Ububi obukhulu kakhului-silicon carbideukuthi kunzima ukwenza isono!
I-silicon nitride ibiza kakhulu!
Ukuguqulwa kwesigaba kanye nomphumela wokuqina we-zirconia awuzinzile futhi ngezinye izikhathi uyasebenza. Uma le nkinga isixazululiwe, hhayi i-zirconia kuphela, yonke insimu ye-ceramic ingase ibe nempumelelo!
I-Alumina ivame kakhulu futhi ishibhile, futhi inokumelana okuhle nokushisa.
I-Zirconia inokumelana nokuguguleka okungcono kune-alumina kanye nokushisa okuphezulu, kodwa ukumelana kwayo nokushaqeka kokushisa kubi kakhulu kune-alumina.
I-silicon nitride inezakhiwo ezinhle eziphelele njengokumelana nokuguguleka kanye nokumelana nokushaqeka kokushisa, kodwa izinga lokushisa lokusetshenziswa liphansi kunezinye ezimbili. Okubiza kakhulu.
I-Alumina ceramics yizinto zokuqala ezisetshenziswayo ze-ceramic. Intengo eshibhile, ukusebenza okuzinzile kanye nemikhiqizo ehlukahlukene. Imakethe ngokuqinisekile iyona i-alumina enkulu nenkulu kunazo zonke, kungani? Qhathanisa lezi ezimbili zokugcina futhi uzoqonda.
Iqhathaniswa kakhulu ngokusebenza kanye nentengo. Bese kuba ngcono ngokwezindleko uma kubhekwa emakethe.
Ngokuphathelene nentengo, i-alumina iyona eshibhile kakhulu, futhi inqubo yokulungiselela izinto zokusetshenziswa kwempuphu nayo isivuthiwe kakhulu. Lezi ezimbili zokugcina zinezinkinga ezisobala kulokhu, okungenye yezingqinamba ezivimbela ukuthuthukiswa kwalezi ezimbili zokugcina.
Ngokusebenza kahle, izakhiwo zemishini ezifana namandla nokuqina kwe-silicon nitride ne-zirconia zingcono kakhulu kuneze-alumina. Kubonakala sengathi ukusebenza kwezindleko kufanelekile, kodwa empeleni kunezinkinga eziningi.
Ngokombono we-zirconia, inokuqina okuphezulu ngenxa yokuba khona kweziqinisi, kodwa ukuqina kwayo okuphezulu kuyashesha. Isibonelo, ngemva kokuba idivayisi ye-zirconia ishiywe emoyeni isikhathi esithile, izolahlekelwa ukuzinza futhi ukusebenza kwayo kuzokwehla kakhulu noma kuqhekeke! !! Ngaphezu kwalokho, akukho sigaba esizinzile ekushiseni okuphezulu, ngakho-ke akukho ukuqina okuphezulu. Ngakho-ke, ukusetshenziswa kokushisa okuphezulu kanye nokushisa kwegumbi kungavimbela kakhulu ukuthuthukiswa kwe-zirconia. Kufanele kushiwo ukuthi iyona encane kunazo zonke izimakethe ezintathu.
Uma sikhuluma nge-silicon nitride, ibilokhu iyi-ceramic ethandwayo eminyakeni engamashumi amabili edlule, kodwa inqubo yayo yokulungiselela umkhiqizo oqediwe nayo iyinkimbinkimbi kakhulu kune-alumina, engcono kakhulu kune-zirconia, kodwa ayikalungi njenge-alumina.
Isikhathi sokuthunyelwe: Disemba-26-2019