ʻO Graphite kekahi o nā minelala palupalu loa, he allotrope o ke kalapona elemental, a he minelala crystalline o nā mea carbonaceous. ʻO kona ʻōnaehana crystalline he ʻano papa hexagonal; ʻo ka mamao ma waena o kēlā me kēia papa mesh he 340 ʻili. m, ʻo ka mamao o nā ʻātoma kalapona ma ka papa pūnaewele like he 142 picometers, no ka ʻōnaehana kristal hexagonal, me ka ʻoki piha ʻana o ka papa, ua hoʻomalu ʻia ka ʻili o ka ʻoki e nā pilina molekala, a nāwaliwali ka huki ʻana i nā molekala, no laila kona floatability kūlohelohe Maikaʻi loa; ua hoʻopili ʻia ka periphery o kēlā me kēia ʻātoma kalapona i ʻekolu mau ʻātoma kalapona ʻē aʻe ma o ka hoʻopaʻa covalent e hana i kahi molekala covalent; ʻoiai ʻo kēlā me kēia ʻātoma kalapona e hoʻopuka i kahi electron, hiki i kēlā mau electrons ke neʻe manuahi, no laila he alakaʻi ka graphite, ʻO ka hoʻohana ʻana o ka graphite e komo pū me ka hana ʻana i nā alakaʻi penikala a me nā lubricants, a me nā mea ʻē aʻe.
He paʻa loa nā waiwai kemika o ka graphite, no laila hiki ke hoʻohana ʻia ka graphite ma ke ʻano he penikala, pigment, mea hoʻopili, a pēlā aku, a hiki ke mālama ʻia nā huaʻōlelo i kākau ʻia me ka graphite no ka manawa lōʻihi.
Loaʻa i ka Graphite nā ʻano o ke kūpaʻa wela kiʻekiʻe, no laila hiki ke hoʻohana ʻia ma ke ʻano he mea refractory. No ka laʻana, ʻo nā ipu hoʻoheheʻe i hoʻohana ʻia i ka ʻoihana metallurgical ua hana ʻia me ka graphite.
Hiki ke hoʻohana ʻia ke graphite ma ke ʻano he mea alakaʻi. No ka laʻana, hana ʻia nā koʻokoʻo kalapona i ka ʻoihana uila, nā electrodes maikaʻi o nā mea uila mercury maikaʻi, a me nā pulumu i ka graphite.
Ka manawa hoʻouna: Mei-11-2022