Aluminiyamu titaniyamu carbide, Ti2AlC

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Aluminiyamu titaniyamu carbide, Ti2AlC

MAX gawo lazinthu ndi mtundu watsopano wazinthu zoyendetsedwa ndi ceramic zomwe zimapangidwa mwapadera .Mtundu wofunikira wamankhwala ndi M (n + I) Axn. A: Matenda akulu a Ill A ndi VA X: cartor nitrogen.


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MAX gawo lazinthu ndi mtundu watsopano wazinthu zoyendetsedwa ndi ceramic zomwe zimapangidwa mwapadera .Mtundu wofunikira wamankhwala ndi M (n + I) Axn. A: Matenda akulu a Ill A ndi VA X: cartor nitrogen. Mapangidwe apadera a kristalo amtundu wa MAX amathandizira kuti apange zinthu zabwino kwambiri zazitsulo ndi ziwiya zadothi, monga madutsidwe apamwamba, kutentha kwa kutentha, kukana makutidwe ndi okosijeni, kukana kwa dzimbiri, ete. Pakadali pano, mtundu wa azimayi akhala akugwiritsidwa ntchito kwambiri mu narlion, biosensors, kuwunika kwa ion, mabatire a catalysislithium ion, ma supercapacitors, ma ceramics otentha kwambiri ndi magawo ena ambiri.

Njira yamagulu  Ti2 AIC
Khodi ya CAS  12537-81-4e
Kufotokozera  imvi-wakuda ufa
Kusungunuka  2000 t
Kulemera kwa maselo  195 .7
NTCHITO  Zipangizo zapadera za ceramic, zida zamagetsi, kutentha kwambiri kwazinthu zosankhira zinthu zopangira burashi, zida za anticorrosion ndi kutentha kwakukulu

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Titaniyamu-aluminiyamu carbide (TI-Al carbide) ndi mtundu watsopano wamitundu itatu yosanjikiza ya ceramic, zakuthupi, zomwe zakhudzidwa kwambiri ndi asayansi zakuthupi ndi mafizikiki chifukwa cha mawonekedwe ake apadera.
Titanium aluminiyamu carbide (Ti2AlC) ndi ya hexagonal crystal system, ndipo ili ndi mawonekedwe azitsulo ndi ziwiya zadothi: imakhala ndimayendedwe ofanana ndi kutentha kwazitsulo, komanso imakhala ndi modulus yofananira kwambiri komanso yotentha kwambiri ngati makina a ceramic , yokhala ndi magwiridwe antchito abwino komanso kutenthetsera kutentha, ma modulus otsekemera komanso kuuma kwa Vickers, komanso kuwonongeka kosavuta kukana.

Ikhoza kusinthidwa kutentha kutentha ndikupanga mapindikidwe apulasitiki pamatenthedwe otentha.Ilinso ndi bata lokhazikika pakukhala ndi kutentha kwa makutidwe ndi okosijeni. Ilinso ndi kutenthetsa kwabwino kwamagetsi, kukana kuwonongeka komanso kukana kwakanthawi kwamankhwala.
MAX magawo a ziwiya zadothi (kuphatikiza Ti3SiC2, Ti2AlC, ndi zina zambiri) ndi mtundu watsopano wazowumba zoumbika bwino. Zoumbaumba izi zimakhala ndi ma carbide kapena ma nitridi opitilira makumi asanu ndi limodzi. M amayimira chitsulo cham'mbuyo cham'gulu losintha; A imayimira zinthu za gulu lalikulu, makamaka zinthu za gulu lachitatu ndi gulu lachinayi; X ndi ya kaboni kapena nayitrogeni. Ti3SiC2 ndiophunzira kwambiri. Ti3SiC2 idakonzedwa bwino ndikukanikiza kotentha mu 1996 ndi Pulofesa Barsoum M waku Drexel University ku United States ndipo zida zake zabwino zidapezeka. Chifukwa cha kapangidwe kake kosalala ka nanometer, mtundu uwu wa ceramic umakhala ndi zinthu monga kukaniza makutidwe ndi okosijeni, kudzipaka mafuta, kuphwanya kwakukulu, kulimba kwa firiji ndi madutsidwe. Zinthu zamtunduwu zitha kugwiritsidwa ntchito ngati zinthu zotentha kwambiri, zopangira ma elekitirodi, zopangira mankhwala ndi zotenthetsera kutentha kwambiri. Zogulitsazo zimagwiritsidwa ntchito popangira kutentha kwambiri, zotsogola za MXene, zopangira mafuta odzipangira okhaokha, mabatire a lithiamu ion, ma supercapacitors, electrochemical catalysis.

Magawo aluso a Ti2AlC:

chinthu chizindikiro
 makinakatundu kupanikizika mphamvu (MPa) 764
kupinda mphamvu (MPa) 375 ± 15
kuswa kukhazikika (MPa ?? m1 / 2) 7.2
Vickers kuuma (GPa) 3.5
Achinyamata modulus (GPa) 297
zamagetsikatundu Madutsidwe osakwatira (× 106S ?? m ﹣ 1) 2.9 mpaka 25 ℃)
0.85 (800 ℃)
kutentha koyefishienti kukana (× 10﹣3K, 1) 3.1
matenthedwekatundu koyefishienti ya kukula matenthedwe expansivity matenthedwe 9.0
mphamvu yotentha (J ?? mol ﹣ 1 ?? K ﹣ 1) ﹣﹣
kutentha madutsidwe (W ?? m ﹣ 1 ?? K ﹣ 1) ﹣﹣
matenthedwe kukaniza Zabwino
kutentha kwakukulu Zabwino

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