Inketho efanelekile yemidiya yokugaya ephezulu - ubuhlalu be-zirconia kanye nezicelo zabo
Emkhakheni wokugaya okumanzi okunemba okuphezulu nokusabalalisa, izidingo zokusebenza zemidiya yokugaya ziyanda. Ikakhulukazi ezimbonini ezifana namandla amasha, ama-elekthronikhi, izitsha zobumba ezinembayo kanye nezingubo zokugqoka eziphezulu, imidiya yendabuko yokugaya ngeke isakwazi ukuhlangabezana nezidingo ezibanzi zokugaya okucolisekileyo, ukulawula ukuhlanzeka kanye nokwenza kahle kokusetshenziswa kwamandla. Ngalesi sikhathi, ubuhlalu be-zirconia, njengohlobo olusha lwemidiya yokugaya i-ceramic ephezulu yokusebenza, kancane kancane buba ukugxila emakethe.
Buyini ubuhlalu be-zirconia?
Ubuhlalu be-Zirconia yizindilinga ezincane ezifakwe ezintweni ezizinze kakhulu ze-zirconia ezinamandla aphezulu, ukuqina okuphezulu, ukuminyana okuphezulu kanye nokumelana nokugqokwa okuhle kakhulu. Impahla yayo eluhlaza eyinhloko, i-zirconia, inokuqina okuhle kanye nokungangenisi kwamakhemikhali, okwenza ubuhlalu be-zirconia bugcine ukuzinza okuhle kakhulu nempilo yesevisi kumthamo omkhulu wamandla, i-shear ephezulu kanye nezinhlelo ze-viscosity eziphezulu.
Izinhlobo ezijwayelekile zobuhlalu be-zirconia zifaka:
Ubuhlalu be-zirconia obuzinzile be-Y-TZP: bufakwe nge-yttrium oxide, obunobukhulu obukhulu nobulukhuni, bufanele ukugaya kwezinga le-nano;
Ubuhlalu be-zirconia obuhlanganisiwe be-ZTA: benziwe ngenhlanganisela ye-alumina ne-zirconia, bungabizi kakhulu;
I-PSZ izinzile ngokwengxenye ubuhlalu be-zirconia: ukuqina okuhle kakhulu, kufanelekile ukugaya okunamandla okunamandla noma izinqubo zokugaya eziyinhloko.
Izinzuzo zokusebenza zobuhlalu be-zirconia
Isizathu sokuthi kungani ubuhlalu be-zirconia bungagqama phakathi kwemidiya eminingi yokugaya ikakhulukazi ngenxa yezici zabo ezibalulekile ezilandelayo:
Ukuminyana okuphezulu (5.8~6.2 g/cm³): kuletha amandla e-kinetic okugaya aphezulu futhi kuthuthukise ukusebenza kahle kokugaya;
Ukuqina okuphezulu (ukuqina kwe-Mohs ≥8): akulula ukugqoka, ngeke kubangele ukungcoliswa kokungcola ezintweni zokugaya;
Ukuqina okuphezulu: akulula ukuphuka ngisho nangaphansi komthelela ophezulu, ukuqinisekisa ukuzinza kokugaya;
Izinga lokuguga eliphansi: ukulahlekelwa okuncane kakhulu kobuhlalu ngesikhathi seyunithi ngayinye, okunweba impilo yesevisi;
Indawo ebushelelezi kanye ne-sphericity ephezulu: ukusebenza okushelelayo, ukunciphisa ukuguga kwemishini kanye nokusetshenziswa kwamandla.
Uhlelo olubanzi lwezinhlelo zokusebenza
Ubuhlalu be-Zirconium oxide bungasetshenziswa kakhulu kumishini yokugaya emanzi ehlukahlukene (njengezigayo zesihlabathi ezivundlile, izigayo ezinyakaziswayo, izigayo zikabhasikidi, njll.), kanye nezicelo zabo eziqondile zifaka kodwa azikhawulelwe kulokhu:
Izinto ezintsha zamandla: ukugaya i-lithium iron phosphate, izinto ze-ternary, ama-electrode e-silicon-carbon negative, njll.;
Izitsha zobumba ezisebenza kahle kakhulu: ezisetshenziselwa ukucolisiswa kwempuphu ye-aluminium oxide, i-silicon nitride, i-silicon carbide, njll.;
Izinto zamakhemikhali e-elekthronikhi: njenge-ITO conductive glass slurry, i-MLCC powder ceramic, njll.;
Oyinki bokunamathela abasezingeni eliphezulu: ukuhlakazwa okulinganayo kwamayinki e-UV, ama-nano coatings, noyinki kagesi;
Umuthi nokudla: okusetshenziselwa ukugaya okungangcoliswa kwe-micronization kuma-biopharmaceuticals nokudla okusebenzayo.
Isifinyezo
Njengendlela yokugaya ethuthukisiwe ehlanganisa amandla aphezulu, ukuhlanzeka okuphezulu nokuzinza okuphezulu, ubuhlalu be-zirconia buba yinto ebalulekile ezimbonini ezihlukahlukene ukuze kuthuthukiswe ukunemba kwe-powder, ukuzinzisa izinqubo zokukhiqiza, nokwandisa izakhiwo zezindleko. Ngokuthuthuka okuqhubekayo kokukhiqizwa okunembayo nokukhiqizwa okuluhlaza, ubuhlalu be-zirconia buzodlala indima ebaluleke kakhulu ekusetshenzisweni kokugaya okumanzi esikhathini esizayo.