Txheej txheem cej luam ntawm Pulse Electroplating txheej txheem rau hluav taws xob cua sov raj

Txheej txheem cej luam ntawm Pulse Electroplating txheej txheem rau hluav taws xob cua sov raj

Pulse electroplating yog ib qho khoom siv electroplating tsim los ntawm kev siv lub tshuab hluav taws xob mem tes thiab lub plating da dej. Hauv cov tshuaj electrolyte uas muaj qee yam hlau ion, plated workpiece yog siv los ua cathode, thiab anode yog hlau lossis insoluble anode ntawm cov hlau ion. Ib qho waveform ntawm pulse tam sim no yog siv los ua cov kub ion pulse electrodeposit ntawm cathode.

Lub waveform tam sim no siv rau pulse electroplating muaj xws li square nthwv dej (los yog lub voj voos), sine ib nrab nthwv dej, sawtooth yoj yoj thiab lub sijhawm sawtooth yoj yoj. Feem ntau, cov duab plaub yog nyiam rau ib qho hlau plating.

Pulse electroplating tuaj yeem kov yeej qhov tsis txaus ntawm cov khoom siv hluav taws xob ncaj qha tam sim no, feem ntau yog vim qhov luv pulse dav (piv txwv li lub sijhawm conduction) thiab siab siab tam sim no. Thaum lub sij hawm T lub sij hawm, hlau ions nyob ze ntawm lub cathode sharply txo, tab sis lub diffusion txheej yog txiav tawm ua ntej nws yuav loj hlob tuab. Thaum lub sij hawm mem tes, cov hlau ions uas tsis muaj nyob rau ntawm lub cathode nto yog tam sim ntawd replenished los ntawm cov tshuaj, thiab cov mem tes diffusion txheej yog yeej tshem tawm, thiab ua kom cov concentration ntawm hlau ions nyob rau hauv lub electrolyte zoo li zoo ib yam. Nyob rau hauv txoj kev no, pulse electroplating tuaj yeem txais qhov siab dua qhov nruab nrab cathode tam sim no ceev, uas tsis tsuas yog tsis txo qis tam sim no, tab sis kuj txhim kho cov txheej txheem zoo.

Yog vim li cas rau peeling ntawm acidic galvanized txheej

① Kev npaj ua haujlwm tsis txaus ntawm cov khoom;

② Cov electrolyte yog paug los ntawm cov organic teeb meem;

③ Hydrogen them rau saum npoo ntawm qhov chaw thaum lub sij hawm xeb thiab electrochemical tshem tawm cov txheej txheem.

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