Kev siv ntau tshaj plaws ntawm lub tshuab nqus tsev electroplating hluav taws xob cua sov raj yog txoj kev tiv thaiv cathodic

Kev siv ntau tshaj plaws ntawm lub tshuab nqus tsev electroplating hluav taws xob cua sov raj yog txoj kev tiv thaiv cathodic

Txoj kev tiv thaiv electrochemical

Siv lub hauv paus ntsiab lus ntawm galvanic cell los tiv thaiv hlau thiab sim tshem tawm cov tshuaj tiv thaiv galvanic cell uas ua rau electrochemical corrosion. Electrochemical tiv thaiv txoj kev muab faib ua ob pawg: kev tiv thaiv anodic thiab cathodic tiv thaiv. Txoj kev siv feem ntau yog kev tiv thaiv cathodic.

Kev tuav cov xov xwm corrosive

Tshem tawm qhov nruab nrab corrosive, tso lub desiccant rau hauv qhov ntsuas qhov tseeb thiab ntxiv ib qho me me ntawm corrosion inhibitor uas tuaj yeem txo qis tus nqi corrosion hauv nruab nrab corrosive.

Cov txheej txheem ntawm lub tshuab nqus tsev electroplating hluav taws xob cua sov yeeb nkab marine khoom

1. Hloov cov qauv sab hauv ntawm cov hlau

Piv txwv li, ntau yam corrosion-resistant alloys yog tsim, xws li ntxiv chromium, npib tsib xee, thiab lwm yam rau cov hlau zoo tib yam los ua stainless hlau.

2. txheej txheej tiv thaiv

Npog cov hlau nto nrog txheej tiv thaiv kom cais cov khoom hlau los ntawm qhov nruab nrab corrosive, yog li tiv thaiv corrosion. Xws li electroplating, kub-dip plating, sputtering thiab lwm txoj kev, steel nto yog plated nrog ib txheej ntawm hlau uas tsis yooj yim corroded, xws li zinc, tin, chromium, nickel, thiab lwm yam. Cov hlau no feem ntau oxidized los ua ib tug ntom oxide zaj duab xis, uas tiv thaiv corrosion ntawm hlau los ntawm dej thiab cua. Ib qho zoo thiab ruaj khov oxide zaj duab xis yog tsim rau ntawm cov hlau nto los ntawm cov txheej txheem tshuaj. Piv txwv li, ib tug zoo dub ferric oxide zaj duab xis yog tsim nyob rau saum npoo ntawm steel qhov chaw xws li mechanical qhov chaw thiab phom.

Cov txheej txheem kev cai rau ib nrab electroless nickel plating ntawm lub tshuab nqus tsev electroplating hluav taws xob cua sov kav

(1) Cov khoom siv hluav taws xob thiab kev sib txuas lus;

(2) Aviation, aerospace, lub zog thiab cov khoom siv tshuaj thiab tshuaj;

(3) Tsheb, kho vajtse, yas pwm;

(4) Dimensional kho ntawm precision machined qhov chaw.

Txawm hais tias muaj ntau txoj hauv kev hauv zos electroplating, nws tseem nyuaj rau kev ua tiav cov txiaj ntsig zoo hauv zos electroplating, vim tias txhua feem muaj cov duab sib txawv, qhov ntau thiab tsawg, cov qauv, thiab nws cov kev xav tau zoo. Yog li ntawd, nws yog ib qho tsim nyog yuav tsum muaj kev paub nplua nuj hauv electroplating thiab cov kev xav tau siab tshaj plaws. Nyob rau tib lub sijhawm, cov txheej txheem kev cai rau ib nrab electroless nickel plating yog nruj dua

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