Aluminum titanium carbide, Ti3AlC2

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Aluminum titanium carbide, Ti3AlC2

Titanium-aluminium carbide (TI-Al carbide) wani sabon nau'i ne na tsari mai hawa uku wanda yumbu yake, wanda masana kimiyya da masana ilimin kimiyyar lissafi suka damu dashi saboda abubuwan da yake da shi na musamman.


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Titanium-aluminium carbide (TI-Al carbide) wani sabon nau'i ne na tsari mai hawa uku wanda yumbu yake, wanda masana kimiyya da masana ilimin kimiyyar lissafi suka damu dashi saboda abubuwan da yake da shi na musamman.
Titanium aluminum carbide (Ti3AlC2) na tsarin lu'ulu'u ne mai kyalkyali, kuma yana da halaye irin na karfe da kayan kwalliya: yana da kwatankwacin aiki iri daya da zafin rana kamar na karfe, amma kuma yana da madaidaiciyar madaidaiciyar yanayin kwalliya da kyawawan kayan zafin jiki masu kyau kamar yumbu , tare da kyakkyawar ma'amala da iya sarrafawar zafin jiki, haɓakar haɓakar roba mai ƙarfi da ƙananan taurin Vickers, da iyawar juriya mai lalacewa mai kyau. Yana za a iya machined a dakin da zazzabi da kuma haifar da nakasawa roba a high zazzabi. Har ila yau yana da kyakkyawan yanayin zafin jiki mai kyau da haɓakar haɓakar iska. Hakanan yana da kyakkyawan juriya na girgizar yanayin zafi, juriya mai lalacewa da kyakkyawan juriya lalata lalata sinadarai.
MAX tukwane na zamani (gami da Ti3SiC2, Ti3AlC2, da dai sauransu) sabon salo ne na kayan kwalliyar da ake iya sarrafawa. Waɗannan tukwanen sunadarai sun ƙunshi sama da sittin sittin na ƙasa ko nitrides. M yana tsaye ne don ƙarfen ƙarfe na rukuni na miƙa mulki; A yana wakiltar abubuwan babban rukuni, galibi abubuwan ƙungiyar rukuni na uku da rukuni na huɗu; X shine don carbon ko nitrogen.

Ti3SiC2 shine mafi yawan karatun. An sami nasarar kirkirar Ti3SiC2 ta hanyar matsi mai zafi a shekarar 1996 ta hanyar farfesa Barsoum M na Jami'ar Drexel a Amurka kuma an sami kyawawan abubuwan da suka dace. Saboda keɓaɓɓiyar matattarar nanometer mai tsarin kristal, irin wannan kayan yumbu yana da irin waɗannan kaddarorin kamar haɓakar iskar shaka, shafa mai kai, tsananin ƙarancin karaya a ɗakin zafin jiki da kuma yanayin aiki. Irin wannan kayan ana iya amfani dasu ko'ina azaman babban tsarin zafin jiki, kayan goge wutan lantarki, kayan haɓakar sinadarai da haɓakar dumama zafin jiki. Ana amfani da samfuran don manyan rufin zafin jiki, MXene precursors, conductive lubricating ceramics, lithium ion batir, supercapacitors, electrochemical catalysis.
Sigogin fasaha na Ti3AlC2:

abu siga
 inji

dukiya

compressive ƙarfi (MPa) 764
lankwasa ƙarfi (MPa) 375 ± 15
karya karfin gwiwa (MPa ?? m1 / 2) 7.2
Vickers taurin (GPa) 3.5
Matasan matasa (GPa) 297
lantarkidukiya Gudanar da aure ((106S ?? m ﹣ 1) 2.9 (25 ℃)
0.85 (800 ℃)
Yanayin zafin jiki na juriya × × 10﹣3K ﹣ 1) 3.1
na thermalkaddarorin coefficient na thermal fadada karin fadada

(10﹣6K ﹣ 1)

9.0
arfin zafi (J ?? mol ﹣ 1 ?? K ﹣ 1) -
yanayin zafi (W ?? m ﹣ 1 ?? K ﹣ 1) -
juriya mai saurin zafi Lafiya
high zazzabi kwanciyar hankali Lafiya

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