Aluminium titanium carbide, Ti2AlC

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Aluminium titanium carbide, Ti2AlC

Boitsebiso ba karolo ea MAX ke mofuta o mocha oa lisebelisoa tsa letsopa tse tsamaisang lintho tse atileng haholo .Motsoako oa mantlha oa lik'hemik'hale ke M (n + I) Axn. A: Likarolo tse kholo tsa sehlopha sa Ill A le VA X: cartrogen nitrogen.


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Boitsebiso ba karolo ea MAX ke mofuta o mocha oa lisebelisoa tsa letsopa tse tsamaisang lintho tse atileng haholo .Motsoako oa mantlha oa lik'hemik'hale ke M (n + I) Axn. A: Likarolo tse kholo tsa sehlopha sa Ill A le VA X: cartrogen nitrogen. Sebopeho se ikhethileng sa "crystal nano-layered" sa karolo ea MAX se e nolofalletsa ho kopanya litšobotsi tse ntle tsa tšepe le letsopa, joalo ka ho khanna ho phahameng, ho hanyetsa mocheso, khanyetso ea khase, ho hanyetsa ts'enyeho ea radiation, ete. Hajoale, mofuta oa matenal o sebelisitsoe haholo ho narlion, biosensors, screening ion, catalysislithium ion batteries, supercapacitors, ceramics e phahameng ea mocheso le likarolo tse ling tse ngata.

Morero oa limolek'hule  Ti2 AIC
Khoutu ea CAS  12537-81-4e
Tlhaloso  phofo e putsoa-e ntšo
Qhibiliha  2000 t
Boima ba 'mele  195 .7
SEBELISA  Lisebelisoa tse khethehileng tsa letsopa tsa maiketsetso, lisebelisoa tsa elektroniki, mocheso o phahameng oa thepa e khethollang borashe, lisebelisoa tsa lik'hemik'hale tsa anticorrosion le mocheso o phahameng oa ho futhumatsa.

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Titanium-aluminium carbide (TI-Al carbide) ke mofuta o mocha oa sebopeho sa mekato e meraro ea letsopa, thepa, e tšoenyehileng haholo ke borasaense ba lintho tse bonahalang le litsebi tsa fisiks ka lebaka la thepa ea eona e ikhethang.
Titanium aluminium carbide (Ti2AlC) ke ea tsamaiso ea kristale e nang le mahlakore a tšeletseng, 'me e na le litšobotsi tsa tšepe le letsopa: e na le ts'ebetso e tšoanang le mocheso o tsamaisang mocheso joaloka tšepe, empa e boetse e na le modulus e phahameng haholo ea elastic le lisebelisoa tse ntle haholo tsa mocheso o phahameng joalo ka ceramic , e nang le phihlello e ntle le bokhoni ba ho tsamaisa mocheso, maemo a phahameng a rekere le boima ba Vickers bo tlase, le bokhoni bo botle ba ho hanela tšenyo.

E ka sebetsoa ka mocheso oa mohatsela mme ea hlahisa seoa sa polasetiki ka mocheso o phahameng.Hape e na le botsitso bo botle ba mocheso le khanyetso ea ho kena moea. E boetse e na le mocheso o motle oa ho hanyetsa mocheso, ho hanyetsa tšenyo le khanyetso e ntle ea lik'hemik'hale
MAX phase ceramics (ho kenyeletsoa Ti3SiC2, Ti2AlC, jj.) Ke mofuta o mocha oa li-ceramics tse tsamaisang thepa. Lisebelisoa tsena li na le li-carbide kapa li-nitride tse fetang mashome a tšeletseng. M e emetse karolo ea tšepe e ka pele ea sehlopha sa phetoho; A e emetse dielemente tsa sehlopha se seholo, haholoholo dihlopha tsa boraro le tsa bone; X ke ea khabone kapa naetrojene. Ti3SiC2 ke eona e ithutoang ka ho fetisisa. Ti3SiC2 e entsoe ka katleho ka ho hatella ho chesang ka 1996 ke Moprofesa Barsoum M oa Univesithi ea Drexel naheng ea United States mme thepa ea eona e ntle e fumanoe. Ka lebaka la sebopeho sa eona se ikhethileng sa "nanometer" se entsoeng ka kristale, mofuta ona oa lisebelisoa tsa ceramic o na le thepa e kang ho hanyetsa oxidation, ho itlotsa ka boeona, ho robeha ho phahameng, ho ba thata mochesong oa kamore le ho khanna. Mofuta ona oa lisebelisoa o ka sebelisoa haholo joalo ka thepa ea mocheso o phahameng, thepa ea eleketrode ea borashe, lisebelisoa tsa lik'hemik'hale tse thibelang mocheso le mocheso o phahameng oa ho futhumatsa. Lihlahisoa li sebelisoa haholo bakeng sa liphahlo tse phahameng tsa mocheso, li-precursors tsa MXene, li-ceramics tse itšereng tse itlhommeng pele, libeteri tsa lithium ion, li-supercapacitors, electrochemical catalysis.

Mekhahlelo ea tekheniki ea Ti2AlC:

ntho paramethara
 mochinithepa khatello ea matla (MPa) 764
kobang matla (MPa) 375 ± 15
ho senya mamello (MPa ?? m1 / 2) 7.2
Vickers thatafala (GPa) 3.5
Modulus e monyane (GPa) 297
motlakasethepa Ts'ebetso e le 'ngoe ea conduct × 106S ?? m ﹣ 1) 2.9 `` 25 ''
0.85 (800 ℃)
mocheso oa mocheso oa ho hanyetsa resistance × 10(3K, 1) 3.1
mogotethepa coefficient la katoloso mogote expansivity mogote (× 10-6K, 1, 9.0
mocheso (J ?? mol (1 ?? K ﹣ 1) ﹣﹣
mocheso ivity W m m ﹣ 1 ?? K ﹣ 1) ﹣﹣
mogote makala ho hanyetsa E lokile
botsitso bo phahameng ba mocheso E lokile

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