Uphando malunga nokusetyenziswa kwePowder yeZirconia kwi-High-End Precision Polishing
Ngophuhliso olukhawulezayo lwamashishini obuchwepheshe obuphezulu obunje nge-elektroniki kunye netekhnoloji yolwazi, ukwenziwa kwamehlo, ii-semiconductors, kunye neekeramics eziphucukileyo, iimfuno eziphezulu zibekwe kumgangatho wokusetyenzwa komphezulu wemathiriyeli. Ngokukodwa, kwi-ultra-precision machining yezinto eziphambili ezifana ne-sapphire substrates, i-glass optical, kunye ne-hard disk platters, ukusebenza kwezinto zokupholisa kuqinisekisa ngokuthe ngqo ukusebenza kakuhle komatshini kunye nomgangatho wokugqibela womphezulu.I-Zirconia powder (ZrO₂), i-high-performance material inorganic, ngokuthe ngcembe ivela kwintsimi ye-high-end precision polishing ngenxa yokuqina kwayo okugqwesileyo, ukuzinza kwe-thermal, ukuxhathisa ukunxiba, kunye neempawu zokupholisa, ibe ngummeli wesizukulwana esilandelayo sezinto zokupholisa emva kwe-cerium oxide kunye ne-aluminium oxide.
I. IiPropati zeMathiriyeli zeZirconia powder
I-Zirconia iyimpuphu emhlophe ene-melting point ephezulu (malunga ne-2700 ° C) kunye neentlobo zezakhiwo ze-crystal, ezibandakanya i-monoclinic, i-tetragonal, kunye ne-cubic phases. Ipowder ye-zirconia ezinzileyo okanye i-zirconia ingafumaneka ngokudibanisa amanani afanelekileyo e-stabilizers (njenge-yttrium oxide kunye ne-calcium oxide), evumela ukuba igcine ukuzinza kwesigaba esigqwesileyo kunye neempawu zomatshini nakwiqondo lokushisa eliphezulu.
Zirconia powderIinzuzo ezibalaseleyo zibonakaliswa ikakhulu kule miba ilandelayo:
Ubunzima obuphezulu kunye nobuchule obugqwesileyo bokupholisa: Ngobunzima be-Mohs be-8.5 okanye ngaphezulu, ifanelekile ukupholisa kokugqibela kweentlobo zezixhobo ezinobunzima obuphezulu.
Uzinzo olomeleleyo lwekhemikhali: Ihlala izinzile kwindawo ene-acidic okanye i-alkaline kancinane kwaye ayinakuchaphazeleka kwiikhemikhali.
I-dispersibility egqwesileyo: Ukuguqulwa kwe-nano- okanye i-submicron-ubungakananizirconia powdersbonisa ukunqunyanyiswa okugqwesileyo kunye nokuhamba kakuhle, ukwenza lula ukugulisa okufanayo.
I-conductivity ephantsi ye-thermal kunye nomonakalo ophantsi we-friction: Ukushisa okwenziwa ngexesha lokupholisa kuncinci, ukunciphisa ngokufanelekileyo uxinzelelo lwe-thermal kunye nomngcipheko we-microcracks kwindawo ecutshungulwayo.
II. Ukusetyenziswa okuqhelekileyo kwe-Zirconia Powder kwi-Precision Polishing
1. Ukuhonjiswa kweSapphire Substrate
Iikristale zeSapphire, ngenxa yokuqina kwazo okuphezulu kunye neempawu ezibalaseleyo zamehlo, zisetyenziswa kakhulu kwiitshiphusi ze-LED, iilensi zokubukela, kunye nezixhobo ze-optoelectronic. I-Zirconia powder, enobunzima obufanayo kunye nomlinganiselo ophantsi womonakalo, yinto efanelekileyo yokucoca i-chemical mechanical polishing (CMP) yesafire. Xa kuthelekiswa nemvelii-aluminiyam oxide ipolishi yomgubo, i-zirconia iphucula kakhulu i-flatness yendawo kunye nokugqiba kwesibuko ngelixa igcina amazinga okususwa kwezinto, ukunciphisa imikrwelo kunye ne-microcracks.
2. Ukupholisha kweglasi yeOptical
Ekusetyenzweni kwamacandelo okukhanya afana nelensi ezichanekileyo, iiprism, kunye nobuso bokuphela kwefiber optical, izinto zokupholisha kufuneka zihlangabezane nokucoceka okuphezulu kakhulu kunye neemfuno zokulunga. Ukusebenzisa ubunyulu obuphezului-zirconium oxide powderkunye nobungakanani besuntswana elilawulwayo le-0.3-0.8 μm njenge-arhente yokupholisha yokugqibela ifezekisa uburhabaxa obuphantsi kakhulu (Ra ≤ 1 nm), ukuhlangabezana neemfuno ezingqongqo "ezingenasiphako" zezixhobo ezibonakalayo.
3. I-Hard Drive Platter kunye neSilicon Wafer Processing
Ngokunyuka okuqhubekayo koxinano logcino lwedatha, iimfuno ze-hard drive platter umphezulu womphezulu othe tyaba ziya ziba ngqongqo.Zirconia powder, isetyenziswe kwinqanaba elihle lokupolisha kwi-hard drive platter surfaces, ilawula ngokufanelekileyo iziphene zokucubungula, ukuphucula ukubhala kakuhle kwedisk kunye nobomi benkonzo. Ngaphaya koko, kwi-ultra-precision polishing ye-silicon wafers, i-zirconium oxide ibonisa ukuhambelana okuphezulu komphezulu kunye neempawu zelahleko ephantsi, iyenza ibe yenye indlela ekhulayo ye-ceria.
Ⅲ. Isiphumo soBubungakanani beNcam kunye noLawulo lokuSasazwa kwiZiphumo zokuGcwelisa
Ukusebenza kwe-polish ye-zirconium oxide powder inxulumene ngokusondeleyo kungekhona nje ubunzima bayo bomzimba kunye nesakhiwo se-crystal, kodwa iphinde iphenjelelwe kakhulu kubukhulu bayo be-particle yokusabalalisa kunye nokusabalalisa.
Ukulawulwa kobungakanani beNcam: Ubungakanani obukhulu obugqithisileyo bunokubangela imikrwelo yomhlaba, ngelixa incinci kakhulu inokunciphisa amaxabiso okususwa kwezinto. Ngoko ke, i-micropowders okanye i-nanopowders ene-D50 uluhlu lwe-0.2 ukuya kwi-1.0 μm isoloko isetyenziselwa ukuhlangabezana neemfuno ezahlukeneyo zokucwangcisa.
Ukusasazwa kokuSebenza: I-dispersibility efanelekileyo ikhusela i-particle agglomeration, iqinisekisa ukuzinza kwesisombululo sokupholisa, kunye nokuphucula ukusebenza kakuhle. Ezinye iipowder ze-zirconia eziphezulu, emva kokuguqulwa komphezulu, zibonisa iimpawu ezigqwesileyo zokunqunyanyiswa kwizisombululo ezinamanzi okanye ezibuthathaka, ezigcina ukusebenza okuzinzile ngaphezu kweeyure ezininzi.
IV. IiNdlela zoPhuhliso kunye neNkalo yekamva
Ngenkqubela phambili eqhubekayo yetekhnoloji ye-nanofabrication,zirconia powdersziphuculwa zijonge ubunyulu obuphezulu, ukuhanjiswa kobungakanani besuntswana elimxinwa, kunye nokwandiswa kokusasazwa. Le mimandla ilandelayo ifuna ukuqwalaselwa kwixesha elizayo:
1. Ukuveliswa kweMisa kunye nokuPhuculwa kweeNdleko zeNano-ScaleZirconia Powders
Ukujongana neendleko eziphezulu kunye nenkqubo enzima yokulungiselela i-powders ephezulu yokucoca ingundoqo ekukhuthazeni ukusetyenziswa kwabo ngokubanzi.
2. Uphuhliso lweZixhobo zokuNgcwelisa eziDibeneyo
Ukudibanisa i-zirconia kunye nezinto ezifana ne-alumina kunye ne-silica iphucula izinga lokususa kunye nokukwazi ukulawula indawo.
3. Isixokelelwano sokuNgcolisa okuLuhlaza kunye neSingqongileyo
Phuhlisa amajelo eendaba asasazeke angeyotyhefu, anokubola ngebhayoloji kunye nezongezelelo ukomeleza ubuhlobo bokusingqongileyo.
V. Isiphelo
Zirconium oxide powder, kunye neempawu zayo eziphathekayo ezigqwesileyo, idlala indima ebaluleke kakhulu kwi-high-end precision polishing. Ngenkqubela phambili eqhubekayo kubugcisa bokuvelisa kunye nokunyuka kwemfuno yoshishino, ukusetyenziswa kwei-zirconium oxide powderiya kuxhaphaka kakhulu, kwaye kulindeleke ukuba ibe yinkxaso engundoqo kwisizukulwana esilandelayo sezinto zokusebenza eziphezulu zokuthambisa. Kwiinkampani ezifanelekileyo, ukugcina isantya kunye neendlela zokuphucula izinto kunye nokwandisa izicelo eziphezulu kwintsimi yokupholisa kuya kuba yindlela ephambili yokufezekisa ulwahlulo lwemveliso kunye nobunkokeli bezobuchwepheshe.