Tsvagiridzo pamusoro peKushandiswa kweZirconia Powder muHigh-End Precision Polishing
Nekukurumidza kusimukira kwemaindasitiri epamusoro-soro akadai semagetsi neruzivo rwemichina, kugadzira optical, semiconductors, uye advanced ceramics, zvinodiwa zvepamusoro zviri kuiswa pamhando yekugadziriswa kwezvinhu. Kunyanya, mu-ultra-precision machining yezvikamu zvakakosha zvakadai sesafire substrates, optical glass, uye hard disk platters, kushanda kwezvinhu zvekutsvaira kunogadzirisa zvakananga machining kushanda uye yekupedzisira yepamusoro yepamusoro.Zirconia powder (ZrO₂), yakakwira-inoshanda inorganic zvinhu, zvishoma nezvishoma iri kubuda mumunda wepamusoro-yekupedzisira kunyatsokwenenzverwa nekuda kwekuomarara kwayo kwakanakisa, kugadzikana kwekupisa, kusagadzika kwekusapfeka, uye kukwenenzverwa zvinhu, ichiva mumiriri wechizvarwa chinotevera chekupenya zvinhu mushure mecerium oxide uye aluminium oxide.
I. Material Properties ofZirconia Powder
Zirconia ipfu chena ine nzvimbo yakakwirira yakanyunguduka (inenge 2700 ° C) uye zvakasiyana-siyana zvekristal structures, kusanganisira monoclinic, tetragonal, uye cubic phases. Yakagadzikana kana kuti zvishoma yakagadzikana zirconia powder inogona kuwanikwa nekuwedzera zviyero zvakakodzera zve stabilizers (zvakadai seyttrium oxide uye calcium oxide), zvichiita kuti ichengetedze yakanakisa kugadzikana kwechikamu uye mechanical properties kunyange pakupisa kwakanyanya.
Zirconia powdermabhenefiti akatanhamara anoonekwa zvakanyanya muzvikamu zvinotevera:
Kuomarara kwepamusoro uye kugona kupenya kwakanakisa: Nekuomarara kweMohs kwe8.5 kana pamusoro, inokodzera kukwenenzverwa kwekupedzisira kwezvinhu zvakasiyana-siyana zvekuomarara.
Kugadzikana kwekemikari kwakasimba: Inoramba yakagadzikana munzvimbo dzine acidic kana zvishoma alkaline uye haitani kubatwa nemakemikari.
Yakanakisa dispersibility: Yakagadziridzwa nano- kana submicron-saizizirconia powdersratidza kuturika kwakanakisa uye kuyerera, kufambisa yunifomu polishing.
Kudzikira kwekushisa conductivity uye kuderera kwekukuvara kwekukweshera: Kupisa kunogadzirwa panguva yekupenya kudiki, zvinobudirira kuderedza kupisa kushushikana uye njodzi yemakrocracks panzvimbo yakagadziriswa.
II. Mashandisirwo eZirconia Powder muPrecision Polishing
1. Sapphire Substrate Polishing
Makristasi eSafire, nekuda kwekuoma kwawo kwakanyanya uye akanakisa optical zvimiro, anoshandiswa zvakanyanya mumachipi e LED, mawachi lenzi, uye optoelectronic zvishandiso. Zirconia poda, nekuoma kwayo kwakafanana uye mwero wekukuvara kwakaderera, chinhu chakanakira chemakemikari mechanical polishing (CMP) yesafire. Kuenzaniswa netsikaaluminium oxide polishing poda, zirconia inonatsiridza zvakanyanya kupfava kwepamusoro uye kupera kwegirazi uku uchichengetedza mitengo yekubvisa zvinhu, kuderedza mavanga uye microcracks.
2. Optical Glass Polishing
Mukugadzirisa zvinhu zvemaziso zvakadai se high-precision lenses, prisms, uye optical fibre end faces, zvinhu zvekupolisha zvinofanirwa kusangana nekushambidzika kwakanyanya uye kutsvinda zvinodiwa. Kushandisa high-purityzirconium oxide podaine saizi inodzorwa ye 0.3-0.8 μm seyekupedzisira polishing agent inowana yakanyanya kuderera pamusoro roughness (Ra ≤ 1 nm), ichisangana zvakaomesesa "zvisina mhosva" zvinodiwa zvemagetsi emeso.
3. Hard Drive Platter uye Silicon Wafer Processing
Nekuenderera mberi kwekuwedzera kwedhata rekuchengetedza density, izvo zvinodikanwa zvehard drive platter pamusoro flatness zviri kuwedzera kuomarara.Zirconia powder, inoshandiswa muchikamu chakanaka chekupenya chezvigadziro zveplatter yakaoma, inonyatso kudzora kukanganisa kwekugadzirisa, kuvandudza disk kunyora kushanda uye hupenyu hwebasa. Uyezve, mu-ultra-precision polishing yesilicon wafers, zirconium oxide inoratidza yakanakisa kuenderana kwepamusoro uye yakaderera kurasikirwa zvivakwa, zvichiita kuti ive imwe inokura imwe kune ceria.
Ⅲ. Mhedzisiro yePadiki Saizi uye Dispersion Control paKupukuta Mibairo
Iko kukwenenzverwa kwe zirconium oxide poda kune hukama hwepedyo kwete nekuoma kwayo kwemuviri uye chimiro chekristaro, asiwo zvakanyanya kukanganiswa nekugoverwa kwayo saizi yekuparadzira uye kupararira.
Particle Size Kudzora: Yakawandisa yakakura particle sizes inogona kukonzera zviri nyore kukwenya kwepamusoro, nepo idiki yakawandisa inogona kuderedza kubviswa kwezvinhu. Nokudaro, micropowders kana nanopowders ine D50 yakasiyana-siyana ye 0.2 kusvika 1.0 μm inowanzoshandiswa kusangana nezvinodiwa zvakasiyana-siyana zvekugadzirisa.
Dispersibility Performance: Yakanaka dispersibility inodzivirira particle agglomeration, inovimbisa kugadzikana kwemhinduro yekupukuta, uye inovandudza kugadzirisa kushanda. Mamwe epamusoro-ekupedzisira zirconia poda, mushure mekugadziridzwa kwepasi, anoratidza yakanakisa kumiswa zvivakwa mune aqueous kana asina kusimba acidic mhinduro, kuchengetedza kushanda kwakagadzikana kweanopfuura akawanda maawa.
IV. Development Trends uye Remangwana Outlook
Nekuenderera mberi kwekufambira mberi kwenanofabrication tekinoroji,zirconia powdersvari kukwidziridzwa kuenda kuchena kwepamusoro, kutetepa saizi yekugovera, uye kuwedzera dispersibility. Nzvimbo dzinotevera dzinoda kutariswa mune ramangwana:
1. Mass Production uye Mutengo Wekugadzirisa Nano-ScaleZirconia Powders
Kutarisana nemutengo wepamusoro uye wakaoma maitiro ekugadzirira yakakwirira-kuchena hupfu ndiyo yakakosha mukusimudzira kushanda kwavo kwakafara.
2. Kuvandudzwa kweComposite Polishing Materials
Kubatanidza zirconia nezvinhu zvakaita sealuminium uye silica inovandudza mareti ekubvisa uye kugona kwekutonga kwepamusoro.
3. Green uye Environmental Friendly Polishing Fluid System
Gadzira isiri-chepfu, biodegradable dispersion media uye zvinowedzera kuwedzera hushamwari kwezvakatipoteredza.
V. Mhedziso
Zirconium oxide poda, ine zvinhu zvakanakisa zvezvinhu, iri kuita basa rinowedzera kukosha mukukwenenzvera kwepamusoro-soro. Nekuenderera mberi kufambira mberi mukugadzira tekinoroji uye kuwedzera kudiwa kweindasitiri, kushandiswa kwezirconium oxide podaichawedzera kupararira, uye inotarisirwa kuve tsigiro yepakati yechizvarwa chinotevera chepamusoro-inoita polishing zvinhu. Kune makambani akakodzera, kufambirana nemaitiro ekusimudzira zvinhu uye nekuwedzera-yekupedzisira-yekupedzisira mashandisirwo mumunda wekupukuta ichave nzira yakakosha yekuwana mutsauko wechigadzirwa uye hutungamiriri hwetekinoroji.