Silicon carbide (SiC) ke thepa ea khetho mefuteng e fapaneng ea ts'ebeliso ea indasteri ka lebaka la boima ba eona bo ikhethang, botsitso ba mocheso le khanyetso ea lik'hemik'hale. Har'a mefuta ea eona e mengata, li-tubes tsa silicon carbide li bohlokoa ka ho khetheha bakeng sa ho tšoarella le ho sebetsa ha tsona libakeng tse thata. Sengoliloeng sena se tla shebana le ts'ebetso e rarahaneng ea tlhahisoli-tubes tsa silicon carbide, e shebaneng le tlhahiso ea li-tubes tsa ceramic carbide reaction-sintered.
Ho utloisisa Silicon Carbide
Pele re kenella ts'ebetsong ea tlhahiso, ho bohlokoa ho utloisisa hore na silicon carbide ke eng. Silicon carbide ke motsoako oa silicon le carbon e tsejoang ka thepa ea eona e ikhethang. Ke semiconductor e hanyetsanang le mocheso o phahameng, oxidation le corrosion. Mehaho ena e etsa hore li-tubes tsa silicon carbide li sebetse hantle bakeng sa ts'ebeliso ea liindasteri tse kang sefofane, likoloi le ts'ebetso ea lik'hemik'hale.
Tokiso ea thepa e tala
Mohato oa pele oa ho etsa li-tubes tsa silicon carbide ke ho lokisa lisebelisoa tse tala. Phofo e phahameng ea silicon le phofo ea carbon ke lintho tse hlokahalang bakeng sa ho hlahisa silicon carbide (RBSC) e sebetsang hantle haholo. Bohloeki ba liphofshoana tsena bo bohlokoa; litšila leha e le life li tla ama haholo boleng ba sehlahisoa sa ho qetela. Ho phaella moo, kabo ea boholo ba likaroloana tsa phofo e tlameha ho laoloa ka hloko. Boholo ba likaroloana tse ts'oanang bo tiisa hore thepa e arabela ka mokhoa o ts'oanang nakong ea ts'ebetso ea sintering, e hlahisang sehlahisoa sa ho qetela se teteaneng, se matla haholoanyane.
Metsoako le Kopanyo
Hang ha lisebelisoa tse tala li lokisitsoe, mohato o latelang ke ho kopanya le ho kopanya. Ts'ebetso ena e kenyelletsa ho laola ka nepo karolelano ea phofo ea silicon ho phofo ea carbon. Karo-karolelano e nepahetseng e bohlokoa hobane e etsa qeto ea hore na liphetoho tsa lik'hemik'hale li tla etsahala nakong ea sintering. Ho kopanya ka botlalo li-powders ho netefatsa hore ho ajoa hoa hlokahala ho fihlela sebopeho se tsitsitseng sa silicon carbide. Mohato ona o bohlokoa; ho se lumellane leha e le hofe ha motsoako ho ka fella ka bofokoli ba ho qetela silicon carbide tube.
Ho theha sebopeho sa pipe
Hang ha ts'ebetso ea ho kopanya le ho kopanya e phethiloe, mohato o latelang ke ho bōpa phala. Sena se ka finyelloa ka mekhoa e fapaneng, ho kenyelletsa le ho hatella isostatic (CIP) kapa extrusion. CIP e kenyelletsa ho sebelisa khatello e ts'oanang ho phofo e tsoakiloeng ka lefing, e hlahisang sebopeho se kopaneng le se entsoeng hantle. Ntle le moo, extrusion e lumella ho bopa ho tsoelang pele ha thepa, e leng molemo ka ho khetheha bakeng sa ho hlahisa liphaephe tse telele. Khetho ea mokhoa oa ho bōpa o itšetlehile ka boholo bo lakatsehang le litlhaloso tsa sehlahisoa sa ho qetela.
Sintering process
Ts'ebetso ea sintering ke moo boselamose bo etsahalang. Thepa e entsoeng ea silicon carbide e kenngoa ka seboping sa mocheso o phahameng o nang le lebelo le laoloang ka thata la ho futhumatsa le nako ea ho tšoara. Nakong ena, phofo ea silicon le phofo ea carbon li itšoara ka lik'hemik'hale ho etsa sebopeho se teteaneng sa silicon carbide. Thempereichara ea sintering hangata e pakeng tsa 1400 ° C le 2000 ° C, ho itšetlehile ka sebopeho se itseng le thepa e lakatsehang ea sehlahisoa sa ho qetela. Mohato ona o bohlokoa hobane o khetholla matla a mochini le botsitso ba mocheso oa silicon carbide tube.
Theknoloji ea post-processing
Ka mor'a hore ts'ebetso ea sintering e phethe, tube ea silicon carbide e etsoa ka mor'a ho sebetsa. Mokhahlelo ona o kenyelletsa machining le polishing ea bokaholimo ho fihlela litlhoko tse nepahetseng tsa boleng le boleng ba bokaholimo. Ho cheka ho ka 'na ha kenyelletsa ho itšeha, ho sila kapa ho cheka ho finyella litekanyo tse hlokahalang, ha ho belisoa ha holim'a metsi ho ntlafatsa botle le ts'ebetso ea ts'ebetso ea tube. Ho sebetsa ka morao ho bohlokoa ho netefatsa hore sehlahisoa sa ho qetela se kopana le maemo a indasteri le litlhaloso tsa bareki.
Mehato ea Taolo ea Boleng
Ho pholletsa le ts'ebetso ea tlhahiso, re kenya ts'ebetsong mehato ea ho laola boleng ho netefatsa hore li-tubes tsa silicon carbide li finyella litekanyetso tse hlokahalang. Sena se kenyelletsa ho lekola bohloeki ba lisebelisoa tse tala, ho lekola ho ts'oana ha ts'ebetso ea ho kopanya, le ho hlahloba nakong le ka mor'a ho sintering. Mekhoa e tsoetseng pele e kang X-ray diffraction le scanning electron microscopy e ka sebelisoa ho hlahloba microstructure ea silicon carbide ho netefatsa hore e finyella litekanyetso tse hlokahalang tsa tshebetso.
Tšebeliso ea Silicon Carbide Tube
Li-tubes tsa silicon carbide li sebelisoa mefuteng e mengata ea lits'ebetso ka lebaka la thepa ea tsona e ntle haholo. Indastering ea ts'ebetso ea lik'hemik'hale, li sebelisetsoa ho fetisa maro a senyang, ha lekaleng la lifofane, li sebelisoa e le likarolo tsa maemo a phahameng a mocheso. Ho feta moo, li-tubes tsa silicon carbide li ntse li sebelisoa haholo ts'ebetsong ea matla, joalo ka li-reactor tsa nyutlelie le li-turbine tsa khase, moo bokhoni ba tsona ba ho mamella maemo a feteletseng bo leng bohlokoa haholo.
Ka kakaretso
Tlhahiso ea li-tubes tsa silicon carbide ke ts'ebetso e rarahaneng le e boreleli e hlokang ho ela hloko lintlha ka botlalo mohatong o mong le o mong. Ho tloha ho lokisoeng ha lihlahisoa tsa boleng bo phahameng ho isa taolong e nepahetseng ea ts'ebetso ea sintering, mohato ka mong o phetha karolo ea bohlokoa boleng le ts'ebetsong ea sehlahisoa sa ho qetela. Ha liindasteri li ntse li tsoela pele ho batla lisebelisoa tse ka mamellang maemo a thata, tlhokahalo ea li-tubes tsa silicon carbide e ka 'na ea hōla, e leng ho etsang hore ho be bohlokoa le ho feta ho utloisisa mokhoa oa bona oa tlhahiso. Ebang e sebelisoa bakeng sa lits'ebetso tsa indasteri kapa ts'ebeliso e tsoetseng pele ea thekenoloji, li-tubes tsa silicon carbide li emela tsoelo-pele e kholo ea mahlale a thepa, e fanang ka nako e telele le ho ts'epahala maemong a fapaneng.
Nako ea poso: Mar-26-2025