Yog tias oxide zaj duab xis yuav tsum tsis muaj xim thiab pob tshab tom qab oxidation, 5 thiab 6 series alloys txhuas zoo dua, thiab lawv kuj tuaj yeem ua xim tom qab oxidation. Yog tias nws tsuas yog yuav tsum tau ua kom anodized los ua cov yeeb yaj kiab anodized tuab, thiab yog tias tsis muaj qhov yuav tsum tau ua kom muaj xim, feem ntau cov txhuas alloys tuaj yeem oxidized. Ua ntej xaiv cov txheej txheem oxidation, koj yuav tsum nkag siab cov khoom ntawm aluminium lossis aluminium alloy, vim hais tias cov khoom zoo thiab qhov sib txawv hauv cov muaj pes tsawg leeg yuav cuam tshuam ncaj qha rau qhov zoo ntawm cov khoom lag luam txhuas tom qab anodization. Piv txwv, yog tias muaj cov npuas, kos, pleev xim rau, ntxhib thiab lwm yam tsis xws ntawm lub txhuas saum npoo, txhua qhov tsis xws luag tseem yuav qhia tawm tom qab anodizing. Cov ntsiab lus tsis sib xyaw ua ke kuj muaj kev cuam tshuam ncaj qha rau cov duab pom tom qab anodization. Kev cuam tshuam ntawm tooj liab, silicon, hlau thiab lwm yam tsis muaj zog nyob rau hauv aluminium alloy rau saum npoo ntawm oxide zaj duab xis yog raws li hauv qab no: Tooj liab yuav ua rau oxide zaj duab xis liab, ua rau cov khoom siv zoo ntawm electrolyte, thiab nce oxidation qhov tsis xws; silicon yuav ua rau oxide zaj duab xis grey, tshwj xeeb tshaj yog thaum cov ntsiab lus Thaum nws tshaj li 4.5%, cov nyhuv yog pom tseeb dua; hlau yuav muaj nyob rau hauv daim ntawv ntawm cov pob dub tom qab anodization vim nws tus kheej cov yam ntxwv.
Aluminium profile nto oxidation kho rhiav
Tsis tas li ntawd, muaj qhov cuam tshuam ntawm lwm qhov tsis txaus ntseeg hauv cov alloy rau qhov pom ntawm oxide zaj duab xis: 1-2% manganese aluminium alloy, brownish xiav tom qab oxidation, nrog qhov nce ntawm manganese ntsiab lus hauv txhuas, qhov xim xim tom qab hloov oxidation. los ntawm brownish xiav Yuav tsaus xim av hloov dua siab tshiab. Aluminium alloy nrog 0.6-1.5% silicon cov ntsiab lus yuav grey tom qab oxidation, thiab dawb-grey thaum cov ntsiab lus silicon yog 3-6%. Cov khoom uas muaj cov zinc muaj xim ntau ntau, cov khoom siv chromium muaj lub suab tsis sib xws ntawm golden rau grey, thiab cov khoom lag luam nickel muaj lub teeb daj. Feem ntau hais lus, tsuas yog txhuas nrog magnesium thiab titanium cov ntsiab lus ntau dua 5% muaj kub, thiab tom qab ua kom oxidation, tsis muaj xim, pob tshab, ci thiab zoo nkauj tuaj yeem tau txais.
Nws yuav tsum raug sau tseg tias qee qhov txhuas profiles muaj cov xim sib txawv hauv qhov tsos. Cov xim no tsis yog oxidized, tab sis yog tsim los ntawm kev zas xim lossis xim electrolytic tom qab txhuas yog anodized. Yeej muaj cov xim rau kev zas xim, tab sis electrolytic dyeing yog qhov tsis tshua muaj. Nws tuaj yeem ua kom tiav xim dub, tooj, champagne, kub, thiab ua raws li steel hlau.
Qhov feem ntau cuam tshuam kev tsis haum nyob rau hauv txhuas yog hlau. Hauv kev tsim cov txheej txheem aluminium profiles nyob rau hauv kev tsim kho kev lag luam, thaum cov ntsiab lus hlau ntau dua 0.25%, lub suab tsis muaj xim ib txwm tsis tau. Nrog rau qhov nce ntawm hlau cov ntsiab lus, lub glossiness poob qis thiab lub suab xim ua kev tsis ncaj ncees. Ntsuab, lub teeb grey thiab lub teeb grey yog dab tuag. Thaum cov ntsiab lus silicon hauv kub yog qhov tsawg, cov nyhuv ntawm cov hlau yog pom tseeb dua. Thaum lub silicon siab ntau, qhov ua rau cuam tshuam ntawm cov hlau tuaj yeem raug txo kom tsawg. Lub sijhawm no, hlau thiab silicon tsim ib qho AlFeSi intermetallic compound, uas tseem noj ib feem ntawm nws. Silicon dhau heev. Qhov laj thawj tseem ceeb vim li cas cov hlau cuam tshuam rau xim yog tias hlau thiab txhuas ua cov qauv ntse lossis pas nrig, zoo li los ntawm ob peb lub microns rau kaum tawm microns, thiab nws cov hluav taws xob muaj peev xwm txawv ntawm txhuas, yog li nws cuam tshuam rau kev tsis sib thooj thiab txuas ntxiv ntawm oxidation coloring, thiab tseem ua rau oxide zaj duab xis ci Thiab lub pob tshab yog txo qis, cuam tshuam rau cov nyhuv xim.
Tus nqi me me ntawm cov tooj liab tau txais txiaj ntsig rau cov tshuab hloov kho thiab pom qhov chaw ci ntsa iab ntawm aluminium profiles tsis txo cov tshuaj tiv thaiv corrosion. Txawm li cas los xij, thaum cov ntsiab lus tooj liab yog siab, oxide zaj duab xis ua dub, uas tuaj yeem pom los ntawm lub ntsej muag liab qab.
Ib qho me me ntawm manganese yuav tshem tawm cov kev puas tsuaj rau ntawm AlFeSi tus qauv rau qee yam thiab txo cov khoom lag luam ntawm cov kab extrusion. Txawm li cas los xij, thaum cov ntsiab lus manganese muaj siab, oxide zaj duab xis ua daj, thiab maj mam tsim xim daj rau daj nrog qhov nce ntawm manganese cov ntsiab lus, thiab cov nyhuv xim tsis zoo dua.
Thaum cov ntsiab lus zinc siab, nws nce qhov teeb meem nyuaj ntawm aluminium extrusion, qhov profile nplej yog ntxhib, cov pwm poob kuj tseem loj, cov oxide zaj duab xis yog opalescent, thiab ua rau kom cov tsub zuj zus ntawm zinc ions nyob rau hauv kev daws teeb meem alkaline etching, thiab zinc yog inverted ntawm lub profile, ua rau ci iab Pear daim tawv nqaij zoo li me ntsis.
Thaum cov ntsiab lus titanium ntau dua li 0.1%, cov xim xim thiab chromatic aberration ntawm aluminium profile muaj qhov cuam tshuam ntau dua, uas yog tshwm sim los ntawm qhov tsis sib xws ntawm titanium.
Yog li, los ntawm qhov kev xav pom kom ntseeg tau tias cov txheej txheem ntawm cov npoo ntawm aluminium profiles, cov ntsiab lus hlau yuav tsum raug tswj qis dua 0.25%, thiab cov ntsiab lus ntawm lwm qhov tsis huv yuav tsum tsawg dua 0.1%.