Këyitu graphite mooy mbir mu kawe- macceer buñ defaree ci graphite natural wala sintetik buñ defar. Dafay am yoon bu baax te baax ci wàllu termik ak electrik, dafa woyof lool, te dafay yomb. Ñu ngi koy jëfandikoo bu bari ci seddal aparey elektronik, batëri energie bu bees, aerospace ak yeneen barab. Procédure de production bi dafay amaale ay jéego yu bari yu am solo, lu ci melni tafukaay bu bees, grafitisation, kalendrier, ak poste post.
Li ñuy njëkka waajal
Këyitu graphite dañu koy defaree ci grafite bu am flake wala graphite synthetik. Bi njëkk mooy, materiel bu bees bi dafay am pulverisasioŋ ak xaaj, graphite bu gëna bari ci biir micron{1}}sise poudre ngir gëna mëna defar ci jéego yi ci topp. Ginaaw loolu, ay jafe-jafe yu melni ay silical ak oxide fer dañu leen di dindi ci flotaasioŋ wala setal chimik ngir mëna am setlu grafite bu ëpp 99%. Ci këyit graphite biy laaj setal bu bari, ñu ngi koy def ci setal bu bari- température asid bi wala fusion alkali.
Graphitisation
Poudre graphite biñ njëkka faj dafay jaar ci grafitisation ci tàngoor wu metti ngir gëna mëna am structure bu am layer. Ni ñuy defee liggéey boobu dafay am ci biir four graphitization (lu melni four bu Acheson wala four induction) ci tàngoor yu ëpp 2800 degre, soppi karbon amorphe ci biir structure graphite bu bari. Graphitisation du gëna yokk yoon wi ñuy jëfandikoo ci wàllu tàngoor ak kuuraŋ, waaye dafay gëna yokk doole mekanik bi. Ci yenn anam yi, dañuy yokk benn lien (lu melni resin phenolic wala pitch) ngir gëna mëna def rolling, waaye karbonisasioŋ bu mat sëkk ci tàngoor wu metti, dañu ko soxla ngir moytu jafe-jafe yi ci des.
Mayaatar
Materiel graphitisé bi dañu ko dagg ba noppi xool ko, ba noppi jaxase ak tuuti lubrifiant (lu melni molybdenum dilfide) ba noppi di wéy di jaar ci benn alinder bu bari {0}. Bi ñuy tàmbali, ñu ngi jëfandikoo roll yu xawa yàqu ngir wàññi dëgëraay bi, topp ci refinement ndànk ci dëgëraay biñ bëgga jëfandikoo (lii 0.05{6}}2mm). Ci jamonoy kalendriye, tàngoor (lu tollu ci 100 ba 300 degre) ak pression dañu ko wara saytu bu baax ngir mëna am lëkkaloo bu dëgër diggante grafite yi ak surface bu nooy. Yenn këyit yu am graphite yu mujj itam dañuy dundu sedd bu sedd ngir gëna dëgëral dëgëraay ak dayo dimensionel bi.
Post- Liggéey ak saytu kalite
Ginaaw ñu ko defaree, këyit graphite dafay dagg, dagg, ak pajum surface (lu melni anti{0}) oxidation ci li war. Fi may jeexalee mooy, dafay def test bu dëgër, lu ci melni muñ dëgëraay, teg termik (def 1500-2000-2000 W/m.K), dooley tensile, ak jàngat setal, ngir lépp leer ci produit bi méngoo ak sàrti liggéey yi.
Li ñuy defar ngir defar këyit grafite dafay boole xarala yu bees yi ci wàllu science ak ci xarala yu bees yi. Taxawal liggéey bi dafay indi jafe-jafe ci performance bu mujj bi, loolu moo tax mu nekk mbir mu am solo ci defar bu bees-.
