Titanium Anode rau Trivalent Chromium Electroplating

Titanium AnodeRau Trivalent Chromium Electroplating

Trivalent chromium plating / chrome plating

Electroplating chromium yog ib qho ntawm feem ntau siv plating hom. Nrog rau kev tsim kho tsheb, maus taus, thiab cov khoom siv kho mob huv si, cov hniav chrome plating tau dhau los ua ntau thiab ntau dua.

Tsawg toxicity thiab tsis muaj kuab paug yog qhov zoo tshaj plaws ntawm cr3 + electroplating, nws toxicity tsuas yog kwv yees li 1% ntawm hexavalent chromium compounds; tsis muaj chromium pos huab khiav, thiab electroplating chromium cov neeg ua haujlwm yuav tsis muaj cov kab mob ua haujlwm; cr3 + kev kho dej khib nyiab yog yooj yim, tsuav yog ph ntawm cov dej khib nyiab los ntawm 8 los yog li ntawd, cr3 + tuaj yeem ua hydroxide thiab precipitate thiab cais; Feem ntau, tus nqi ntawm cr3 + kev kho dej khib nyiab tsuas yog 20% ​​ntawm cov tshuaj cr6 + plating.

Lub ntsiab zoo ntawm trivalent electroplating chromium txheej txheem:

1) Piv nrog cov txheej txheem hexavalent chromium, cov tshuaj plating muaj cov pa phem tsawg;

2) Raws li tib lub plating tam sim no ceev, thaum siv cov khoom siv chromium trivalent, electroplating tuaj yeem ua tau ob zaug ntawm cov hlau electrodeposition ceev ntawm hexavalent chromium. Lub peev xwm dispersing thiab npog muaj peev xwm ntawm cov tshuaj plating yog zoo dua li ntawm cov tshuaj chromic acid plating, thiab qhov ci ntsa iab tam sim no yog qhov dav, uas yog tsim rau cov khoom siv electroplating chrome nrog cov duab nyuaj.

3) Kev ua haujlwm tam sim no yog 25% siab dua hexavalent chromium plating;

4) tuaj yeem ncaj qha chrome plated ntawm zinc, zinc tuag-casting lossis titanium, thiab tseem tuaj yeem ua chrome plated;

5) tuaj yeem ua haujlwm ntawm chav tsev kub, txuag hluav taws xob.

6) Cov txheej yog ib qho kev sib txuas tsis tu ncua micro-crack Circuit Court, thiab nws cov corrosion kuj yog siab dua li ntawm chromic chromium plating.

7) Qhov ceev tam sim no: 0 5-100A / dm2;

8) Nws tsis cuam tshuam los ntawm kev cuam tshuam tam sim no thaum plating.

Sulfate trivalent chromium plating txheej txheem: Ion membrane yog siv los cais catholyte thiab anolyte, uas yog hu ua ob lub tank electroplating.

Titanium anode yog qhov tseem ceeb ntawm cov khoom siv electroplating chrome txheej txheem, thiab nws cov txheej txheem zoo cuam tshuam rau cov nyhuv electroplating. Lub titanium anode tsim los ntawm peb lub tuam txhab ua tau raws li qhov yuav tsum tau ua ntawm electroplated chromium, thiab cov khoom tau siv los ntawm cov tuam txhab tsheb loj hauv ntiaj teb tau ntau xyoo. Cov ntaub ntawv tseem ceeb yog anode hlau thiab anode pob tawb. Lub ntsiab txheej yog hom tshiab ntawm iridium tantalum txheej.

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