Aluminium titanium carbide, Ti2AlC

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Aluminium titanium carbide, Ti2AlC

MAX chikamu chemhando imwe mhando nyowani ye conductive zvedongo zvinhu izvo zvakajairika zvakavanzika .Iyo yakakosha kemikari fomula ndeye M (n + I) Axn. A: Kurwara A uye VA makuru eboka zvinhu X: cartor nitrogen.


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MAX chikamu chemhando imwe mhando nyowani ye conductive zvedongo zvinhu izvo zvakajairika zvakavanzika .Iyo yakakosha kemikari fomula ndeye M (n + I) Axn. A: Kurwara A uye VA makuru eboka zvinhu X: cartor nitrogen. Iyo yakasarudzika nano-yakarongedzwa kristaro dhizaini yeMAX chikamu zvinhu inoita kuti ibatanidze iyo yakanakisa zvivakwa zvesimbi uye ceramics, senge yakakwira conductivity, hightemperature kuramba, oxidation kuramba, radiation radiation ngura kuramba, ete. Parizvino, mhando yevakomana yave ichishandiswa zvakanyanya mu narlion, biosensors, ion kuongorora, catalysislithium ion mabhatiri, supercapacitors, yakanyanya tembiricha keramiki uye mamwe akawanda minda.

Molecular fomula  Ti2 AIC
CAS kodhi  12537-81-4e
Tsananguro  pfumbu-pfumbu nhema
Nzvimbo yakanyunguduka  2000 t
Molecular uremu  195 .7
KUSHANDISA  Max yakakosha zvedongo zvinhu, zvemagetsi zvigadzirwa, yakanyanya tembiricha dhizaini zvinhuselectrode bhurashi zvinhu, kemikari anticorrosion zvinhu uye yakanyanya tembiricha kupisa zvinhu

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>> XRD

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>> Yakabatana data

Titanium-aluminium carbide (TI-Al carbide) imhando nyowani yetatu-nhurikidzwa chimiro ceramic, zvinhu, izvo zvave kunetsekana zvakanyanya nevasayendisiti vezvinhu uye vefizikisi nekuda kwenzvimbo dzayo dzakasiyana.
Titanium yealuminium carbide (Ti2AlC) ndeyenzvimbo yakakomberedzwa nekristaro, uye iine hunhu hwesimbi neye ceramics: ine imwecheteyo conduction uye kupisa conduction sesimbi, asi zvakare iine yakafanana yakakwira elastic modulus uye yakanakisa yepamusoro-tembiricha mehunyanzvi zvivakwa seceramic. , ine yakanaka conductivity uye kupisa conduction kugona, yakakwira elastic modulus uye yakaderera Vickers kuomarara, uye yakanaka kukuvara kuramba kugona.

Inogona kuvezwa kumakamuri tembiricha uye kuburitsa epurasitiki deformation pakakwirira tembiricha.Iine zvakare yakanaka yepamusoro tembiricha kugadzikana uye oxidation kuramba. Iyo zvakare ine yakanaka yekupisa yekuvhunduka kuramba, kukuvara kuramba uye yakanakisa kemikari ngura kuramba.
MAX chikamu ceramics (kusanganisira Ti3SiC2, Ti2AlC, nezvimwewo) rudzi rutsva rweyakagadziriswa conductive ceramics. Aya maceramics ane anopfuura makumi matanhatu ternary carbides kana nitrides. M anomirira pamberi pesimbi elementi yeboka rekushandura; A inomiririra zvinhu zveboka guru, kunyanya zvinhu zveboka rechitatu neboka rechina; X ndeye kabhoni kana nitrogen. Ti3SiC2 ndiyo inonyanya kudzidza zvakanyanya. Ti3SiC2 yakabudirira kugadzirwa nekupisa kwakatsisa muna 1996 naPurofesa Barsoum M weDrexel University muUnited States uye nzvimbo dzayo dzakanaka dzakawanikwa. Nekuda kweiyo yakasarudzika nanometer yakatsemurwa sekristaro chimiro, irwo rudzi rwe ceramic zvinhu zvine zvivakwa zvakaita se oxidation kuramba, kuzvidzora-lubrication, kwakanyanya kutsemuka, kuomarara patembiricha yemukati uye kuitisa. Rudzi urwu rwezvinhu runogona kushandiswa zvakanyanya seyakanyanya tembiricha dhizaini zvinhu, electrode brashi zvinhu, kemikari anticorrosive zvinhu uye yakanyanya tembiricha kupisa chinhu. Zvigadzirwa izvi zvinonyanya kushandiswa pakushongedza kwepamusoro, MXene precursors, inoitisa yega-yekuzora maceramiki, lithium ion mabhatiri, supercapacitors, electrochemical catalysis.

Technical parameter yeTi2AlC:

chinhu paramende
 michinapfuma simba rekumanikidza, MPa) 764
vakakotamisa simba (MPA) 375 ± 15
kutyora kusimba (MPa ?? m1 / 2) 7.2
Vickers kuomarara (GPa) 3.5
Mudiki modulus (GPa) 297
magetsipfuma Imwechete conductivity (× 106S ?? m ﹣ 1) 2.9 (25 ℃)
0.85 (800 ℃)
tembiricha coefficient yekushora (× 10﹣3K, 1) 3.1
chafarizzvivakwa kuenzana kwekushisa kwekuwedzera kuwedzera kupisa (× 10-6K, 1, 9.0
kupisa simba (J ?? mol ﹣ 1 ?? K ﹣ 1) ﹣﹣
kupisa conductivity ?? W ?? m ﹣ 1 ?? K ﹣ 1) ﹣﹣
chafariz kuvhunduka nemishonga Zvakanaka
yakakwira tembiricha kugadzikana Zvakanaka

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