Hordhaca Habka Electroplating

Aqoonta habka korantada ee kala duwan.
Sawirka Hordhaca Habka Electroplating

Guudmarka Electroplating

Electroplating waa habka lagu dhejiyo lakab khafiif ah oo biro kale ah ama alloys dusha biraha qaarkood ama walxo kale iyadoo la adeegsanayo mabda'a electrolysis. Habka korantada ayaa door ka ciyaara ka hortagga oksaydhka birta (sida miridhku), hagaajinta caabbinta xirashada, dhaqdhaqaaqa korantada, milicsiga iftiinka, iska caabin daxalka (copper sulfate, iwm.), iyo bilicda qaybaha. Lakabyada sare ee qadaadiic badan ayaa sidoo kale lagu dhejiyay.

Lakabyada korantada guud ahaan waa dhuuban yihiin, oo u dhexeeya dhowr mikron ilaa tobanaan microns. Iyada oo loo marayo koronto-samaynta, ilaalinta qurxinta iyo lakabyada dusha shaqada ee kala duwan ayaa laga heli karaa alaabta farsamada, iyo qaybo xidhan oo si khaldan loo farsameeyay iyagana waa la hagaajin karaa.

Habka Korantada

Asal ahaan sida soo socota:

(1) Ku xidh birta daahan anode-ka, ama ku dar milixda milmay ee birta dahaadhka ah ee qubeyska;

(2) Shayga lagu dhejiyo wuxuu ku xiran yahay cathode;

(3) Cathode iyo anode waxay ku xiran yihiin xal elektaroonig ah oo ka kooban ions togan ee birta daahan;

(4) Kadib marka korontada DC la isticmaalo, Birta anode-ku waxay sii dayn doontaa electrons, iyo kuwa togan (biraha) ions ka soo saara aions biraha galay xal korantada waa la dhimay (electrons waa la helaa) at cathode galay atamka oo ku ururay dusha sare ee cathode ah (hoos ka daawo sawirka). ).

Baahiyaha Korantada ee Kala duwan iyo Shaqooyinka

(1) Dajinta naxaasta: loo isticmaalo sidii curiye si loo hagaajiyo adhesion iyo caabbinta daxalka ee lakabka korantada. Copper si fudud ayaa oksaydhaysan loo sameeyaa, iyo ka dib oksidation, verdigris ma sii wadi karaan koronto.

(2) Dajinta nikkel: loo isticmaalo asal ahaan ama muuqaal ahaan si loo hagaajiyo caabbinta daxalka iyo xidhashada caabbinta. Iska caabbinta xidhashada nikkel abuurka ee hababka casriga ah ayaa ka badan tan dhejinta chrome. Ogsoonow in alaabooyin badan oo elektaroonik ah aysan hadda u isticmaalin nikkel sida saldhigga, Inta badan sababtoo ah nikkel waa magnetic, taas oo saamayn doonta isdhexgalka dadban ee waxqabadka korantada.

(3) Dajinta qalinka ah: Marka lagu daro qurxinta, waxay wanaajin kartaa iska caabbinta xidhiidhka ee walxaha korantada. Silver ayaa leh hanti ka wanaagsan, waa ay fududahay in oksidize, waxayna qabataa koronto ka dib oksidation.

(4) Palladium plating: Nickel wuxuu keeni karaa dermatitis. Midowga Yurub ayaa muddo dheer diiday soo dejinta dahabka ka kooban nikkel. Palladium waa birta beddelka nikel ee ugu fiican. Palladium waa dhif, Bir qurux badan oo qalin-cad ah, nooc ka mid ah biraha qaaliga ah oo boqol jeer ka qaalisan nikkel. Sababtoo ah palladium waa qaali, Kaliya palladium electroplating khafiif ah ayaa guud ahaan laga isticmaalaa Shiinaha, oo dhumucdiisu tahay 0.1 ~ 0.2μm, Kaas oo loo isticmaalo dahaarka qurxinta ka-hortagga daxalka iyo lakabka midabka-midabka-lacageedka ee daasadda cupronickel. Haddii lakabka palladium uu aad u qaro weyn yahay (in ka badan 1 μm), dildilaaca ayaa u nugul inuu dhaco.

(5) Dahab dahab ah: Qaybta dahabka dhabta ah, marka lagu daro qurxinta, sidoo kale waxay wanaajin kartaa dhaqdhaqaaqa korantada. Inkasta oo dahabku yahay kan ugu xasilloon kiimikaad ahaan, sidoo kale waa kan ugu qaalisan.

(6) Dahab dahab ah oo Rose ah: dahab cas, kaas oo noqday mid aad caan u ah qurxinta dumarka sannadihii u dambeeyay. Dahabka Rose ayaa dhab ahaantii ku daraya naxaasta dahabka, oo dahabka ka dhigaya mid yar oo casaan ah. Sida ka muuqata sawirka hoose, isbarbardhigga midabka 4 waxaa lagu muujiyay noocyo ka mid ah dahaadhka dahaadhka zinc.

(7) Dahab ku dayasho / ku dayashada Rose dahab: Sababtoo ah qiimaha dahabka lagu dhejiyo ayaa aad u sarreeya, dahab ku dayasho ayaa sidoo kale suuqa ka soo muuqday, si alaabooyinka leh qiimo jaban ay ku gaari karaan midabka dahabka. Dahabka tusaalaha ah ayaa dhab ahaantii ah naxaas, dahab maaha. Naxaastu way fududahay in oksaydh laga dhigo, markaa lakabka difaaca waa in lagu daboolaa lakabka dahabiga ah ee ku dayashada ah, iyo varnish (Lacquer) guud ahaan waa la isticmaalaa. Dahab dahab ah oo ku dayasho ah waa dahaadh naxaas ah oo leh varnish. Varnish waa nooc ka mid ah rinjiga xabagta. Ka dib markii workpiece la rinji, Dareenku uma fiicna sida dahabka dhabta ah, laakiin qiimaha iyo qiimaha wax badan ayaa la dhimi karaa.

La wadaag:

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