Hluav taws xob cua sov raj roughening kho cov yas ua ntej electroplating
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Hluav taws xob cua sov raj roughening kho cov yas ua ntej electroplating
Ua ntej cov yas electroplating, txhawm rau txhim kho qhov adhesion ntawm txheej thiab substrate, nws yog ib qho tsim nyog yuav tsum tau roughen cov yas ua ntej electroplating, thiab tom qab ntawd siv cov txheej txheem conductive rau ntawm qhov chaw no, xws li sensitization, dipping, tshuaj plating, thiab lwm yam. txheej txheem yog qhov tseeb oxidation thiab corrosion txheej txheem ntawm chromium anhydride ntawm plastics. Cov chromic acid nyob rau hauv coarsening tov yog correspondingly txo los ntawm hexavalent rau trivalent, thiab cov ntsiab lus maj mam txo. Cov ntsiab lus chromium trivalent maj mam nce, thiab kev kho mob ntawm cov tshuaj coarsening yuav ua rau tsis zoo thiab tsis zoo. Thaum cov trivalent chromium ntau dua los yog sib npaug rau 35g / L, nws yog qhov nyuaj los xyuas kom meej qhov coarsening zoo. Lub sijhawm no, tsuas yog ib feem ntawm cov tshuaj coarsening yuav tsum tau muab tshem tawm, thiab cov tshuaj tshiab tuaj yeem muab ntxiv lossis hloov tag nrho.
Nyob rau hauv tooj liab polishing tov, qhov nruam dissolution ntawm nws yog xim hlau tooj liab yuav ua rau cov tooj liab ions nyob rau hauv cov kev daws kom tsis tu ncua nce, cuam tshuam rau polishing zoo thiab ceev. Qhov no yuav tsum tau hloov ib nrab lossis ua tiav cov kev daws teeb meem.
Cov txheej txheem ntawm kev hloov cov txheej txheem kev laus tsis yog tsuas yog pov tseg ntau cov tshuaj, tab sis kuj yuav tsum tau them nyiaj ntau los kho cov dej khib nyiab no, thiab tseem yuav ua rau lub nra hnyav ntawm kev kho dej khib nyiab.
Xaiv cov txheej txheem purification sib txawv raws li cov yam ntxwv ntawm cov kev daws teeb meem sib txawv ntawm chromium yog kev lag luam thiab siv tau zoo. Hom diaphragm electrolytic cell no zoo dua rau chrome plating tov. Copper polishing tov los yog chromium tov nrog ib tug loj npaum li cas ntawm tooj liab plated qhov chaw yuav kho nrog De copperTM chromium tov raws li ib tug tooj liab tshem tawm. Lub tank roughening tuaj yeem tsim tau zoo dua nrog lub tshuab hluav taws xob uas raug rho tawm haujlwm.
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