Inqanaba eliqhelekileyo le-ziircona

Jun 07, 2023

Inqanaba eliqhelekileyo le-ziircona

 

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I-Yttrium oxide uzinze ngokuyintloko i-zirconia (y-psz)

 

I-Yttrium oxide uzinze ngokuyinxalenye ye-zirconia (Y-Psz) igcinwe nge-Yttrium oxide (Y2O3) njengendawo yokusebenza yengqolowa kwaye iphucula ubume bengqolowa kwaye iphucula amandla e-motheclinic ukuya kwinqanaba le-tetragonal ukuya kwisigaba seTetragonal. Yinto ebonakalayo yokudla okuziinkozo ngamandla aphezulu egodini yazo zonke izinto ze-ceramic. Inesigqibo sempembelelo esiphezulu kwaye sinxibe ukuxhathisa, ngelixa sibonelela ngembonakalo esezantsi eshushu, ihlala isenza izinto ezifanelekileyo kwezinye izinyithi. Ukwenza ukongezwa kwe-yttrium oxide (YTTRIA) kwenza ukuba i-guqule iguqule kwaye iqaqadeke, inoxanduva lokuqina okuphezulu. Xa izinto ezinoxinzelelo zixinezelekile, ulwakhiwo lwekristali lutshintsha ukusuka kwinqanaba le-tetragonal ukuya kwinqanaba le-monoclinic luba ngamandla amakhulu, okukhokelela kwi-5% ye-5% yonyuselo lwevolumu yendawo. Ukukhulisa ivolumu ibeka i-curckes, ngaloo ndlela kuncitshiswe amandla ayo okukhulisa kunye nokusasaza ukuqhekeka ngakumbi. Le mveliso ichaza ubuntununtunu obusezantsi bezinto ezinokugxininisa nokudinwa kunye namandla aphezulu aphezulu.

 

I-Magnesium inesisiso esizinzileyo se-zirconia (Msz)

 

I-Magnesium Oxide (i-MGO) Ukudlala i-ziirconia nayo ibangela uxinzelelo lweMatrix yangaphakathi, nangona kunjalo, olu lwakhiwo lubhide. I-M-psz inobushushu obungcono kunye nokunganyangeki komswakama, kuba ayichaphazeleki ngokufuduka kwesigaba. I-M-psz igcina amandla ayo nokuba yindawo yokudlala yobushushu obuphezulu apho iipropathi ze-YSZ ziqala ukonakala.

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