Pulea Tulaga

Tofotofoga Tulaga Tulaga

Vaaiga aoao o le suʻega

Graphite o se allotrope o le kaponi, o se fesuiaʻiga tioata i le va o tioata atomika, tioata tioata ma mole mole tioata. Masani efuefu uliuli, malu uiga, lagona gaʻoa. Faʻaolaina vevela i le ea poʻo le okesene e mumu ma maua mai carbon dioxide. Malosi oxidizing sooupu o le a oxidize ia i Faʻaogaina o anti-sui sooupu ma mea e faʻasusuina ai mea, faʻapipiʻi le uila, eletise, maʻa malo, penitala. O le tulaga o le mauaina o le graphite: graphite natura, mafiafia tioata tioata, flake graphite, cryptocrystalline graphite, graphite efuefu, kalafi pepa, faʻateleina grafite, emulsi graphite, faʻateleina graphite, omea graphite ma conductive kalafa efuefu, ma isi

Faʻapitoa meatotino o kalafi

1. maualuga le teteʻe o le vevela: o le faʻaliʻuga o le graphite o le 3850 ± 50 ℃, e oʻo lava i le vevela o le vevela e maualuga le maualuga, o le mamafa o le paʻu e laʻititi, o le faʻalauteleina o le vevela e faʻaopoopoina e laʻititi. . I le 2000 ℃, o le malosiaga o le graphite faʻaluaina.
2. conductive, conductivity vevela: o le conductivity o graphite e tasi le selau taimi maualuga atu nai lo le lautele leai-uʻamea uamea. O le conductivity vevela o uamea, uʻamea, taʻimua ma isi uamea material.Thermal conductivity vevela faʻaitiitia ma le faʻateleina o le vevela, e oʻo lava i vevela maualuga, kalafi i faʻaʻesega;
3. lubricity: o le faʻatumuina gaioiga o le grafite faʻalagolago i le tele o grafitipe flake, flake, friction coefficient e laʻititi, o le lubrication faatinoga e sili atu;
4. mautu vailaʻau: graphite i le vevela vevela i ai lelei mautu vailaʻau, acid tetee, alkali tetee ma faʻatamaʻi soli aati palu;
5. plasticity: graphite malo malo e lelei, e mafai ona tuʻimomomoina i se sili manifinifi ie;
6. tetee tete vevela: graphite i potu vevela pe a faʻaaogaina mafai ona tatalia suiga tetele o le vevela e aunoa ma le faʻaleagaina, vevela suiga, o le aofaʻi o le graphite suia laʻititi, o le a le taʻei.

Lua, faʻailoga faʻailoaina

1. auiliiliga auiliiliga: carbon tumau, susu, le mama, ma isi.
2. Faʻataʻitaʻiga faʻatinoga gaioiga: maaʻa, lefulefu, ogatasi, matagofie, lapoʻa laʻititi, volatilization, faʻapitoa kalave, faʻapitoa vaega luga, liusuavai laina, ma isi
3. masini faʻataʻitaʻiga suʻesuʻega: malosi malosi, susulu, punou suʻega, suʻega suʻega;
4. faʻataʻitaʻiga o faʻatinoga vailaʻau: vai tetee, anagata, acid ma alkali tetee, tetee palapala, tetee o le tau, vevela tetee, ma isi
5. Isi faʻataʻitaʻiga mea tau eletise: faʻaola eletise, faʻaola vevela, faʻasusu, faʻamautuina o vailaʻau, teteʻe atu i le vevela