Paukū Carbide Aluminium, Al4C3

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Paukū Carbide Aluminium, Al4C3

Hoʻohana ʻia i ka metallurgy ma ke ʻano he catalyst a me ka hana methane.
Hoʻohana pinepine ʻia ʻo Carbide carbide ma ke ʻano he mea hoʻohui e hoʻonui ai i ka ikaika o ʻekolu mau kumu kumu alumini (al-Si-ALC, al-AlTI-ALC). Hoʻohui ʻia, he hui nui ʻo AlC ma ke kahua o ka ʻenehana ʻoihana metala-alumini.


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Kaulana Molecular  Al4c3
Kānāwai CAS  1299-86-1
Nā ʻano  paukū ʻeleʻele hina
Kuhi hoʻoheheʻe  2100'C
ʻĀpana pili (wai = 1) 2. 36g / cm3
Hoʻohana  no ka metallurgy a me ka catalyst, hiki ke hoʻohana ʻia i ka carbide alumini e like me ke abrasive high-speedcutting tool abrasive

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Kalepona kalapona
ʻO ke kumumanaʻo kemikal Al4C3
Kaupaona Molecular 143.96 CAS
Ka helehelena a me nā waiwai: melemele a i ʻole ʻōmaʻomaʻo ʻōmaʻomaʻo hina a i ʻole pauka, hygroscopic.
Kuhi hoʻoheʻe (℃): 2100
Ka nui pili (wai = 1): 2.36
Kuhi paila (℃): 2200 (decomposition)
Palehua: ʻole i ka acetone
palapala noi
Hoʻohana ʻia i ka metallurgy ma ke ʻano he catalyst a me ka hana methane.
Hoʻohana pinepine ʻia ʻo Carbide carbide ma ke ʻano he mea hoʻohui e hoʻonui ai i ka ikaika o ʻekolu mau kumu kumu alumini (al-Si-ALC, al-AlTI-ALC). Hoʻohui ʻia, he hui nui ʻo AlC ma ke kahua o ka ʻenehana ʻenehana hao. Hoʻohana ʻia ia no ka hōʻemi ʻana i nā oxide metala i loko o ka ʻoihana metallurgical, nā catalist hopena kemika i ka ʻoihana kemika, a me nā mea pālolo holomua e like me ke kiʻekiʻe o ka mahana, keʻoki ʻana a me ka pala i ka ʻoihana pālolo. Ma ke ʻano he hoʻohui ionic, loaʻa nā ʻātoma o ke kalapona i kahi palapala C i hoʻokaʻawale ʻia i loko o ka hanana latike o AlC. He ikaika alkalinity ʻo C a hoʻopuka i ka methane ma o C + 4H → CH i ka wā o ka hydrolysis, no laila ʻo AlC kekahi ACTS ma ke ʻano he methane generator a me desiccant. I ka manawa like, ka rhombohedron o
ʻO AlC kahi ʻāpana stacked alternate o nā ʻāpana AlC a me AlC. ʻO kēia hanana ʻokoʻa nāna e hana i hoʻokahi dimensional AlC nanowires i kahi emitter anu uila uila.

1) hoʻomākaukau ʻia ka pauka nitride aluminika ma muli o ka aluminika carbide, me:
(a) kahi huina kūpono o ka micron aluminika pauka a me ka micron carbon pauka i hui like ʻia, hoʻomehana ʻia i kahi mahana i koho mua ʻia i kahi lewa inert, mālama ʻia no kahi manawa o ka manawa, a laila hana ʻia e hana i ka carbide alumini;
(b) Hoʻonā wela i ka carbide alumini i kahi mahana i koho mua ʻia i ke kahe ʻana o ka amonia a i ʻole ke kinoea nitrogen a paʻa iā ia no kekahi manawa, a hana me ka kinoea amonia a i ʻole ke kinoea nitrogen e hana i ka nitride alumini i kahi wahi wela kiʻekiʻe. Ma o ka mea i hana ʻia, hiki ke hoʻomākaukau ʻia ka pauma nitride alumini i kahi mahana haʻahaʻa haʻahaʻa, me ka maʻemaʻe kiʻekiʻe, ka liʻiliʻi liʻiliʻi a me ka nui o ka nui o ka liʻiliʻi liʻiliʻi, ka conductivity wela kiʻekiʻe a me nā pono thermal a me nā mechanical pono, i hiki ke hoʻohana ākea ʻia i ke kahua o ka puni kaapuni. mea pono substrate.
Ua hoʻomākaukau ʻia kahi nanoribbon carbide aluminika. Hoʻokomo ʻia ka ipu hao me ke kinikini aluminika-silikona i ka umu ahi, pani ʻia ka puka o ka umu ahi a hoʻā ʻia ka umu ahi i 50Pa ~ 10-3Pa, a laila hoʻopiha ʻia ke kinoea pale me ka argon, a wela ka wela i 700 ℃ ~ 1600 ℃ no nā hola 1-20, a laila hoʻomaʻalili ʻia ka ipu hao i ka mahana maʻamau, a hana ʻia he mau nanoribbona melemele melemele melemele ma luna o ka oka a me ka paia o ka ipu hao graphite. ʻO nā nanoribons carbon carbide i hoʻomākaukau ʻia e ka mea hou he lahilahi ka lahilahi a he mau impurities; ʻO ka lōʻihi o nā nanoribons carbide alumini he mau millimeter.

ʻO ke kumukūʻai o ka hoʻoulu ʻana i nā nanoribbons carbide aluminium he haʻahaʻa loa. ʻAʻohe haumia kaiapuni, lako pono hoʻomākaukau maʻalahi.

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