Li-ceramics tsa indasteri, ke hore, li-ceramics bakeng sa tlhahiso ea indasteri le lihlahisoa tsa indasteri. Ke mofuta oa li-ceramics tse ntle, tse ka bapalang mochini, mocheso, lik'hemik'hale le mesebetsi e meng ts'ebetsong. Hobane li-ceramics tsa indasteri li na le letoto la melemo, joalo ka ho hanyetsa mocheso o phahameng, ho hanyetsa kutu, ho hanyetsa ho roala, ho hanyetsa khoholeho, joalo-joalo, li ka nka sebaka sa lisebelisoa tsa tšepe le lisebelisoa tsa organic macromolecule bakeng sa tikoloho e thata ea ho sebetsa. Li fetohile thepa ea bohlokoa le ea bohlokoa phetohong ea setso ea indasteri, liindasteri tse ntseng li hlaha le liindasteri tsa theknoloji e phahameng. Li sebelisoa haholo ho matla, sefofane, mechini, likoloi, lisebelisoa tsa elektroniki, indasteri ea lik'hemik'hale le likarolo tse ling. Litebello tse pharalletseng tsa ts'ebeliso. Li-ceramics tse nang le khanyetso e ntle ea kutu le botsitso ba lik'hemik'hale ha li kopana le li-enzyme tsa likokoana-hloko li sebelisetsoa ho hlahisa li-crucibles, mocheso oa mocheso le li-biomaterials tse kang li-lacquer tsa maiketsetso tsa meno bakeng sa ho qhibiliha litšepe. Li-ceramics tse nang le li-neutron tse ts'oaroang le ho monyela li sebelisoa ho hlahisa lisebelisoa tse fapaneng tsa sebopeho sa nyutlelie.
1.Calcium oxide ceramics
Calcium oxide ceramics ke ceramics haholo-holo e entsoeng ka calcium oxide.Properties: Calcium oxide e na le sebopeho sa kristale sa NaCl se nang le boholo ba 3.08-3.40g / cm le ntlha ea ho qhibiliha ea 2570 C. E na le botsitso ba thermodynamic mme e ka sebelisoa mocheso o phahameng (2000) C). E na le karabelo e tlase ka ho qhibiliha ha litšepe tse phahameng le tšilafalo e fokolang ea oksijene kapa likarolo tsa litšila. Sehlahisoa se na le khanyetso e ntle ea kutu ho tšepe e qhibilihisitsoeng le ho qhibiliha calcium phosphate. E ka thehoa ka ho hatella ka ho omella kapa ho phunya.
Kopo:
1)Ke sejana sa bohlokoa bakeng sa ho qhibilihisa litšepe tse se nang ferrous, joalo ka platinum e hloekileng le uranium.
2)Setene sa calcium oxide se tsitsitsoeng ke titanium dioxide se ka sebelisoa e le lisebelisoa tsa lesela bakeng sa sebōpi sa rotary sa ore e qhibilihisitsoeng ea phosphate.
3)Mabapi le botsitso ba thermodynamic, CaO e feta SiO 2, MgO, Al2O 3 le ZrO 2, 'me ke eona e phahameng ka ho fetisisa ka li-oxide. Thepa ena e bontša hore e ka sebelisoa e le crucible bakeng sa ho qhibiliha litšepe le li-alloys.
4)Nakong ea ho qhibiliha ha tšepe, li-sampuli tsa CaO le li-tubes tse sireletsang li ka sebelisoa, tse sebelisoang haholo ho laola boleng kapa ho laola mocheso oa ho qhibiliha ha tšepe e sebetsang joalo ka li-alloys tse phahameng tsa titanium.
5)Ho phaella ho tse ka holimo, li-ceramics tsa CaO li boetse li loketse li-sleeve tsa ho kenya letsoho bakeng sa ho qhibiliha ha arc kapa lijana tsa ho leka-lekanya.
likhutlo tsa liteko.
Calcium oxide e na le mefokolo e 'meli:
①Ho bonolo ho itšoara ka metsi kapa carbonate moeeng.
②E ka qhibiliha ka li-oxide tse kang iron oxide ka mocheso o phahameng. Ketso ena ea slagging ke lebaka leo ka lona li-ceramics li leng bonolo ho senya le ho ba le matla a fokolang. Mefokolo ena e boetse e etsa hore ho be thata hore li-ceramics tsa calcium oxide li sebelisoe haholo. Joaloka lirafshoa, CaO e ntse e le qalong. E na le mahlakore a mabeli, ka linako tse ling e tsitsitse 'me ka linako tse ling e sa tsitsa. Nakong e tlang, re ka rera tšebeliso ea eona hamolemo le ho e etsa hore e kenelle har'a li-ceramics ka tsoelo-pele ea lisebelisoa tse tala, ho etsa, ho thunya le mahlale a mang.
2. Li-ceramics tsa zircon
Li-ceramics tsa zircon ke lirafshoa tse entsoeng haholo-holo ka zircon (ZrSiO4).
Thepa:Li-ceramics tsa zircon li na le khanyetso e ntle ea mocheso oa mocheso, ho hanyetsa acid le botsitso ba lik'hemik'hale, empa ho hanyetsa alkali e mpe. Mocheso oa katoloso ea mocheso le conductivity ea mocheso oa li-ceramics tsa zircon li tlase, 'me matla a tsona a ho khumama a ka bolokoa ho 1200-1400 C ntle le ho fokotseha, empa thepa ea bona ea mochini e fokola. Mokhoa oa tlhahiso o tšoana le oa lirafshoa tse khethehileng tse akaretsang.
Kopo:
1)Joalo ka refractory ea asiti, zircon e sebelisitsoe haholo ka libotlolong tsa khalase tse tlase tsa alkali aluminoborosilicate bakeng sa tlhahiso ea bolo ea khalase le fiber ea khalase. Li-ceramics tsa zircon li na le thepa e phahameng ea dielectric le ea mochini, hape e ka sebelisoa e le li-insulators tsa motlakase le li-spark plugs.
2)Haholo-holo e sebelisetsoa ho etsa lirafshoa tsa mocheso o phahameng oa mocheso o phahameng, likepe tsa ceramic, li-crucibles, sebōpi se chesang se chesang se chesang, lesela la sebōpi sa khalase, lirafshoa tsa mahlaseli a mahlaseli a kotsi, joalo-joalo.
3)E ka etsoa lihlahisoa tse nang le marako a tšesaane - crucible, thermocouple sleeve, nozzle, lihlahisoa tse nang le marako a teteaneng - seretse, joalo-joalo.
4)Liphello li bontša hore zircon e na le botsitso ba lik'hemik'hale, botsitso ba mechine, botsitso ba mocheso le botsitso ba mahlaseli. E na le mamello e ntle ho li-actinides tse kang U, Pu, Am, Np, Nd le Pa. Ke lisebelisoa tse loketseng tsa mahareng bakeng sa ho tiisa litšila tse phahameng tsa mahlaseli a kotsi (HLW) tsamaisong ea tšepe.
Hona joale, lipatlisiso mabapi le kamano pakeng tsa ts'ebetso ea tlhahiso le thepa ea mechine ea zircon ceramics ha e e-s'o tlalehoe, e sitisang thuto e tsoelang pele ea thepa ea eona ho isa tekanyong e itseng le ho fokotsa tšebeliso ea zircon ceramics.
3. Li-ceramics tsa lithium oxide
Lithium oxide ceramics ke lirafshoa tseo likarolo tsa tsona tsa mantlha e leng Li2O, Al2O3 le SiO2. Lisebelisoa tse ka sehloohong tsa liminerale tse nang le Li2O ka tlhaho ke spodumene, lithium-permeable feldspar, lithium-phosphorite, lithium mica le nepheline.
Thepa: Mekhahlelo e ka sehloohong ea crystalline ea lithium oxide ceramics ke nepheline le spodumene, tse khetholloang ke coefficient e tlaase ea ho atolosa mocheso le ho hanyetsa mocheso o motle oa mocheso. khalase.
Kopo:E ka sebelisoa ho etsa litene tsa litene, li-tubes tsa tšireletso tsa thermocouple, likarolo tsa mocheso o sa khaotseng, lisebelisoa tsa laboratori, lisebelisoa tsa ho pheha, joalo-joalo tsa libono tsa motlakase (haholo-holo li-induction ). Lisebelisoa tsa letoto la Li2O-A12O3-SiO 2 (LAS) ke li-ceramics tse atolositsoeng tse tlase, tse ka sebelisoang e le lisebelisoa tse hananang le mocheso oa mocheso, Li2O e ka boela ea sebelisoa e le binder ea ceramic, 'me e na le boleng bo ka sebelisoang indastering ea likhalase.
4. Ceria ceramics
Cerium oxide ceramics ke lirafshoa tse nang le cerium oxide e le karolo ea mantlha.
Thepa:Sehlahisoa se na le matla a khoheli a itseng a 7.73 le ntlha ea ho qhibiliha ea 2600 ℃. E tla fetoha Ce2O3 ho fokotsa sepakapaka, 'me sebaka se qhibilihisang se tla fokotseha ho tloha 2600 ℃ ho ea 1690 ℃. The resistivity ke 2 x 10 ohm cm ho 700 ℃ le 20 ohm cm ho 1200 ℃. Hona joale, ho na le mekhoa e mengata e tloaelehileng ea mekhoa ea tlhahiso ea indasteri ea cerium oxide Chaena ka tsela e latelang: Kemical oxidation, ho kenyelletsa le oxidation ea moea le potassium permanganate oxidation;
Mokhoa oa karohano oa ho ntša
Kopo:
1)E ka sebelisoa e le ntho ea ho futhumatsa, crucible bakeng sa ho qhibilihisa tšepe le semiconductor, sleeve ea thermocouple, joalo-joalo.
2)E ka sebelisoa e le lithuso tsa sintering bakeng sa silicon nitride ceramics, hammoho le aluminium titanate composite ceramics e fetotsoeng, 'me CeO 2 ke toughening e loketseng.
stabilizer.
3)Rare earth tricolor phosphor e nang le 99.99% CeO 2 ke mofuta oa lisebelisoa tse khanyang bakeng sa lebone le bolokang matla, le nang le khanya e phahameng, ho fana ka mebala e metle le bophelo bo bolelele.
4)CeO 2 phofo e benyang e nang le karoloana e kholo ho feta 99% e na le boima bo phahameng, boholo bo nyane le bo lekanang le kristale ea angular, e loketseng ho bentša ka lebelo le phahameng la khalase.
5)Ho sebelisa 98% CeO 2 joalo ka decolorizer le clarifier ho ka ntlafatsa boleng le thepa ea khalase le ho etsa hore e sebetse haholoanyane.
6)Ceria ceramics e na le botsitso bo fokolang ba mocheso le kutlo e matla ho sepakapaka, e fokotsang tšebeliso ea eona ho isa bohōleng bo itseng.
5. Thorium oxide ceramics
Thorium oxide ceramics e bua ka lirafshoa tse nang le ThO2 e le karolo ea mantlha.
Thepa:pure thorium oxide ke cubic crystal system, sebopeho sa mofuta oa fluorite, coefficient ea katoloso ea mocheso ea thorium oxide ceramics e kholoanyane, 9.2 * 10 / ℃ ho 25-1000 ℃, conductivity ea mocheso e tlase, 0.105 J/(cm.s ℃at) 100 ℃, botsitso ba mocheso bo futsanehile, empa mocheso o qhibilihang o teng holimo, mocheso o phahameng oa mocheso o motle, 'me ho na le radioactivity (10% PVA tharollo e le moemeli oa ho emisa) kapa ho hatella (20% thorium tetrachloride e le binder) e ka sebelisoa ha ho etsoa.
Kopo:Haholo-holo e sebelisoa e le crucible bakeng sa ho qhibilihisa osmium, rhodium e hloekileng le radium e hloekisang, e le ntho ea ho futhumatsa, e le mohloli oa lebone la ho batla, moriti oa lebone la incandescent, kapa e le mafura a nyutlelie, e le cathode ea tube ea elektroniki, electrode bakeng sa ho qhibiliha ha arc, joalo-joalo.
6. Alumina Ceramics
Ho ea ka phapang ea karolo e kholo ea kristale ka billet ea ceramic, e ka aroloa ka porcelain ea corundum, corundum-mullite porcelain le mullite porcelain. E ka boela ea aroloa ka li-ceramics tse 75, 95 le 99 ho ea ka karolo e boima ea AL2O3.
Kopo:
Li-ceramics tsa alumina li na le ntlha e phahameng ea ho qhibiliha, boima bo phahameng, matla a phahameng, khanyetso e ntle ea ho bola ha lik'hemik'hale le thepa ea dielectric. Leha ho le joalo, e na le brittleness e phahameng, ho hanyetsa tšusumetso e mpe le ho hanyetsa mocheso oa mocheso, 'me ha e khone ho mamella liphetoho tse matla mocheso o potolohileng. E ka sebelisoa ho etsa li-tubes tsa mocheso o phahameng oa sebōpi, li-linings, li-spark plug tsa lienjineri tse tukang ka hare, lisebelisoa tsa ho seha tse thata haholo, le matsoho a sireletsang thermocouple.
7. Li-ceramics tsa silicon carbide
Li-ceramics tsa silicon carbide li khetholloa ka matla a mocheso o phahameng, conductivity e phahameng ea mocheso, khanyetso e phahameng ea ho roala, ho hanyetsa kutu le khanyetso ea creep. Hangata li sebelisoa e le thepa e phahameng ea mocheso oa sintering masimong a tšireletso ea naha le Aerospace Science le theknoloji. Li sebelisetsoa ho etsa likarolo tsa mocheso o phahameng joalo ka li-nozzles bakeng sa li-nozzles tsa rocket, 'metso bakeng sa ho akhela tšepe, lihlahla tsa thermocouple le li-tubes tsa sebōpi.
Nako ea poso: Nov-16-2019