Aluminium Carbide

Aluminium Carbide kuyinto kanambambili carbon wezinto aluminium kwakwakhe. ifomula wayo chemical njengoba bhala Al4C3, kubukeka njengoba crystal ophuzi noma brown okhanyayo kokuba igridi eziyinkimbinkimbi kwesakhiwo. It uyakwazi ukumelana ukunyuka kwezinga lokushisa ukuze 1400 ° C ngesikhathi kwabantu 2.36 g / cm³. Njengengxenye ngehele yayo zama-athomu carbon abakhona leyehlukene carbon anions. Le ngxube ibhalwe ngu ukusabela oqondile carbon aluminium esithandweni arc, kubuye kube nenani ezincane amanyela ekhona calcium Carbide umsuka lobuchwepheshe.

Carbide aluminium: Izimpawu kanye Isicelo

ukukhiqizwa aluminium electrolytic kuhilela kwemihlambi enkompolo njengoba umkhiqizo ukugqwala e-graphite electrode. Esimeni lapho Carbide aluminium is wasithukuthelela amanzi noma alulaze acid, kwakhiwa i-methane kuthiwa. Ngaphezu kwalokho, lesi sithako ihlangana umoya-mpilo ne-hydrogen, futhi esimweni yokusabela ngamanzi ukugxilisa ingqondo kulokho okwenzayo hydroxide sodium kwakhiwa usawoti eziyinkimbinkimbi, ngokuthi tetragidroksoalyuminatom methane ne-sodium. Ngokwemvelo, kwakwakhe anezakhi ethize ngokomzimba, ibhekisela le indices yezokubona ezihlobene sodium D-line, futhi ifinyelela 20 ° C. Ngesikhathi esifanayo acabangele ejwayelekile Gibbs amandla futhi entropy esezingeni ekwakhekeni, izinkomba 196 futhi ufinyelele 88,95Dzh / Mol / K. Ukulungiselela lokhu kwakwakhe kungenzeka njengoba umkhiqizo engafuneki eziyinkimbinkimbi zamakhemikhali ukusabela.

Ikakhulukazi, i-matrix metal zezinhlanganisela esekelwe aluminium-matrix luqiniswe metal carbides ezifana boron Carbide ne-silicon Carbide, kungase kube nomthelela kule Carbide aluminium njengoba isici engathandeki. Leso simo kungenzeka endabeni carbon fibre, okuyinto, uma ungena ukuphendula matrix aluminium emazingeni okushisa eqile 500 ° C, futhi inikeza kwakwakhe umgomo. Phakathi ndima ukuthi bayavuma amakhemikhali phakathi aluminium bese waphonsa Silicon Carbide ungqimba kungaba Carbide aluminiyamu, ke izovala Silicon Carbide kuyizinhlayiyana futhi ukunciphisa amandla impahla.

Nokho, lo mphumela zingancishiswa ngu lokunameka izinhlayiya Silicon oxide efanelekayo noma preoxidation tekwakha Silica enamathela. Ukukhomba kangakanani amanzi iqukethe tritium, kwakwakhe is phansi hydrolysis, okuholela methane aluminium Carbide. Kulokhu, lesi sithako isetshenziswa zamakhemikhali reagent ekusabeleni ne kwakwakhe okwesikhashana ngamanzi unika tritium ne-methane. Aluminium Carbide, bahlakazeka ku matrix aluminium, buyasiza ekulondolozeni kwabantu indaba, ikakhulukazi uma kuhlangene zesandulela-silicon Carbide.

izinto Composite aluminiyamu Carbide ingatholakala ngokusebenzisa Alloys mechanical esekelwe aluminium powder graphite izinhlayiya. Njengoba sihambisana nale kwakwakhe isetshenziswa njengenhlangano olwalwenza ukuba ngesivinini cutting amathuluzi, ebanikeza nobulukhuni itopazi. Enye insimu kwesicelo iyona elibona nxazonke pyrotechnics, lapha ke kuvumela ukuthola umphumela Firefly, eliphumela nesenzakalo ngokweqile Sparks. Qaphela ukuthi ezikhathini ezihlukene pyrotechnics, uye njalo yasetshenziswa ngamandla obuhlukahlukene. Ngokuvamile, lokhu kwakwakhe uthola isicelo ebanzi embonini zamakhemikhali ukukhiqizwa ensimini. Lokhu kungenxa izici amakhemikhali Carbide aluminium, ukuhlinzeka izakhiwo zayo eziyingqayizivele okuyizinto nobuntu nezinye izinhlobo zezakhi Carbide iqembu.