Tekniki jogo ani izini baarakɛcogo nafa grafite sɛbɛnw na .

Jul 27, 2025

Aw bɛ cikan bila .

I n’a fɔ-Baarakɛcogo ɲuman, grafite sɛbɛnw bɛ nafa kɛrɛnkɛrɛnnenw jira bi iziniw kɔnɔ. U ka fɛɛrɛw bɛ ye fɔlɔ u farikolo cogoyaw la, u ka kemikaliya sabatili la, ani u baarakɛcogo la.

 

Farikolo la, grafite sɛbɛnw bɛ high-funteni kɛlɛli ɲuman jira, funteni min bɛ tɛmɛ degere 3000 kan k’a sɔrɔ a ma wuli walima ka nɔgɔya. Nin nafolo in b’u kɛ fɛn jɔnjɔn ye min bɛ se ka kɛ fɛn caman ye-Furakɛcogo minɛnw na forow la i n’a fɔ nɛgɛ ni kemikɛli. Graphite fana bɛ waso ni 100-400 W/(m·k) ye min bɛ gɛrɛ nɛgɛ la. O bɛ kɛ sababu ye ka funteni kunbɛn ka ɲɛ, o b’a to a bɛnnen don iziniw ma minnu bɛ funteni jɛnsɛnni teliya. masinko siratigɛ la, hali n’a bɛ kari kosɛbɛ, grafite sɛbɛnw bɛ ni 20-50 MPa fanga ye. Kɛrɛnkɛrɛnnenya la, baarakɛcogo bɛ u ka flexural fanga bonya kosɛbɛ ani ka u sɛgɛn, o b’a to u bɛnnen don structurel support applications ma.

kemikaliya sabatili ye nafa jɔnjɔn wɛrɛ ye grafite sɛbɛnw na. So funteni na, grafite tɛ se ka kɛ asidiw, alkaliw ani fɛnɲɛnamafagalanw ye, a bɛ wuli dɔrɔn alkali barikamaw la minnu bɛ wuli walima funteni ni degunba la. O nafolo in b’a kɛ fɛn ye min tɛ se ka wuli ka bɔ a nɔ na sigidaw la minnu bɛ fɛnw tiɲɛ kosɛbɛ i n’a fɔ kemikɛli fɛnw ani elekitorolitiki selilɛriw. Ka fara o kan, grafite sɛbɛnw bɛ ni coefficient de friction (0,05{{4}0.2) ye min ka dɔgɔ kosɛbɛ, a ɲɛ jɛlen don, wa u tɛ sɔgɔ, o b’a to u bɛnnen don kɛrɛnkɛrɛnnenya la sigilanw ma walima sliding components ma, friction bɔnɛ ka kan ka dɔgɔya yɔrɔ minnu na.

Baarakɛcogo siratigɛ la, grafite sɛbɛnw bɛ se ka kɛ masin ye walasa ka se ka fɛn caman sɔrɔ-Sɛbɛnni tigitigi, o bɛ kɛ sababu ye ka elekitorode gɛlɛnw, mɔbiliw, walima fɛnw minnu bɛ se ka funteni sɔrɔ, olu ka se ka sɔrɔ. A ka kuran-taama bɛ Kɛ flanan ye warijɛ ni nɛgɛ kɔ fɛ, a ka resistivity ye 10⁻⁶Ω·cm dɔrɔn ye. A bɛ kɛ ka caya baarakɛcogo la minnu bɛ kɛ sababu ye ka kuran caman sɔrɔ, i n’a fɔ kuran forow ani batiri anodiw litiyamu. Bi taabolo bɛ se ka grafite sɛbɛnw fanga n’u ka funteni taabolo bonya ka taa a fɛ, n’u bɛ u kɔnɔ ni resin walima nɛgɛw ye (i n’a fɔ nɛgɛ ni nikɛri), k’u kɛyɔrɔw bonya.

Industriw ka baarakɛcogo nafa siratigɛ la, grafite sɛbɛnw jɔyɔrɔ ka bon kosɛbɛ sanfɛ-End forow la i n’a fɔ semiconducteur dilanni, fotovoltaïque single crystal growth, ani nucléaire reactor moderators. Misali la, siliyɔmu kelen-kelen-Kristali siliyɔmu dilanni na ni Czochralski fɛɛrɛ ye, grafite crucibles ani sofaw kɛra izini sariya ye k’a sababu kɛ u saniyacogo ka bon ani u ka funteni sabatili ɲuman. Ni fanga kura ni sanfɛ-En minɛnw dilanni iziniw yiriwali ye, grafite plate fɛɛrɛbɔ bɛ ka wuli ka taa ultra- saniya, densification sanfɛ ani baarakɛcogo jɛlen. A ka fɛɛrɛko cogoyaw bɛna t’a fɛ ka baara kɛcogo ɲɛtaa sabati ani ka musaka kɛcogo ɲuman sabati iziniw kɔnɔ minnu bɛ tali kɛ ɲɔgɔn na.

Aw ye ɲininkali ci .