Mekhoa ea ho Etsa Li-ceramics tsa Silicon Carbide

Mekhoa ea ho Etsa Li-ceramics tsa Silicon Carbide: Kakaretso e Felletseng

Sebopeho se ikhethang sa kristale le litšobotsi tsa liserami tsa silicon carbide li tlatsetsa litšobotsing tsa tsona tse ntle haholo. Li na le matla a matle haholo, ho ba thata haholo, ho hanyetsa ho tsofala ho hoholo, ho hanyetsa ho bola, ho khanna mocheso o phahameng le ho hanyetsa ho ts'oaroa ke mocheso o motle. Lintho tsena li etsa hore liserami tsa silicon carbide li be ntle bakeng sa lits'ebetso tsa ballistic.

Ho etsoa ha li-ceramic tsa silicon carbide hangata ho latela mekhoa e latelang:

1. Ho bopa ka kgatello: Ho bopa ka kgatello ke mokhoa o sebediswang haholo bakeng sa ho etsa maqephe a sa keneleng likulo a silicon carbide. Tshebetso ena e bonolo, e bonolo ho e sebedisa, e na le bokgoni bo phahameng mme e loketse tlhahiso e tswelang pele.

2. Ho etsa ente: Ho etsa ente ho na le bokgoni bo botle ba ho ikamahanya le maemo mme ho ka etsa dibopeho le meaho e rarahaneng. Mokhoa ona o molemo haholo ha ho hlahiswa dikarolo tsa ceramic tsa silicon carbide tse bōpehileng jwalo ka ha ho ikgetha.

3. Ho hatella ka mokhoa o batang: Ho hatella ka mokhoa o batang ho kenyelletsa ho sebelisa matla a tšoanang 'meleng o motala, e leng se fellang ka kabo e tšoanang ea bongata. Theknoloji ena e ntlafatsa haholo ts'ebetso ea sehlahisoa 'me e loketse tlhahiso ea li-ceramic tsa silicon carbide tse sebetsang hantle.

4. Ho etsa ente ea gel: Ho etsa ente ea gel ke mokhoa o mocha oa ho etsa ente ea boholo bo batlang bo lekana le net. 'Mele o motala o hlahisoang o na le sebopeho se ts'oanang le matla a phahameng. Likarolo tsa ceramic tse fumanoeng li ka sebetsoa ke mechini e fapaneng, e leng se fokotsang litšenyehelo tsa ts'ebetso kamora ho sila. Ho etsa ente ea gel ho loketse haholo bakeng sa tlhahiso ea li-ceramic tsa silicon carbide tse nang le meaho e rarahaneng.

Ka ho sebelisa mekhoa ena ea ho bopa, bahlahisi ba ka fumana liseramike tsa silicon carbide tsa boleng bo holimo tse nang le thepa e ntle ea mechini le ea bolo. Bokhoni ba ho etsa liseramike tsa silicon carbide ka mefuta e fapaneng ea libopeho le meaho bo lumella ho fetoloa le ho ntlafatsoa ho fihlela litlhoko tse ikhethileng tsa lits'ebetso tse fapaneng.

Ho phaella moo, ho sebetsa hantle ha diserami tsa silicon carbide ho eketsa botle ba tsona e le thepa e sebetsang hantle e hanelang bolo. Motswako ona wa thepa e lakatsehang le theko e utlwahalang o etsa hore diserami tsa silicon carbide e be mohlodisani ya matla sebakeng sa dihlomo tsa mmele.

Qetellong, liserami tsa silicon carbide ke thepa e etellang pele ea ballistic ka lebaka la thepa ea tsona e ntle le mekhoa e mengata ea ho bopa. Sebopeho sa kristale, matla, ho thatafala, ho hanyetsa ho tsofala, ho hanyetsa ho bola, ho khanna ha mocheso le ho hanyetsa ho thothomela ha mocheso oa liserami tsa silicon carbide li etsa hore e be khetho e khahlang bakeng sa bahlahisi le bafuputsi. Ka mekhoa e fapaneng ea ho bopa, bahlahisi ba ka iketsetsa liserami tsa silicon carbide ho fihlela lits'ebetso tse itseng, ho netefatsa ts'ebetso e ntle le tšireletso. Bokamoso ba liserami tsa silicon carbide boa tšepisa ha li ntse li tsoela pele ho nts'etsapele le ho sebetsa hantle lefapheng la thepa ea ballistic.

Ha e le mabapi le tšireletso ea bolo, motsoako oa maqephe a polyethylene le li-insert tsa letsopa o ipakile o sebetsa hantle haholo. Har'a likhetho tse fapaneng tsa letsopa tse fumanehang, silicon carbide e hohetse tlhokomelo e kholo lapeng le kantle ho naha. Lilemong tsa morao tjena, bafuputsi le bahlahisi ba ntse ba hlahloba bokhoni ba silicon carbide ceramics e le thepa e sebetsang hantle e hanelang bolo ka lebaka la thepa ea eona e ntle le litšenyehelo tse tlase.

Silicon carbide ke motsoako o entsoeng ka ho kopanya li-tetrahedrone tsa Si-C, 'me o na le mefuta e 'meli ea kristale, α le β. Mochesong o sintering o ka tlase ho 1600°C, silicon carbide e teng ka sebopeho sa β-SiC, 'me ha mocheso o feta 1600°C, silicon carbide e fetoha α-SiC. Tlamo e kopanetsoeng ea α-silicon carbide e matla haholo, 'me e ka boloka tlamo e matla haholo esita le mochesong o phahameng.