Hauv kev lag luam electroplating, pulse power electroplating tau nyiam mloog vim nws cov kev ua tau zoo dua. Piv nrog rau DC electroplating ib txwm muaj, nws tuaj yeem tau txais cov txheej txheej nrog cov khoom siv zoo dua, sib xws dua, thiab cov khoom siv huv dua. Tau kawg, pulse electroplating tsis haum rau txhua qhov xwm txheej, nws muaj nws qhov kev siv.
Yog li, cov ntawv thov tseem ceeb ntawm pulse electroplating yog dab tsi? Qhov no pib nrog nws ntau qhov zoo tshaj plaws.
1. Lub crystallization ntawm lub txheej yog ntau dua refined
Thaum lub sijhawm ua haujlwm ntawm lub zog pulse, qhov siab tshaj plaws tam sim no tuaj yeem ncav cuag ntau zaus lossis ntau dua kaum npaug ntawm DC tam sim no. Qhov ceev ntawm tam sim no ua rau muaj qhov siab dua, ua rau muaj ntau dua ntawm cov atoms adsorbed rau ntawm qhov chaw cathode. Qhov nrawm ntawm nucleation sai dua li qhov nrawm ntawm kev loj hlob ntawm crystal, ua rau muaj cov txheej txheem crystallized zoo. Hom txheej txheem no muaj qhov ceev, qhov nyuaj siab, ob peb lub qhov hws, thiab zoo dua corrosion tsis kam, hnav tsis kam, vuam, conductivity, thiab lwm yam khoom. Yog li ntawd, pulse electroplating yog siv dav hauv cov teb electroplating ua haujlwm uas xav tau kev ua haujlwm siab.
2. Muaj peev xwm faib tau zoo dua
Kev siv pulse electroplating muaj peev xwm dispersion zoo, uas yog qhov tseem ceeb rau qee qhov kev siv electroplating zoo nkauj. Piv txwv li, thaum kub lossis nyiaj plating cov khoom loj, pulse electroplating tuaj yeem ua rau xim sib xws dua thiab qhov zoo ruaj khov dua. Lub caij no, vim muaj kev ntxiv ntawm txoj kev tswj hwm sab nraud, qhov kev vam khom ntawm qhov zoo ntawm cov tshuaj da dej raug txo qis, thiab kev tswj hwm kev ua haujlwm yooj yim dua. Yog li ntawd, hauv qee qhov kev thov siab rau kev siv electroplating zoo nkauj, pulse electroplating tseem muaj nws tus nqi. Tau kawg, rau cov khoom siv tiv thaiv zoo nkauj, xws li tsheb kauj vab, cov khoom siv fasteners, thiab lwm yam, nws tsis tas yuav siv nws.
3. Kev huv siab dua ntawm txheej
Thaum lub sijhawm tawm ntawm lub zog, qee cov txheej txheem desorption zoo tshwm sim rau ntawm qhov chaw cathode, xws li cov pa hydrogen uas tau nqus lossis cov khoom tsis huv tawm thiab rov qab mus rau qhov kev daws teeb meem, yog li txo cov hydrogen embrittlement thiab txhim kho qhov huv ntawm cov txheej. Qhov huv siab ntawm cov txheej txhim kho nws txoj haujlwm. Piv txwv li, pulse silver plating tuaj yeem txhim kho weldability, conductivity, xim tsis kam, thiab lwm yam khoom, thiab muaj txiaj ntsig tseem ceeb hauv kev ua tub rog, hluav taws xob, aerospace, thiab lwm yam teb.
4. Tus nqi sedimentation sai dua
Tej tus neeg yuav xav tias pulse electroplating muaj tus nqi tso qis dua li electroplating tam sim no vim muaj lub sijhawm kaw. Qhov tseeb, nws tsis zoo li ntawd. Tus nqi sedimentation nyob ntawm cov khoom ntawm qhov ceev tam sim no thiab kev ua haujlwm tam sim no. Nyob rau hauv qhov nruab nrab zoo sib xws tam sim no, pulse electroplating feem ntau tso sai dua vim yog kev rov qab los ntawm cov ion concentration hauv thaj chaw cathode thaum lub sijhawm kaw, ua rau muaj kev ua haujlwm tam sim no siab dua. Qhov feature no tuaj yeem siv rau hauv kev tsim khoom electroplating tas mus li uas xav tau kev tso sai, xws li cov xov hluav taws xob.
Tau kawg, ntxiv rau cov ntawv thov uas tau hais los saum toj no, nrog rau kev nce qib ntawm thev naus laus zis, cov khoom siv fais fab pulse kuj tseem niaj hnub nthuav dav lawv cov ntawv thov hauv cov teb xws li nanoelectrodeposition, anodizing, thiab electrolytic rov qab. Rau cov electroplating ib txwm muaj, hloov mus rau pulse electroplating tsuas yog los txhim kho kev ua haujlwm ntau lawm yuav tsis pheej yig.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-17-2025
