Sepheo sa rona le sepheo sa khamphani hangata ke ho "kamehla ho phethahatsa ditlhoko tsa bareki ba rona". Re tswela pele ho reka le ho rala dihlahiswa tse ntle tsa boleng bo hodimo bakeng sa bareki ba rona ba pele le ba batjha mme re fihlella tebello ya ho hapa bohle bakeng sa bareki ba rona jwalo ka rona bakeng sa Moetsi wa China Carbon Graphite Mold e Sebedisetswang ho Polisa Konkreite, Boteng bo tswelang pele ba thepa ya maemo a hodimo hammoho le tshehetso ya rona e ntle ya pele le kamora thekiso e netefatsa tlholisano e matla mmarakeng o ntseng o hola wa lefatshe ka bophara.
Sepheo sa rona le sepheo sa khamphani hangata ke ho "kamehla ho phethahatsa ditlhoko tsa bareki ba rona". Re tswela pele ho reka le ho rala dihlahiswa tsa boleng bo hodimo bakeng sa bareki ba rona ba pele le ba batjha mme re fihlella tebello ya ho putsa bohle bakeng sa bareki ba rona jwalo ka rona bakeng saLi-mold tsa China Carbon Graphite, Li-mold tsa GraphiteLebitso la k'hamphani, kamehla le nka boleng e le motheo oa k'hamphani, le batla nts'etsopele ka tekanyo e phahameng ea botšepehi, le latela maemo a taolo ea boleng ba ISO ka tieo, le theha k'hamphani e maemong a holimo ka moea oa botšepehi le tšepo tse tšoaeang tsoelo-pele.
Metswako ea khabone / khabone(e tla bitsoa "C / C kapa CFC”) ke mofuta oa thepa e kopaneng e thehiloeng khaboneng 'me e matlafatsoa ke faeba ea khabone le lihlahisoa tsa eona (preform ea faeba ea khabone). E na le inertia ea khabone le matla a phahameng a faeba ea khabone. E na le thepa e ntle ea mechini, ho hanyetsa mocheso, ho hanyetsa mafome, ho damping ha khohlano le litšobotsi tsa ho tsamaisa mocheso le motlakase.
CVD-SiCHo roala ho na le litšobotsi tsa sebopeho se ts'oanang, thepa e nyane, ho hanyetsa mocheso o phahameng, ho hanyetsa oxidation, bohloeki bo phahameng, ho hanyetsa asiti le alkali le reagent ea manyolo, e nang le thepa e tsitsitseng ea 'mele le ea lik'hemik'hale.
Ha ho bapisoa le thepa ea graphite e hloekileng haholo, graphite e qala ho oxidation ho 400C, e leng se tla baka tahlehelo ea phofo ka lebaka la oxidation, e leng se fellang ka tšilafalo ea tikoloho ho lisebelisoa tsa kantle le likamore tsa vacuum, le ho eketsa litšila tsa tikoloho e hloekileng haholo.
Leha ho le jwalo, ho kwahela SiC ho ka boloka botsitso ba mmele le ba dikhemikhale ho di-degree tse 1600, E sebediswa haholo indastering ya sejwalejwale, haholoholo indastering ya semiconductor.
Khamphani ea rona e fana ka lits'ebeletso tsa ts'ebetso ea ho koahela SiC ka mokhoa oa CVD holim'a graphite, li-ceramics le lisebelisoa tse ling, e le hore likhase tse khethehileng tse nang le carbon le silicon li arabele mochesong o phahameng ho fumana limolek'hule tsa SiC tse hloekileng haholo, limolek'hule tse behiloeng holim'a thepa e koahetsoeng, li theha lera le sireletsang la SIC. SIC e entsoeng e hokahane ka thata le motheo oa graphite, e fa motheo oa graphite thepa e ikhethang, kahoo e etsa hore bokaholimo ba graphite bo be bo kopaneng, bo se nang Porosity, bo hane mocheso o phahameng, bo hane ho ts'enyeha le ho haneloa ke oxidation.
Likarolo tse ka sehloohong:
1. Khanyetso ea ho chesoa ha oxidation mochesong o phahameng:
Khanyetso ea oxidation e ntse e le ntle haholo ha mocheso o le holimo ho fihla ho 1600 C.
2. Bohloeki bo phahameng: bo entsoe ka ho kenngoa ha mouoane ka lik'hemik'hale tlas'a boemo ba chlorination bo phahameng ba mocheso.
3. Khanyetso ea khoholeho ea mobu: ho thatafala ho hoholo, bokaholimo bo kopaneng, likaroloana tse tšesaane.
4. Ho hanyetsa mafome: asiti, alkali, letsoai le li-reagent tsa tlhaho.
Litlhaloso tse ka Sehloohong tsa Liaparo tsa CVD-SIC:
| SiC-CVD | ||
| Botenya | (g/cc)
| 3.21 |
| Matla a ho tenyetseha | (Mpa)
| 470 |
| Katoloso ea mocheso | (10-6/K) | 4
|
| Ho khanna ha mocheso | (Boemo ba leholimo/mK) | 300
|
