa nui, e like me ka electrode graphite, graphite isostatic, i hana ʻia e ka batching, mixing, molding, carbonization (i ʻike ʻia ʻo ka roasting i ka ʻoihana) a me ka graphitization, me ka haʻahaʻa o ka haumia o nā mea maka lanahu (petroleum coke, asphalt coke, etc.) e like me ka aggregate, lanahu pitch e like me ka mea hoʻopaʻa.
Nui nā ʻano o ka graphite artificial, me ka pauka, ka fiber a me ka poloka, ʻoiai ʻo ke ʻano haiki o ka graphite artificial he poloka maʻamau, pono e hana ʻia i loko o kekahi ʻano i ka wā e hoʻohana ʻia ai. Hiki ke manaʻo ʻia he ʻano mea multiphase, me ka pae graphite i hoʻololi ʻia e nā ʻāpana kalapona e like me ka petroleum coke a i ʻole ka asphalt coke, ka pae graphite i hoʻololi ʻia e ka mea hoʻopaʻa pitch lanahu i uhi ʻia a puni nā ʻāpana, ka hōʻiliʻili ʻana o nā ʻāpana a i ʻole nā pores i hana ʻia e ka mea hoʻopaʻa pitch lanahu ma hope o ka mālama wela, a pēlā aku. Ma ke ʻano laulā, ʻo ke kiʻekiʻe o ka mahana mālama wela, ʻo ke kiʻekiʻe o ke kiʻekiʻe o ka graphitization. ʻO ka hana ʻoihana o ka graphite artificial, ʻo ke kiʻekiʻe o ka graphitization maʻamau ma lalo o 90%.
Ke hoʻohālikelike ʻia me ka graphite kūlohelohe, he nāwaliwali ka hoʻoili wela a me ka conductivity uila, ka lubricity a me ka plasticity o ka graphite artificial, akā ʻoi aku ka maikaʻi o ke kūpaʻa ʻana i ka ʻaʻahu, ke kūpaʻa i ka corrosion a me ka permeability haʻahaʻa ma mua o ka graphite kūlohelohe.
ʻO nā mea maka no ka hana ʻana i ka graphite artificial e komo pū ana me ka petroleum coke, needle coke, asphalt coke, lanahu pitch, carbon microspheres, a pēlā aku. ʻO kāna mau huahana ma hope aku e komo pū ana me ka electrode graphite, ka anode i hoʻomoʻa mua ʻia, ka graphite isostatic, ka graphite maʻemaʻe kiʻekiʻe, ka graphite nuklea, ka mea hoʻololi wela a pēlā aku.
ʻO ka hoʻohana ʻana o ka huahana o ka graphite artificial e hōʻike nui ʻia ma nā ʻano penei:
1. ʻElekoda Graphite: Me ka coke petroleum a me ka coke nila ma ke ʻano he mea maka a me ka pitch lanahu ma ke ʻano he mea hoʻopaʻa, hana ʻia ka ʻelekoda graphite ma o ka calcination, batching, mixing, pressing, baking, graptitization a me ka machining. Hoʻohana nui ʻia ia i ke kila umu uila, silicon ʻoihana, phosphorus melemele a me nā lako ʻē aʻe ma o ka hoʻokuʻu ʻana i ka ikehu uila ma ke ʻano o ka arc e hoʻomehana a hoʻoheheʻe i ka uku.
2. Anode i hoʻomoʻa mua ʻia: hana ʻia me ka petroleum coke ma ke ʻano he mea maka a me ka pitch lanahu e like me ka mea hoʻopaʻa ma o ka calcination, batching, mixing, pressing, roasting, impregnation, graphitization a me ka machining, hoʻohana nui ʻia ia ma ke ʻano he conductive anode o nā lako alumini electrolytic.
3. Bearing, sila apo: lawe ʻana i nā lako media corrosive, hoʻohana nui ʻia ka graphite artificial i hana ʻia me nā apo piston, nā sila apo a me nā bearings, hana me ka ʻole o ka hoʻohui ʻana i ka ʻaila lubricating.
4. Mea hoʻololi wela, papa kānana: loaʻa i ka graphite hana nā ʻano o ke kūpaʻa ʻana i ka pala, ka conductivity wela maikaʻi a me ka permeability haʻahaʻa. Hoʻohana nui ʻia ia i ka ʻoihana kemika e hana i nā mea hoʻololi wela, ka pahu hana, ka mea hoʻomoʻa, ke kānana a me nā lako ʻē aʻe.
5. Graphite kūikawā: me ka coke petroleum kiʻekiʻe ma ke ʻano he mea maka, pitch lanahu a i ʻole ka resin synthetic ma ke ʻano he mea hoʻopaʻa, ma o ka hoʻomākaukau ʻana i nā mea maka, batching, kneading, kaomi ʻana, kuʻi ʻana, kāwili ʻana i ka kneading, molding, multi roasting, multi intake, hoʻomaʻemaʻe a me ka graphitization, machining a hana ʻia, ma ke ʻano laulā me ka graphite isostatic, graphite nuklea, graphite maʻemaʻe kiʻekiʻe, hoʻohana ʻia ma nā ʻāpana aerospace, electronics, nuklea.
Ka manawa hoʻouna: Nov-23-2022