211Aluminum titanium carbide, Ti2AlC

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211Aluminum titanium carbide, Ti2AlC

ʻO ka MAX pae manawa kahi ʻano hou o nā mea kālika conductive i kuhi ʻia. ʻO ke kumumanaʻo kemika maʻamau ʻo M (n + I) Axn. A: Ill A a me nā hui nui o ka hui X: nitrogen cartor.


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ʻO ka MAX pae manawa kahi ʻano hou o nā mea kālika conductive i kuhi ʻia. ʻO ke kumumanaʻo kemika maʻamau ʻo M (n + I) Axn. A: Ill A a me nā hui nui o ka hui X: nitrogen cartor. ʻO ke ʻano aniani kū hoʻokahi nano-layered o ka MAX pae i hiki ai iā ia ke hoʻohui i nā waiwai maikaʻi o ka metala a me nā keramika, e like me ka conductivity kiʻekiʻe, ke kūpaʻa o ka hightemperature, ke kūpikipiki ʻino, ke kūpaʻa kūwaha radiation, ete. I kēia manawa, ua hoʻohana ākea ʻia ka thkind o matenal i narlion, biosensors, kānana ion, catalysislithium ion bateri, supercapacitors, pāmahana kiʻekiʻe pāmahana a me nā mahina ʻē aʻe.

Kaulana Molecular  Ti2 AIC
Code CAS  12537-81-4e
Wehewehe  pauka hina-ʻeleʻele
Kuhi hoʻoheheʻe  2000 t
Kaumaha Molecular  195 .7
Hoʻohana  ʻO nā mea pālolo kūikawā Max, nā pono uila, nā pono hana wela kiʻekiʻe materialselectrode palaki nā mea, nā mea anticorrosion kemika a me nā mea hoʻomehana wela kiʻekiʻe.

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ʻO ka Titanium-aluminika carbide (TI-Al carbide) kahi ʻano hou o ʻekolu mau papa o ka ceramic, nā mea, i hopohopo nui ʻia e nā ʻepekema waiwai a me nā physicists ma muli o kāna mau waiwai kū hoʻokahi.
ʻO ka titanium aluminika carbide (Ti2AlC) pili i ka ʻōnaehana aniani hexagonal, a he mau ʻano like me nā metala a me nā keramika: like ka conductivity a me ka conduction wela e like me ka mea hao, akā he ʻano lula kiʻekiʻe elima a me nā pono mechanical mehana kiʻekiʻe e like me ka ceramic , me ka conductivity maikaʻi a me ka hiki ke hoʻoiho wela, ke kiʻekiʻena modulus kiʻekiʻe a me ka paʻakikī Vickers haʻahaʻa, a me ka hiki ke kūpaʻa maikaʻi maikaʻi.

Hiki ke mīkini ʻia i ka mahana o ka lumi a hana i ka deformation ea ma ke ana wela kiʻekiʻe. He kūpaʻa wela kiʻekiʻe maikaʻi hoʻi a me ke kūpaʻa oxidation. Loaʻa iā ia kahi kūpikipiki kūpale kūpale maikaʻi, kūpaʻa hōʻino a me ke kūpaʻa kūpahū ʻino maikaʻi.
ʻO nā ceramic pae MAX (me Ti3SiC2, Ti2AlC, a me nā mea ʻē aʻe) he ʻano hou o nā ceramic conductive i hiki ke hoʻoliʻiliʻi ʻia. Aia i loko o kēia mau keramika ma mua o kanaonokū mau makahiki o nā karbides a i ʻole nā ​​nitrides. Kū ʻo M i ka mea hao mua o ka hui hoʻololi; Hōʻike ʻo A i nā mea o ka hui nui, nā mea nui o ka hui ʻekolu a me ka pūʻulu ʻehā; ʻO X no carbon a nitrogen paha. ʻO Ti3SiC2 ka mea i aʻo nui ʻia. Ua hana maikaʻi ʻia ʻo Ti3SiC2 e kaomi wela ma 1996 e Professor Barsoum M o ke Kulanui ʻo Drexel ma United States a ua loaʻa nā waiwai maikaʻi loa. Ma muli o kona hanana nanometera layered aniani kūkulu, ʻo kēia ʻano mea pālolo he mau waiwai e like me ke kūpaʻa ʻana o ka oxidation, self-lubrication, haki kiʻekiʻe, paʻakikī ma ka mahana o ka lumi a me ka lawe ʻana. Hiki ke hoʻohana ākea ʻia kēia ʻano mea e like me ke kiʻekiʻena hoʻolālā wela, nā mea uila uila, nā mea anticorrosive kemika a me nā mea hoʻomehana wela kiʻekiʻe. Hoʻohana nui ʻia nā huahana no nā pale wela kiʻekiʻe, MXene precursors, conductive lubricating ceramics, lithium ion batteries, supercapacitors, catalysis electrochemical.

Nā palena kikoʻī o Ti2AlC:

'ikamu hāmeʻa
 mīkiniwaiwai ikaika compressive (MPa) 764
anuenue ikaika (MPa) 375 ± 15
uhai i ka ulia (MPa ?? m1 / 2) 7.2
ʻOʻoleʻa Vickers (GPa) 3.5
Hoʻololi ʻōpio (GPa) 297
uilawaiwai Hoʻokahi hoʻokele (× 106S ?? m ﹣ 1) 2.9 (25 ℃)
0.85 (800 ℃)
mahana coefficient o ke kūpale (× 10﹣3K ﹣ 1) 3.1
pumehanawaiwai coefficient o ka hoʻonui hoʻonui wela (× 10﹣6K ﹣ 1) 9.0
hiki heat J ?? mol ﹣ 1 ?? K ﹣ 1) -
wela (W ?? m ﹣ 1 ?? K ﹣ 1) -
kūpale kūpikī wela Maikaʻi
kūpaʻa wela kiʻekiʻe Maikaʻi

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