Ezimbonini eziningi, amanye amapayipi abekezelela buthule izimo zokusebenza ezinzima: izinga lokushisa eliphezulu, ukugqwala okuqinile, nokuguga okuphezulu. 'Ziyimithambo yegazi yezimboni' eqinisekisa ukukhiqizwa okuqhubekayo nokuzinzile. Namuhla sizokhuluma ngelinye elivelele kulolu hlobo lwepayipi -ipayipi le-silicon carbide ceramic.
Abantu abaningi bacabanga ngokuthi "brittle" lapho bezwa "ceramic". Kodwa izimboni ze-silicon carbide ceramics ziphishekela "ubulukhuni" bokugcina "nokuqina". Ukuqina kwayo kuphakeme kakhulu, futhi ukumelana kwayo nokugqokwa kwedlula kude okwensimbi nenjoloba. Ingakwazi ukumelana nokuguguleka koketshezi olunesivinini esikhulu esiqukethe izinhlayiya eziqinile isikhathi eside; Izakhiwo zamakhemikhali zizinzile futhi zingamelana nokuguguleka kwama-asidi aqinile ahlukahlukene, izisekelo eziqinile, nosawoti; Ngesikhathi esifanayo, ingasebenza ngokuzinza emazingeni okushisa aphezulu futhi imelane namazinga okushisa afika ku-1350 ℃. Ngaphezu kwalokho, ine-conductivity enhle yokushisa kanye nendawo ebushelelezi, okusiza ukunciphisa ukumelana nokuthutha nokusetshenziswa kwamandla.
Kalula nje, amashubhu e-silicon carbide ceramic aklanyelwe ukuxazulula izinkinga zokuhamba "zokushisa, okulimazayo, nokugqwala". Ekuthuthweni kwe-slag nodaka ezimbonini ezifana nezimayini, i-metallurgy, namandla ashisayo, kunganweba kakhulu impilo yesevisi yamapayipi futhi kunciphise isikhathi sokuphumula sokushintshwa; Ekuthuthweni kwemithombo yezindaba eyonakalisayo ezimbonini zamakhemikhali nezemvelo, kungaqinisekisa ukusebenza okuzinzile kwesikhathi eside futhi kunciphise ingozi yokuvuza. Nakuba ukutshalwa kwezimali kokuqala kungase kube phezulu, izinzuzo zesikhathi eside zibalulekile ngokubuka okubanzi kokunciphisa ukulungiswa, ukwehlisa ukusetshenziswa kwamandla, nokuqinisekisa ukukhiqizwa.
Ukwenziwa kwamashubhu e-silicon carbide ceramic kuwumsebenzi obucayi. Imvamisa, i-silicon carbide powder ixutshwa nenani elincane lezithasiselo ukuze kwakhiwe "umzimba oluhlaza" onamandla athile, bese i-sintered ekushiseni okuphezulu ukuze wenze izinto zibe minyene futhi ziqine. Ngokuya ngezidingo ezihlukene, izinqubo ezahlukene ezifana ne-reaction sintering kanye ne-pressless sintering zizokwamukelwa. Ukuze kube lula ukufakwa, amapayipi aphelile ngokuvamile afakwe izingxenye zokuxhuma njengama-flange ensimbi.
Naphezu kokusebenza kwayo okuphezulu, amashubhu e-silicon carbide ceramic aseyizinto zobumba ezidinga "ukwelashwa okumnene" lapho zisetshenziswa. Ukufakwa nokuthutha kufanele kuphathwe ngokucophelela ukugwema umthelela onzima; Qinisekisa ukusekelwa okwanele kanye nesinxephezelo sokunwetshwa kokushisa ukuze ugweme imithwalo eyengeziwe ebangelwa ukucindezeleka kwangaphandle noma izinguquko zokushisa; Ngaphambi kokukhetha izinto zokwakha, kuhle kakhulu ukuthi unjiniyela oqeqeshiwe ahlole indawo ethile, izinga lokushisa kanye nengcindezi ukuze athole isisombululo esifanele kakhulu.
Sekukonke, amashubhu e-silicon carbide ceramic afinyelele ekugcineni "ebukhuni" kanye "nokuqina", ahlinzeka ngezixazululo ezinokwethenjelwa ezimweni ezinzima kakhulu zokudlulisa, futhi "amaqhawe angabonakali".
Isikhathi sokuthumela: Oct-05-2025