I-sintering engacindezeli ye-silicon carbide: inkathi entsha yokulungiswa kwezinto zokushisa okuphezulu

Izakhiwo zezinto ezibonakalayo ngaphansi kokungqubuzana, ukuguga kanye nezimo zokushisa eziphakeme ziya ngokuya zidingeka, futhi ukuvela kwezinto ezisetshenziswayo ze-silicon carbide ezingacindezeli kusinikeza isixazululo esisha. I-silicon carbide engena-Pressureless sintered iyimpahla ye-ceramic eyakhiwe nge-sintering silicon carbide powder ngaphansi kwengcindezi ephansi noma ngaphandle kwezimo zengcindezi.

Izindlela zendabuko ze-sintering ngokuvamile zidinga ukucindezela okuphezulu, okwandisa inkimbinkimbi nezindleko zenqubo yokulungiselela. Ukuvela kwe-non-pressure sintering silicon carbide method kusishintshile lesi simo. Ngaphansi kwesimo sokungabi bikho kwengcindezi, i-silicon carbide powder ihlanganiswa ekushiseni okuphezulu ngokusakazwa okushisayo nokusabela kwendawo ukuze yakhe i-ceramic material eminyene.

I-silicon carbide ye-Sintered ngaphandle kwengcindezi inezinzuzo eziningi. Okokuqala, izinto ezilungiselelwe yile ndlela zine-high density kanye ne-microstructure efanayo, ethuthukisa izakhiwo zemishini nokugqoka ukumelana kwezinto. Okwesibili, akukho mishini eyengeziwe yokucindezela edingekayo enqubweni ye-sintering engenasici, eyenza inqubo yokulungiselela ibe lula futhi inciphise izindleko. Ngaphezu kwalokho, indlela ye-non-pressure sintering ingakwazi futhi ukubona ukulungiswa kobukhulu obukhulu kanye nokuma okuyinkimbinkimbi kwemikhiqizo ye-silicon carbide, futhi yandise insimu yokufaka isicelo.

Izinto ze-silicon carbide ze-Sintered ngaphandle kwengcindezi zinebanga elibanzi lamandla ekusetshenzisweni kokushisa okuphezulu. Zingasetshenziswa ezitofini zokushisa okuphezulu, izinzwa zokushisa okuphezulu, imishini yamandla kanye ne-aerospace. Ngenxa yokuqina kwayo okuhle kakhulu kwezinga lokushisa eliphezulu, ukumelana nokugqoka kanye ne-thermal conductivity, izinto zokwakha ze-silicon carbide ezingacindezeli zingamelana namazinga okushisa aphezulu nezimo zokusebenza ezinzima.

Kodwa-ke, kusenezinselelo ezithile ekulungiseni inqubo ye-silicon carbide engeyona ingcindezi, njengokulawula izinga lokushisa le-sintering nesikhathi, ukuhlakazeka kwempushana nokunye. Ngokuthuthuka okuqhubekayo kobuchwepheshe kanye nokucwaninga okujulile, singalindela ukusetshenziswa okubanzi kanye nokuthuthukiswa okuqhubekayo kokusebenza kwe-non-pressure sintering silicon carbide indlela emkhakheni wezinto zokushisa eziphezulu.

Kafushane, i-silicon carbide engeyona i-pressure sintered ivula inkathi entsha yokulungiswa kwezinto ezinokushisa okuphezulu ngokwenza kube lula inqubo yokulungiselela, ukuthuthukisa izakhiwo zezinto ezibonakalayo nokwandisa ububanzi besicelo. Ngokuthuthuka kobuchwepheshe, izinto zokwakha ze-silicon carbide ezingezona ingcindezi zizobonisa amandla amakhulu ekusetshenzisweni kwezinga lokushisa eliphezulu futhi zilethe izinhlelo zokusebenza ezintsha ezimbonini ezahlukahlukene.