Anode Degreasing thiab Anode Surface Treatment

Ib qho kev ua haujlwm ntawm lubtitanium anodesurfactant yog emulsification, thiab cov surfactant yog ib hom

tshuaj nplua nuj nyob rau hauv ob hom kev tawm tsam pawg, pawg hydrophilic, thiab pawg hydrophobic.

Hydrophilic pawg yog txuam nrog cov dej molecules thiab alienated los ntawm cov khoom roj; tus

xwm ntawm pawg hydrophobic yog qhov opposite. Feem ntau, nto active tshuaj yog

kev tsis sib haum xeeb hauv cov tshuaj aqueous, thiab qee qhov txuas ua ke los tsim cov kua nplaum; ntawm qhov chaw

ntawm kev daws, pawg hydrophobic taw qhia rau huab cua. Nyob rau hauv lub thawv phab ntsa, lub hydrophobic

pab pawg taw tes rau ntawm phab ntsa ntim khoom thiab tau npaj kom zoo.

Muaj ntau ntau lwm txoj kev degreasing ntawm qhov chawtitanium anodes. Piv txwv li, thaum

lub workpiece loj dhau, kev kho mob hauv zos (xws li txheej, thiab lwm yam) lossis tsis muaj degreasing

khoom siv, ib qho yooj yim txhuam kuj siv tau los txo. Thaum txhuam thiab degreasing, siv a

txhuam los yog rag dipped nyob rau hauv txiv qaub slurry, magnesia, xis mas, xab npum kua, pobzeb tshauv, nroj tsuag tshauv, sodium

carbonate, hlau ntxuav tus neeg saib xyuas, surfactant, decontamination hmoov, thiab lwm yam. los txhuam rov qab,

Cov Roj tshem tawm. Qee lub sij hawm tom qab txhuam ib zaug, thov cov kua degreasing thiab tom qab ntawd so dua,

kom cov roj tuaj yeem raug tshem tawm tag nrho ob peb zaug.

Anodic degreasing yog qhov txawv ntawm cathodic degreasing, thiab nws qhov zoo yog raws li hauv qab no:

a. Lub matrix tsis muaj kev pheej hmoo ntawm hydrogen nkag mus vim degreasing;

b. Nws tuaj yeem tshem tawm cov seem seem los ntawm pickling thiab qee cov hlau txheej ntawm qhov chaw,

xws li zinc, tin, lead, chromium, thiab lwm yam, kom lub ntsej muag ntawm lub workpiece yog huv si.

Qhov tsis zoo yog tias qhov degreasing efficiency ntawm lub anode tsis siab npaum li qhov ntawm

cathode, rau peb yog vim li cas:

(a) Vim tias tsis tshua muaj alkalinity vim qhov paug ntawm OH- nyob ze ntawm lub anode, cov tshuaj tiv thaiv saponification

tsis tuaj yeem ua tau.

(b) Nyob rau hauv cov xwm txheej ntawm cov hluav taws xob sib npaug, cov pa oxygen generated ntawm lub anode tsuas yog ib nrab ntawm cov

hydrogen generated ntawm titanium cathode, thiab cov nyhuv tearing ntawm cov roj zaj duab xis thiab kev sib tov

cuam tshuam rau kev daws teeb meem tsis zoo;

thiab muaj peev xwm coj cov roj tee tawm kuj tsis muaj zog.

c. Txhuas, zinc, tin, txhuas, tooj liab, thiab lawv cov alloys yog corroded los ntawm dissolution ntawm lub anode.

Thaum cov alkalinity ntawm cov tshuaj yog tsawg thiab tam sim no ceev yog siab, tshwj xeeb tshaj yog thaum lub

Cov tshuaj yog polluted los ntawm chloride ions, steel qhov chaw kuj yuav raug rau pitting corrosion.

Ua kom siv tag nrho cov txiaj ntsig zoo ntawm cathodic degreasing thiab anode degreasing. Ntawm

tam sim no, ua ke degreasing txoj kev ntawm thawj cathodic degreasing thiab tom qab ntawd anode degreasing

feem ntau yog siv.

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