Ua ntej, lub ntsiab cai ntawm cov titanium hlau anodizing xim kev txhim kho - tsuas yog vim tias cov tuab ntawm oxide zaj duab xis yog txawv
Raws li kev txiav txim ntawm ib qho hluav taws xob sab nraud, Titanium thiab titanium alloys yuav anodize, sib sau ua cov nanometers rau ntau pua nanometers nyob saum npoo. Nws yog feem ntau ntseeg hais tias lub ntsiab tivthaiv ntawm cov oxide zaj duab xis yog amorphous tior2. Vim hais tias nws yog ib zaj yeeb yaj kiab pob tshab, nws muaj qhov muaj zog thiab ua kom pom tseeb ntawm lub teeb. Muaj ob qho lus piav qhia txog kev txhim kho cov xim xim ntawm titanium alloy zaj duab xis, ib qho yog lub teeb nqus cov xim kev loj hlob thiab cov tshuab hluav taws xob nqus lub zog thiab kev hloov pauv; Lwm tus yog qhov nyias nyias kev cuam tshuam yeeb yaj kiab ua yeeb yam ntawm lub teeb. Qhov kev cuam tshuam txhim kho lub teeb xim thiab tsis muaj zog lub teeb xim, uas tau pom dav. Cov xim kev tsim kho cov xim ntawm nyias zaj duab xis kev cuam tshuam ntawm lub teeb muaj nyob hauv daim duab hauv qab no.
Cov txiaj ntsig qhia tau tias cov yeeb yaj kiab sib txawv thiab cov kev sib txawv ntawm cov yeeb yaj kiab thiab cov yeeb yaj kiab uas tsis muaj zog yog qhov sib txawv thiab cov titanium alloys tshwm sim ntau yam kev cuam tshuam. Nrog rau qhov nce ntawm oxide zaj duab xis tuab, cov xim saum npoo ntawm titanium yog: xim xiav - daj - daj - daj - daj - liab - ntsuab.
Thib ob, vim li cas thiaj yuav tsumTitaniumthiab alloys raug anodized - tsis yog rau kev zoo nkauj xwb
Titanium thiab titanium alloys tau dav siv nyob rau hauv ib lub tuam txhab, petrochemical, muaj zog ntxiv, muaj zog thiab qis thermal conductivity. Txawm li cas los xij, titanium thiab titanium alloys tseem muaj cov kev ua tsis zoo xws li cov khoom txom nyem tsis zoo, thiab cov xim tsis zoo, uas txwv lawv cov ntawv thov ntxiv rau qee yam.
Anodizing yog ib txoj kev siv ib txwm siv ntawm kev hloov kho saum npoo ntawm titanium thiab titanium alloy. Titanium workpiece yog siv los ua anode, txhuas los yog cov duab ua yeeb yam nrog cov tshuaj pleev xim zoo nkauj, thiab cov txheej txheem ntawm cov khoom lag luam ntawm cov qauv siv hluav taws xob. Txheej no ntawm oxide zaj duab xis tiv thaiv lub workpiece tib lub sijhawm, tab sis kuj muaj ib qho kev zoo nkauj. Ib qho ntxiv, siv porosity ntawm zaj duab xis txheej kuj tseem tuaj yeem ua los ntawm kev sib nqus, lub cev muaj zog, electrofluorescence thiab lwm yam khoom ntawm lub zog ua haujlwm. Piv nrog electroplating, electroless plating, pvd txheej, txau, cov nqi sib xyaw thiab cov yeeb yaj kiab uas tsis muaj txiaj ntsig thiab siv tau hauv cov ntawv thov kev lag luam.
Thib peb,Titaniumthiab nws cov alloy Anodic oxidation xim txheej txheem
Degreas: Ua ntej, nws yog ib qhov tsim nyog los siv cov neeg sawv cev Alkali Degreat Degreas Degreas Degreas Degreas tshem tawm cov roj Rolling roj nyob saum npoo ntawm titanium thiab nws cov alloy. Cov kauj ruam no yog qhov tseem ceeb vim tias cov roj stains tuaj yeem cuam tshuam qhov ua tau zoo ntawm cov pickling thiab anodizing cov kauj ruam thiab tej zaum yuav ua rau tsis muaj xim.
Pib pickling: tom qab tshem tawm cov roj, pib pickling. Kev siv ntawm 5% Hydrofluoric acid aqueous daws rau pickling it titanium thiab nws cov alloy pab ua tus cim pear tawv nqaij tus qauv ntawm nws sab.
Cov Pickling Thib Ob: Txhawm rau tshem tawm cov hmoov av uas tsim nyob rau saum npoo thaum pib cov txheej txheem thawj zaug, yuav tsum muaj cov pickling theem nrab. Siv hydrofluoric acid thiab hydrogen peroxide aqueous daws rauTitaniumions ua cov neeg ruaj khov, thiaj li ua tiav lub hom phiaj ntawm kev ntxuav cov nplaim dej.
Anodizing: cov phaj ua ntej titanium thiab nws cov phaj alloy li lub anode, txhuas phaj li catode, muab tso rau hauv phosphoric acid electrolyte kev kho mob. Nrog kev nce ntawm voltage, cov yeeb yaj kiab oxide nyob rau saum npoo ntawm titanium maj ncu tuab, qhia cov xim hloov xim.
Kaw: txhawm rau txhim kho cov corrosion tsis kam, kev ua qias tuaj yeem ntawm cov yeeb yaj kiab anodic oxide, nws yog qhov tsim nyog yuav tsum tau raug kaw. Cov kev siv hluav taws xob feem ntau suav nrog kev sib khi kub, chav sib khi thiab daws cov ntsev uas muaj cov inorganic ntsev thiab cov organic.
Kom qhuav: tom qab kaw tiav tiav, so noo noo ntawm saum npoo ntawm workpiece nrog ib daim ntaub paj rwb huv si thiab cia nws qhuav lawm.
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