Lub hauv paus ntsiab lus ntawm electroplating
Electroplating yog ib qho cuab yeej siv electrolysis los ua cov khoom nto. Thaum lub sij hawm electroplating, ib feem nyob rau hauv cov tshuaj electroplating yog tsis zoo them, thiab cov hlau ions tau tso rau ntawm qhov chaw ntawm qhov chaw nyob rau hauv qhov kev txiav txim ntawm DC fais fab mov los tsim ib tug uniform thiab tuab hlau txheej.
1. Cov xwm txheej tsim nyog rau electroplating: sab nraud DC fais fab mov, tshuaj electroplating, electroplating workpiece, thiab da dej anodizing.
2. Kev siv electrolysis: hloov cov tsos thiab lub cev thiab tshuaj ua haujlwm ntawm qhov chaw kom ua tiav ntau yam kev ua haujlwm xws li kho kom zoo nkauj, tiv thaiv corrosion, thiab hnav tsis kam.
3. Crystallization ntawm cov txheej txheem electrolysis: cov hlau ions los yog complexions nyob rau hauv cov txheej txheem electrolysis khaws cov hlau txheej thaum lub sij hawm rov qab ntawm cov cathode, uas yog hu ua electrolytic siv lead ua.
Electrolytic siv lead ua yog ib yam ntawm cov txheej txheem electrochemical, thiab hlau ions tuaj yeem rov qab los ntawm kev txiav txim siab ntawm cathode point. Tsuas yog thaum lub peev xwm cathode ua txhaum qhov sib npaug ntawm qhov sib npaug thiab qee qhov muaj peev xwm tshwm sim, cov hlau muaj peev xwm tuaj yeem sau rau ntawm cathode.
4. Hlau electroplating yog txheej txheem ntxhov, nws feem ntau muaj ob peb qhov kev ua tiav lossis tag nrho cov lus teb cuam tshuam:
A. Cov hlau ions hauv kev daws teeb meem ncav cuag thaj tsam ntawm qhov chaw cathode los ntawm kev hloov hluav taws xob, convection, dispersion, thiab lwm yam.
B. Ua ntej rov qab, tshuaj hloov pauv tshwm sim nyob ze lossis sab nraud ntawm lub cathode.
C. Hlau ions tau electrons los ntawm cathode nto thiab rov tsim dua rau hauv cov hlau atoms.
D. Cov hlau atoms tawg raws qhov chaw mus rau qhov chaw loj hlob kom nkag mus rau qhov kev loj hlob zoo lossis ntsib nrog lwm cov khoom los tsim cov nuclei thiab loj hlob mus rau hauv cov muaju.