Silicon carbide (SiC) ke motsoako oa covalent o entsoeng ka carbon le silicon 'me o tsebahala ka thepa ea oona e babatsehang, ho kenyelletsa le ho hanyetsa ho apara ho phahameng, ho hanyetsa mocheso oa mocheso, ho hanyetsa ho bola ho matla le ho tsamaisa mocheso o phahameng. Thepa ena e etsa hore silicon carbide e be thepa e loketseng bakeng sa ts'ebeliso e fapaneng liindastering tse ngata, ho kenyeletsoa sebaka sa sefofane, tlhahiso ea mochini, lik'hemik'hale tsa petrochemical, ho qhibilihisa tšepe le lisebelisoa tsa elektroniki. Haholo-holo e loketse tlhahiso ea likarolo tse sa tsitsang le likarolo tsa mohaho o phahameng oa mocheso. Nts'etsopele ea lirafshoa tsa silicon carbide ceramics e phethile karolo ea bohlokoa ho ntlafatseng ts'ebeliso ea indasteri ea thepa ena e fapaneng.
Mokgoa wa setso wa ho hlahisakarabelo-sintered silicon carbide ceramicske ho sebelisa silicon carbide powder e kopantsoeng le phofo e nyenyane ea carbon. Motsoako o na le karabelo e phahameng ea mocheso oa silicone ho etsa thepa e teteaneng ea ceramic. Leha ho le joalo, mosebetsi ona oa setso ha o na mefokolo ea oona. Mokhoa oa sintering o khetholloa ka nako e telele, mocheso o phahameng le tšebeliso e phahameng ea matla, e leng se bakang litšenyehelo tse phahameng tsa tlhahiso. Ha litlhoko tsa indasteri bakeng sa libopeho le libopeho tsa silicon carbide ceramic li ntse li rarahana le ho feta, mefokolo ea mekhoa ea setso e ntse e bonahala haholoanyane.
Lilemong tsa morao tjena, ho hlahisoa ha silicon carbide nanopowders e fetohile tharollo e tšepisang ea ho ntlafatsa thepa ea mechine ea silicon carbide ceramics. Ho sebelisa li-nanopowder ho ka hlahisa li-ceramics tse nang le litšepe tse phahameng tsa sintered le matla a phahameng a feto-fetohang. Leha ho le joalo, litšenyehelo tsa silicon carbide nanopowder li batla li phahame, hangata li feta li-yuan tse 10,000 ka tone, e leng se bakang tšitiso e kholo ho amoheleheng ho pharaletseng le tlhahiso e kholo. Phephetso ena ea moruo e hloka hore ho hlahlojoe lisebelisoa tse ling tse tala le mekhoa ea ho etsa hore tlhahiso ea li-ceramics tsa silicon carbide e khonehe le ho boloka chelete e ngata.
Ho feta moo, bokhoni ba ho hlahisa libopeho tse rarahaneng le likarolo tse kholo li bula mekhoa e mecha bakeng sa lisebelisoa tsa silicon carbide ceramic. Liindasteri tse hlokang meralo e rarahaneng le lisebelisoa tse sebetsang hantle li ka rua molemo mokhoeng ona o mocha oa ho itokisa. Ho feto-fetoha ha maemo le bokhoni ba tlhahiso ea bongata ba li-ceramics tsa boleng bo holimo tsa silicon carbide li ka lebisa tsoelo-peleng e kholo libakeng tse kang sefofane le lisebelisoa tsa elektroniki moo ts'ebetso ea thepa e leng bohlokoa.
Nako ea poso: Nov-09-2024