Sepheo sa rona e lokela ho ba ho kopanya le ho ntlafatsa boleng ba boleng bo phahameng le tšebeletso ea thepa e teng, ha nako e ntse e ea ho hlahisa lihlahisoa tse ncha le litharollo ho phethahatsa litlhoko tse ikhethang tsa bareki bakeng sa Theko e Ntle ka ho Fetisisa ea China High Temperature Resisdant Graphite Crucible/Boat Supply, Hopola ho tla ho ikutloa ka ho feletseng. o lokolohile ho bua le rona bakeng sa mokgatlo. 'me re lumela hore re tla arolelana phihlelo e molemo ka ho fetisisa ea khoebo le barekisi bohle ba rona.
Sepheo sa rona e lokela ho ba ho kopanya le ho ntlafatsa boleng ba boleng bo holimo le tšebeletso ea thepa e teng, ka nako eo re atisa ho hlahisa lihlahisoa tse ncha le litharollo ho phethahatsa litlhoko tse ikhethang tsa bareki.China Graphite Foundry Crucible, Graphite Crucible Kit, Ho lumella bareki ho itšepa haholoanyane ho rona le ho fumana tšebeletso e ntle ka ho fetisisa, re tsamaisa k'hamphani ea rona ka botšepehi, botšepehi le boleng bo botle ka ho fetisisa. Re lumela ka tieo hore ke thabo ea rona ho thusa bareki ho tsamaisa khoebo ea bona ka katleho, le hore likeletso tsa rona tsa litsebi le tšebeletso li ka lebisa khethong e nepahetseng bakeng sa bareki.
Lisebelisoa tsa carbon / carbon(eo ka mor'a moo e bitsoang "C / C kapa CFC") ke mofuta oa lintho tse entsoeng ka motsoako o thehiloeng holim'a carbon le ho matlafatsoa ke carbon fiber le lihlahisoa tsa eona (carbon fiber preform). E na le inertia ea carbon le matla a phahameng a carbon fiber. E na le thepa e ntle ea mochini, ho hanyetsa mocheso, ho hanyetsa kutu, ho fokotsa likhohlano le litšobotsi tsa motlakase le tsa motlakase.
CVD-SiCbarbotage na le litšobotsi tsa sebopeho junifomo, thepa diseke ee, phahameng mocheso ho hanyetsa, khanyetso oxidation, bohloeki phahameng, acid & alkali ho hanyetsa le reagent manyolo, le thepa e tsitsitseng 'meleng le lik'hemik'hale.
Ha ho bapisoa le lisebelisoa tse phahameng tsa graphite, graphite e qala ho oxidize ho 400C, e tla baka tahlehelo ea phofo ka lebaka la oxidation, e leng se bakang tšilafalo ea tikoloho ho lisebelisoa tsa peripheral le likamore tsa vacuum, le ho eketsa litšila tsa tikoloho e hloekileng.
Leha ho le joalo, ho roala ha SiC ho ka boloka botsitso ba 'mele le lik'hemik'hale ka likhato tse 1600, E sebelisoa haholo indastering ea sejoale-joale, haholo indastering ea semiconductor.
Khamphani ea rona e fana ka lits'ebeletso tsa ts'ebetso ea ho roala 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 sebetsane le mocheso o phahameng ho fumana limolek'hule tsa SiC tse hloekileng, limolek'hule tse behiloeng holim'a thepa e koahetsoeng, ho etsa lera la tšireletso la SIC. SIC e entsoeng e tlamahane ka thata ho setsi sa graphite, e fana ka lisebelisoa tse khethehileng tsa graphite, kahoo e etsa hore bokaholimo ba graphite bo kopane, bo se ke ba e-ba le Porosity, ho hanyetsa mocheso o phahameng, ho hanyetsa kutu le ho hanyetsa oxidation.
Lintlha tse ka sehloohong:
1. Ho hanyetsa mocheso o phahameng oa oxidation:
khanyetso ea oxidation e ntse e le ntle haholo ha mocheso o le holimo ho 1600 C.
2. Bohloeki bo phahameng: bo entsoeng ka ho kenngoa ha mouoane oa lik'hemik'hale tlas'a boemo bo phahameng ba mocheso oa chlorination.
3. Ho hanyetsa khoholeho ea mobu: boima bo phahameng, bokaholimo bo kopanetsoeng, likaroloana tse ntle.
4. Ho hanyetsa kutu: acid, alkali, letsoai le li-reagents tse phelang.
Lintlha tse ka sehloohong tsa CVD-SIC Coatings:
| SiC-CVD | ||
| Botenya | (g/cc)
| 3.21 |
| Matla a flexural | (Mpa)
| 470 |
| Katoloso ea mocheso | (10-6/K) | 4
|
| Thermal conductivity | (W/mK) | 300
|
