Ouzhan Kev Lag Luam (Shanghai) Co., Ltd.

Kev kho deg

Ua ntej tshaj plaws, peb yuav tsum paub yog vim li cas cov khoom xav tau kev kho mob saum npoo, dab tsi yog qhov ua haujlwm, thiab qhov teeb meem nws daws.

Ua ntej tshaj, cov txheej txheem kho saum npoo ntawm artificially tsim txheej txheej sab saum npoo ntawm cov txheej txheej txheej uas yog qhov txawv ntawm cov cuab yeej, lub cev thiab tshuaj ntawm lub substrate. Lub hom phiaj ntawm cov txheej txheem saum npoo yog kom ua tau raws li cov khoom tiv thaiv corrosion, hnav tsis kam, kho kom zoo nkauj lossis lwm yam tshwj xeeb ua haujlwm.

Ntau tus neeg muas zaub yuav nug peb vim li cas peb xav tau kev kho deg, qhov haujlwm yog dab tsi, thiab vim li cas rau ntxiv cov txheej txheem no?

Ouzhan cov neeg ua haujlwm technical:Kev kho saum npoo av yog tshem tawm txhua yam ntawm cov teeb meem txawv teb chaws (xws li roj, xeb, plua plav, qub xim zaj duab xis, thiab lwm yam) txuas rau saum npoo ntawm cov khoom, thiab muab cov txheej zoo tsim nyog rau cov txheej uas yuav tsum tau ua kom paub tseeb tias txheej zaj duab xis muaj kev tiv thaiv zoo. Kev tiv thaiv kev ua kom zoo nkauj, ua kom zoo nkauj thiab qee qhov haujlwm tshwj xeeb, saum npoo ntawm qhov khoom yuav tsum yog qhov pretreated ua ntej pleev xim. Kev ua haujlwm los ntawm hom kev kho no suav tau hais tias yog kev kho ua ntej (tha xim sab nrauv) kev kho lossis (saum npoo av) ua ntej.

Kev kho saum npoo txhim kho kom ruaj khov thiab puas qhov ua tau ntawm cov khoom. Ntawm lub hauv paus qub, nws nce kev siv sijhawm thiab txuag tau ntau lub sijhawm, nqi thiab nyiaj txiag.

COV TSWV YIM RAU HAUV ELECTROCHEMICAL

Txoj kev no siv cov tshuaj tiv thaiv electrode los ua cov xim pleev xim rau sab saum toj ntawm lub chaw ua haujlwm. Lub ntsiab kev yog:

(1) Kev Siv Hluav Taws Xob

Hauv cov kua hauv electrolyte, qhov workpiece yog cathode. Cov txheej txheem tsim cov txheej txheej nyob rau saum npoo ntawm qhov kev ua ntawm ib qho tam sim no hu ua electroplating. Cov plating txheej tuaj yeem yog hlau, hlau, semiconductor lossis muaj cov khoom sib txawv, xws li tooj liab plating thiab nickel plating.

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(2) Oxidation

Hauv cov tshuaj tov electrolyte, qhov workpiece yog qhov anode. Cov txheej txheem ntawm kev tsim cov oxide zaj duab xis nyob rau saum npoo ntawm qhov kev txiav txim ntawm sab nraud tam sim no yog hu ua anodization, xws li anodization ntawm txhuas alloy.
Kev kho oxidation ntawm hlau tuaj yeem ua los ntawm kev siv tshuaj lossis hluav taws xob. Cov txheej txheem tshuaj lom neeg yog los tso cov haujlwm rau hauv cov tshuaj oxidizing, thiab tso siab rau cov tshuaj yeeb tshuaj los ua cov yeeb yaj kiab oxide nyob rau sab saum npoo ntawm qhov chaw ua haujlwm, xws li xiav-hlau.

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TIV THAIV CHEMISTRY

Txoj kev no tsis muaj qhov kev ua tam sim no, thiab siv cov kev sib txuam ntawm cov tshuaj lom neeg los ua ib txheej xim rau saum npoo ntawm lub chaw ua haujlwm. Lub ntsiab kev yog:

(1) Kev hloov tshuaj lom neeg hloov tshuaj membrane

Hauv cov tshuaj electrolyte, cov hlau ua haujlwm tsis muaj qhov kev txiav txim siab sab nraud tam sim no, thiab cov tshuaj yeeb dej hauv cov tshuaj tov sib cuam tshuam nrog cov haujlwm kom tsim cov xim lo rau nws sab, uas hu ua tshuaj lom neeg hloov kho yeeb yaj kiab. Xws li bluing, phosphating, passivation, thiab chromium ntsev kho ntawm cov hlau.

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(2) Electroless plating plating

Hauv cov tshuaj electrolyte, nplaim qhov workpiece yog tshuaj kho kom tsis muaj kev cuam tshuam ntawm sab nraud tam sim no. Hauv txoj kev daws teeb meem, vim tias txo qis ntawm cov tshuaj, cov txheej txheem ntawm kev tso tawm qee yam tshuaj nyob rau saum npoo ntawm qhov chaw ua haujlwm los ua cov txheej txheej yog hu ua electroless plating, xws li electroless nickel, Electroless tooj liab plating, thiab lwm yam.

TXHAJ RHAUB UA HAUJLWM

Txoj kev no yog kom yaj lossis thermally diffuse cov khoom hauv qhov kub thiab txias los ua txheej txheej rau saum npoo ntawm haujlwm. Lub ntsiab kev yog:

(1) Kub kub plating plating

Cov txheej txheem ntawm kev muab tso rau qhov chaw tawm mus ua hlau cov hlau los ua txheej rau nws qhov chaw yog hu ua kub dip plating, xws li kub dip galvanizing thiab kub-dip txhuas.

(2) Kev Tsuag Tshaj Lij
Cov txheej txheem ntawm atomizing hlau molten thiab txau nws rau saum npoo ntawm haujlwm los tsim txheej yog hu ua thermal txau, xws li thermal txau zinc thiab thermal txau txhuas.

(3) Kub stamping
Cov txheej txheem ntawm kev ua kom sov thiab nias cov ntawv hlau los npog lub ntsej muag ntawm qhov chaw ua haujlwm los tsim txheej txheej yog hu ua kub stamping, xws li kub stamping txhuas ntawv ci.

(4) Kho cua sov tshuaj
Cov txheej txheem nyob rau hauv qhov chaw workpiece uas tau chwv cov tshuaj lom neeg thiab ua kom sov, thiab qee lub cev nkag mus rau qhov chaw ua haujlwm ntawm qhov chaw sov siab yog hu ua kev kho cua sov, xws li nitriding thiab carburizing.

(5) Surfacing
Los ntawm vuam, cov txheej txheem ntawm kev tso cov hlau txheej rau saum npoo ntawm qhov chaw ua haujlwm los tsim cov vuam txheej yog hu ua surfacing, xws li surfacing vuam nrog cov vuam hlau hnav-tiv taus.

NRHIAV LUB TSHUAB NQUS TSEV

Txoj kev no yog txheej txheem nyob rau hauv uas cov ntaub ntawv yog vaporized lossis ionized thiab tso rau saum npoo ntawm lub workpiece hauv siab nqus los ua txheej txheej. Lub ntsiab yog.

(1) Lub cev vapor deposition (PVD)

Nyob rau hauv qhov chaw nqus, cov txheej txheem ntawm vaporizing hlau rau hauv atoms lossis cov lwg me me, lossis ionizing lawv mus rau hauv ions, yog tso ncaj qha rau ntawm qhov chaw ntawm lub workpiece los ua ib txheej, uas yog hu ua lub cev vapor deposition. Cov ntawv tso rau cov hmoov me me los ntawm cov khoom siv tsis muaj tshuaj, xws li evaporation Sputtering plating, ion plating, thiab lwm yam.

(2) Ion cog khoom

Cov txheej txheem ntawm cog qhov sib txawv ions mus rau qhov saum npoo ntawm qhov haujlwm tawg hauv qhov siab los hloov kho lub nplaim hu ua ion implantation, xws li boron txhaj.

(3) Cov Vapor Tshuaj Tso Tawm (CVD)

Raws li lub siab qis (qee zaus lub zog qis), cov txheej txheem uas cov roj ntsha ua rau txheej txheej txheej txheej ntawm lub chaw ua haujlwm vim cov tshuaj lom neeg hu ua vapor deposition, xws li vapor deposition ntawm silicon oxide thiab silicon nitride.

LWM YAM KEV LOMZEM

Mas cov neeg kho tshuab, tshuaj, electrochemical, thiab lub cev txoj kev. Lub ntsiab kev yog:

Xim

Txoj kev tua cov tshuaj tsuag los yog txhuam cov txheej txheem yog txheej txheem ntawm kev thov pleev xim (organic lossis inorganic) rau saum npoo ntawm qhov chaw ua haujlwm los ua cov xim txheej, hu ua pleev xim, xws li tha xim, pleev xim, thiab lwm yam.

Tej yam plating

Cov txheej txheem ntawm kev tsim cov txheej txheej nyob rau saum npoo ntawm haujlwm nrog kev cuam tshuam cov tshuab yog hu ua cuam tshuam plating, xws li kev cuam tshuam galvanizing.

Laser kho deg

Cov txheej txheem ntawm kev ua haujlwm sab saum npoo ntawm cov haujlwm nrog laser hloov pauv nws cov qauv yog hu ua laser deg kho, xws li laser quenching thiab laser remelting.

Superdural thev naus laus zis

Lub thev naus laus zis ntawm kev npaj super-hard zaj duab xis nyob saum npoo ntawm haujlwm los ntawm kev siv lub cev lossis tshuaj lom neeg yog hu ua super-hard film thev naus laus zis. Xws li zaj duab xis pob zeb diamond, cubic boron nitride zaj duab xis thiab lwm yam.

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ELECTROPHORESIS THIAB ELECTROSTATIC TXIM

1. Kev Xaiv Hluav Taws Xob

Raws li cov electrode, cov khoom tso rau hauv cov conductive dej-soluble lossis dej-emulsified xim, thiab ua rau hauv Circuit Court nrog lwm electrode hauv cov xim. Raws li qhov kev txiav txim ntawm cov hluav taws xob teb, cov kua roj sib xyaw tau cuam tshuam rau hauv cov khoom them ions, cov cations txav mus rau cathode, thiab cov anions txav mus rau qhov anode. Cov roj pleev uas tau them ua ke no, ua ke nrog cov adsorbed xim xim me me, yog electrophoresed rau saum npoo ntawm lub workpiece los ua ib txheej. Tus txheej txheem no yog hu ua electrophoresis.

2. Electrostatic txau

Raws li qhov kev txiav txim ntawm DC lub tshuab hluav taws xob muaj hluav taws xob ntau, cov xim atomized tsis zoo tau hais qhia kom ya mus rau qhov ua haujlwm zoo kom tau txais cov yeeb yaj kiab xim, uas yog hu ua txau zoo li qub.