Kune nzira dzinoverengeka huru dzekuvandudza kusimba kwesimbi dze alumina:
1. Kusimbisa Zirconia: Iyi ndiyo nzira inonyanya kushandiswa yekusimbisa. Kana huwandu hwakakodzera hwezirconia (ZrO2) hukawedzerwa kune alumina, kusimba kwayo kunogona kuvandudzwa zvakanyanya. Mhedzisiro yekusimbisa inonyanya kubva muzvinhu zvakaita sekunatswa kwe alumina grain matrix, kusimba kwe phase transformation ye zirconia, kusimba kwe microcrack, uye kusimba kwe crack steering ne bifurcation.
2. Mashave nekusimbisa fiber: Mashave i ceramic single crystals ine high aspect ratio, uye urefu hwe fiber hwakareba kakawanda kupfuura mashave e ceramic. Ose anogona kuwedzerwa ku alumina ceramics sekusimbisa kusimbisa. Kuwedzerwa kweshave kana ma fibers kunogona kuwedzera pamusoro pekutyoka, kureva kuti, kuwedzera nzira yekupararira kwe crack. Kana crack yasvika ku fibers (mashave), kudhonzwa, kubviswa, uye kutyoka kwema fibers (mashave) kunoitika, nokudaro kuchidya simba rekutyoka uye kuwedzera kusimba kwe ceramic.
3. Kubata zvidimbu: Kuwedzera zvidimbu zvine modulus yakakwira (senge SiC, TiC, TiN, nezvimwewo) kune zvinhu zve alumina kunogona kukonzera kuti zvidimbu zvitsauke uye zviparadzane kana zvinhu zvikatyoka, zvichidya simba rekutyoka, nokudaro zvichivandudza kusimba. Kunyangwe simba rekusimba kwezvidimbu risina kunaka seremashave nemafaibha, kusanganiswa kwakafanana kwezvinhu zvakagadziriswa uye kusimba kwesimbi kuri nyore uye kuri nyore kupfuura fiber nemashave composites.
4. Kuzvisimbisa kweAlumina: Zviumbwa zveCeramics zvakagadzirwa neupfu hwealumina hunoratidza kunaka kwepurasitiki pakupisa kwakaderera. Izvi zvinogona kuvandudza chimiro uye hunhu hwezviumbwa zveCeramics, nokudaro zvichiwedzera kusimba kwazvo.
5. Tanga chikamu chechipiri: Tanga chikamu chechipiri muchikamu che alumina ceramics kuitira kuti chizadze miganhu ye alumina, izvo zvinobatsira kudzivirira kupararira kwematombo uye nokudaro zvichivandudza kusimba kwematombo e ceramics. Semuenzaniso, alumina yakakangwa ne zirconia inoshandisa nzira iyi.
6. Kuwedzera makristaro embeu dzealumina: Kuwedzerwa kwemakristaro embeu dzealumina kunogona kukurudzira kukura kweanisotropic kwezviyo zvekristaro uye kugadzira zviyo zvekristaro zvinoputika kana kuti zvecolumnar, zvakafanana nendebvu, izvo zvinogona kukonzera kutsemuka kwematombo, kudhonzwa kwezviyo, uye kubatana kwezviyo zveceramics.
Nzira idzi dzinogona kushandiswa dzoga kana pamwe chete kuti dziwedzere kusimba kwesimbi dzealumina. Sarudzo chaiyo inoenderana nekushanda kunodiwa, mutengo uye mamiriro ekushandisa.ZTA yakaomesesa alumina ceramicskubva kumugadziri weChemshun Ceramics anogona kusangana nezvinodiwa zvako zvekusimba zvakanyanya
Nguva yekutumira: Chivabvu-10-2024