ʻO ka graphite he mineral palupalu, ʻeleʻele a me ke ʻano kūlohelohe o ke kalapona element, ʻo ia hoʻi nā papa hexagonal i hoʻopaʻa ʻia e paheʻe ma mua o kēlā me kēia, e hāʻawi ana i kahi ʻano momona a me ka haʻahaʻa haʻahaʻa. ʻO kona ʻano ʻano ʻokoʻa e lilo ia i mea hoʻokele maikaʻi loa o ka uila a me ka wela, akā paʻa loa ia i ka wela. Hoʻohana maʻamau no ka graphite nā lubricants, penikala "lead," nā mea refractory no nā umu ahi, a me nā ʻāpana i loko o nā pā a me nā pale pale.
Na waiwai o ka graphite
ʻoluʻolu:He mineral palupalu loa ka Graphite, e helu ana i ka 1-2 ma ka unahi paʻakikī Mohs, e hiki ai i kona mau papa ke paheʻe.
kala kala:He hina a ʻeleʻele maʻamau me ka metala a ʻulaʻula paha.
Ka hoʻoheheʻe uila:ʻO ka graphite he metala -ʻole ka mea hoʻokele uila a me ka wela.
Kū'ē wela:He wahi hehee kiʻekiʻe loa kona a hiki ke kū i nā wela wela me ka heheʻe ʻole.
ʻAʻole inertness:ʻAʻohe mea kemika ʻo Graphite a ʻaʻole e hoʻopili me ka hapa nui o nā mea ʻē aʻe.
Kapili:Hoʻonohonoho ʻia kona mau ʻātoma i loko o ka lattice hexagonal layered, kahi i hoʻopaʻa ʻia nā papa graphene ma luna o kekahi.
Nā hoʻohana ʻana i ka Graphite
Lubricant:ʻO kona ʻano paheʻe a paheʻe, lilo ia i mea ʻaila maloʻo nui i nā noi kahi hiki ʻole ke hoʻohana ʻia nā lubricant pulu.
Nā penikala:ʻO ka palupalu o ka graphite ka mea e hiki ai ke hoʻohana ʻia no ke kākau ʻana a me ke kaha kiʻi ʻana i nā penikala.
Hoʻopaʻa ʻia:ʻO kona hiki ke kū i nā wela kiʻekiʻe he mea kūpono ia no ka uhi ʻana i nā kapuahi a me ka hana ʻana i nā crucibles i nā foundries.
Nā ʻōhua:Hoʻohana ʻia ʻo Graphite i ka hana ʻana i nā pihi.
Nā Paʻa Paʻa:Hoʻohana pū ʻia ia i loko o kekahi mau pale pale.
Metallurgy:Hoʻohana ʻia ka graphite e hoʻohui i ke kalapona i ka hao a me ke kila ma kahi hana i kapa ʻia ʻo recarburizing.
He aha ka graphite uesd?
Hoʻohana ʻia ka Graphite i nā penikala, nā lubricants, crucibles, foundry facings, polishes, brushes for electric motors, and cores of nuclear reactors. ʻO kona kiʻekiʻe wela a me ka uila conductivity e lilo ia i ʻāpana koʻikoʻi o ka hana kila, kahi e hoʻohana ʻia ai e like me nā electrodes i loko o nā kapuahi uila.
No ke aha i waiwai nui ai ka graphite?
ʻO ke kumu kūʻai haʻahaʻa o ka Graphite, ka wela a me ke kinikini inertness a me ke ʻano conductivity o ka wela a me ka uila e ʻike i nā noi he nui i nā kaʻina hana kiʻekiʻe a me ka wela.
