I-sintered silicon carbide iyinto ebalulekile ye-ceramic, esetshenziswa kabanzi ezindaweni zokushisa okuphezulu, umfutho ophezulu kanye namandla aphezulu. Ukusabela kwe-sic kuyisinyathelo esibalulekile ekulungiseleleni izinto ze-SIC ezi-sintered. Ukulawulwa okuhle kokusabela kwe-sintered silicon carbide kungasisiza ukuthi silawule kangcono izimo zokusabela futhi sithuthukise ikhwalithi yomkhiqizo.
1. Ukuthuthukisa izimo ze-silicon carbide ezibangela ukusabela okubuhlungu
Izimo zokusabela ziyimingcele ebalulekile yokusabela kwe-sintered silicon carbide, okuhlanganisa izinga lokushisa lokusabela, ingcindezi yokusabela, isilinganiso sesisindo se-reactant kanye nesikhathi sokusabela. Lapho wenza izimo zokusabela zibe ngcono, kuyadingeka ukulungisa ngokwezidingo ezithile zokusetshenziswa kanye nendlela yokusabela.
(1) Izinga lokushisa lokusabela: Izinga lokushisa lokusabela lingenye yezinto ezibalulekile ezithinta isivinini sokusabela kanye nekhwalithi yomkhiqizo. Ngaphakathi kobubanzi obuthile, izinga lokushisa lokusabela liphakeme, isivinini sokusabela sishesha futhi ikhwalithi yomkhiqizo iphakeme. Kodwa-ke, izinga lokushisa lokusabela eliphezulu kakhulu lizoholela ekwandeni kwama-pores kanye nemifantu kumkhiqizo, okuthinta ikhwalithi yomkhiqizo.
(2) Ukucindezela kokusabela: Ukucindezela kokusabela nakho kunomthelela esivinini sokusabela kanye nokuminyana komkhiqizo. Ngaphakathi kobubanzi obuthile, lapho ukucindezela kokusabela kuphakeme, isivinini sokusabela sishesha futhi ukuminyana komkhiqizo kuphakeme. Kodwa-ke, ukucindezela kokusabela okuphezulu kakhulu kungaholela ekwandeni kwama-pores kanye nemifantu kumkhiqizo.
(3) Isilinganiso sesisindo se-reactant: Isilinganiso sesisindo se-reactant singenye into ebalulekile ethinta isivinini se-reaction kanye nekhwalithi yomkhiqizo. Uma isilinganiso sesisindo se-carbon ne-silicon sifanele, izinga lokusabela kanye nekhwalithi yomkhiqizo. Uma isilinganiso sesisindo se-reactant singafanele, sizothinta isivinini se-reaction kanye nekhwalithi yomkhiqizo.
(4) Isikhathi sokusabela: Isikhathi sokusabela singenye yezinto ezithinta isivinini sokusabela kanye nekhwalithi yomkhiqizo. Ngaphakathi kobubanzi obuthile, isikhathi sokusabela side, isivinini sokusabela siyancipha futhi ikhwalithi yomkhiqizo iphakeme. Kodwa-ke, isikhathi eside kakhulu sokusabela sizoholela ekwandeni kwama-pores kanye nemifantu kumkhiqizo, okuthinta ikhwalithi yomkhiqizo.
2. Ukulawulwa kwenqubo ye-silicon carbide eshintshashintshayo
Enqubweni yokusabela kwe-sintered silicon carbide, kuyadingeka ukulawula inqubo yokusabela. Umgomo wokulawula ukuqinisekisa ukuthi ukusabela kuzinzile futhi ikhwalithi yomkhiqizo iyahambisana. Ukulawulwa kwenqubo yokusabela kuhlanganisa ukulawula izinga lokushisa, ukulawula ingcindezi, ukulawula umoya kanye nokulawula ikhwalithi ye-reactant.
(1) Ukulawula izinga lokushisa: Ukulawula izinga lokushisa kungenye yezici ezibalulekile zokulawula inqubo yokusabela. Ukulawula izinga lokushisa Izinga lokushisa lokusabela kufanele lilawulwe ngokunembe ngangokunokwenzeka ukuqinisekisa inqubo yokusabela ezinzile kanye nekhwalithi yomkhiqizo ehambisanayo. Ekukhiqizeni kwanamuhla, uhlelo lokulawula ikhompyutha luvame ukusetshenziselwa ukulawula ngokunembile izinga lokushisa lokusabela.
(2) Ukulawula ingcindezi: Ukulawula ingcindezi kungenye isici esibalulekile sokulawula inqubo yokusabela. Ngokulawula ingcindezi yokusabela, ukuzinza kwenqubo yokusabela kanye nokuvumelana kwekhwalithi yomkhiqizo kungaqinisekiswa. Ekukhiqizweni kwanamuhla, uhlelo lokulawula ikhompyutha luvame ukusetshenziswa ukulawula ngokunembile ingcindezi yokusabela.
(3) Ukulawulwa kwesimo sezulu: Ukulawulwa kwesimo sezulu kubhekisela ekusetshenzisweni komkhathi othize (njengomkhathi ongasebenzi) enkambisweni yokusabela ukulawula inqubo yokusabela. Ngokulawula umkhathi, kungenzeka ukuqinisekisa ukuzinza kwenqubo yokusabela kanye nokuvumelana kwekhwalithi yomkhiqizo. Ekukhiqizweni kwanamuhla, umkhathi uvame ukulawulwa uhlelo lokulawula ikhompyutha.
(4) Ukulawulwa kwekhwalithi ye-Reactant: Ukulawulwa kwekhwalithi ye-Reactant kungenye yezici ezibalulekile ukuqinisekisa ukuzinza kwenqubo yokusabela kanye nokuvumelana kwekhwalithi yomkhiqizo. Ngokulawula ikhwalithi ye-reactants, ukuzinza kwenqubo yokusabela kanye nokuvumelana kwekhwalithi yomkhiqizo kungaqinisekiswa. Ekukhiqizweni kwesimanje, uhlelo lokulawula ikhompyutha luvame ukusetshenziswa ukulawula ikhwalithi ye-reactants.
Ukulawulwa okuhle kwe-silicon carbide e-reaction-sintered kuyisinyathelo esibalulekile sokulungiselela izinto ze-silicon carbide ezisezingeni eliphezulu. Ngokwenza ngcono izimo zokusabela, ukulawula inqubo yokusabela kanye nokuqapha imikhiqizo yokusabela, ukuzinza kwenqubo yokusabela kanye nokuvumelana kwekhwalithi yomkhiqizo kungaqinisekiswa. Ezisetshenzisweni ezisebenzayo, ukusabela kwe-silicon carbide e-sintered kudinga ukulungiswa ngokuya ngezimo ezithile zokusetshenziswa ukuze kuhlangatshezwane nezidingo zokusetshenziswa ezahlukene.
Isikhathi sokuthunyelwe: Julayi-06-2023