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Kev Paub Txog thiab Cov Lus Siv Hauv Electroplating

1. Muaj peev xwm tawg tau
Lub peev xwm ntawm ib qho kev daws teeb meem kom ua tiav qhov kev faib tawm ntawm cov txheej ntawm lub electrode (feem ntau yog cathode) nyob rau hauv cov xwm txheej tshwj xeeb piv rau qhov kev faib tawm tam sim no pib. Kuj tseem hu ua plating peev xwm.

2. Muaj peev xwm plating tob:
Lub peev xwm ntawm cov tshuaj plating los tso cov hlau txheej rau ntawm cov grooves lossis cov qhov tob hauv qab cov xwm txheej tshwj xeeb.

3 Kev siv hluav taws xob:
Nws yog ib qho txheej txheem ntawm kev siv qee yam waveform ntawm qhov hluav taws xob qis ncaj qha tam sim no kom dhau los ntawm ib qho workpiece ua ib qho cathode hauv ib qho electrolyte uas muaj qee yam hlau ion Thiab cov txheej txheem ntawm kev tau txais cov electrons los ntawm cov hlau ions thiab txuas ntxiv tso lawv rau hauv hlau ntawm cathode.

4 Qhov ceev tam sim no:
Qhov zog tam sim no hla dhau ib lub electrode feem ntau yog qhia hauv A/dm2.

5 Kev ua haujlwm tam sim no:
Qhov piv ntawm qhov hnyav tiag tiag ntawm cov khoom tsim los ntawm kev tshuaj tiv thaiv ntawm lub electrode rau nws qhov sib npaug electrochemical thaum dhau los ntawm ib chav ntawm hluav taws xob feem ntau yog qhia ua feem pua.

6 Cov Cathodes:
Lub electrode uas teb kom tau txais cov electrons, piv txwv li lub electrode uas dhau los ntawm kev txo qis.

7 Cov Anodes:
Ib lub electrode uas tuaj yeem txais cov electrons los ntawm cov reactants, piv txwv li ib lub electrode uas dhau los ntawm cov tshuaj tiv thaiv oxidation.
10. Txheej Cathodic:
Ib txheej hlau uas muaj tus nqi algebraic siab dua ntawm lub peev xwm electrode dua li cov hlau hauv paus.

11. Txheej anodized:
Ib txheej hlau uas muaj tus nqi algebraic ntawm electrode potential me dua li ntawm cov hlau puag.

12 Tus nqi ntawm cov av noo:
Qhov tuab ntawm cov hlau uas tau tso rau saum npoo ntawm ib feem hauv ib lub sijhawm. Feem ntau yog qhia ua micrometers ib teev.

13 Kev Ua Kom Muaj Zog:
Cov txheej txheem ntawm kev ua kom lub xeev blunt ntawm ib qho hlau nto ploj mus.

14 Kev Ua Kom Tsis Muaj Zog;
Nyob rau hauv qee qhov xwm txheej ib puag ncig, qhov kev sib xyaw ua ke ntawm cov hlau nto raug cuam tshuam loj heev thiab tshwm sim hauv ntau qhov sib txawv ntawm cov electrode potentials.
Qhov cuam tshuam ntawm kev txo qhov nrawm ntawm cov hlau yaj mus rau qib qis heev.

15 Hydrogen embrittlement:
Kev tawg yooj yim los ntawm kev nqus cov hydrogen atoms los ntawm cov hlau lossis cov hlau sib xyaw thaum lub sijhawm ua haujlwm xws li etching, degreasing, lossis electroplating.

16 PH tus nqi:
Cov logarithm tsis zoo uas siv ntau ntawm cov hydrogen ion activity.

17 Cov khoom siv Matrix;
Ib yam khoom uas tuaj yeem tso hlau lossis tsim ib txheej zaj duab xis rau nws.

18 Cov anodes pabcuam:

Ntxiv rau qhov anode uas feem ntau xav tau hauv electroplating, ib qho anode pabcuam yog siv los txhim kho qhov kev faib tawm tam sim no ntawm qhov chaw ntawm qhov plated.

19 Cov cathode pabcuam:
Yuav kom tshem tawm cov burrs lossis kub hnyiab uas yuav tshwm sim rau qee qhov ntawm qhov plated vim muaj ntau dhau ntawm cov xov hluav taws xob, ib qho duab ntawm cathode raug ntxiv ze ntawm qhov ntawd kom noj qee qhov tam sim no. Qhov cathode ntxiv no hu ua cathode pab.

20 Kev sib kis ntawm cathodic:
Qhov xwm txheej uas lub peev xwm cathode hloov pauv ntawm qhov sib npaug ntawm lub peev xwm thiab txav mus rau hauv qhov tsis zoo thaum tam sim no ncaj qha hla dhau lub electrode.

21 Kev faib tawm tam sim no thawj zaug:
Qhov kev faib tawm ntawm cov hluav taws xob ntawm qhov chaw electrode thaum tsis muaj electrode polarization.

22 Kev ua kom tsis muaj zog ntawm tshuaj lom neeg;
Cov txheej txheem ntawm kev kho cov khoom ua haujlwm hauv cov tshuaj uas muaj cov neeg sawv cev oxidizing los tsim cov txheej txheem passivation nyias heev ntawm qhov chaw, uas ua haujlwm ua zaj duab xis tiv thaiv.

23 Kev ua kom puas tsuaj los ntawm tshuaj lom neeg:
Cov txheej txheem ntawm kev tsim cov zaj duab xis oxide rau ntawm qhov chaw ntawm cov hlau los ntawm kev kho tshuaj.

24 Kev siv hluav taws xob oxidation (anodizing):
Cov txheej txheem ntawm kev tsim cov zaj duab xis oxide tiv thaiv, kho kom zoo nkauj, lossis lwm yam haujlwm ntawm qhov chaw ntawm cov hlau los ntawm electrolysis hauv ib qho electrolyte, nrog rau cov hlau ua tus anode.

25 Kev cuam tshuam electroplating:
Lub zog tam sim ntawd siab dhau los ntawm cov txheej txheem tam sim no.

26 Zaj yeeb yaj kiab hloov pauv;

Lub ntsej muag npog ntsej muag txheej ntawm cov tshuaj uas muaj cov hlau tsim los ntawm kev kho tshuaj lom neeg lossis electrochemical ntawm cov hlau.

27 Hlau hloov xiav:
Cov txheej txheem ntawm kev ua kom cov khoom hlau sov hauv huab cua lossis muab lawv tso rau hauv cov tshuaj oxidizing kom tsim cov zaj duab xis oxide nyias nyias rau ntawm qhov chaw, feem ntau yog xim xiav (dub).

28 Phosphating:
Cov txheej txheem ntawm kev tsim cov zaj duab xis tiv thaiv phosphate uas tsis yaj tau rau ntawm qhov chaw ntawm cov khoom siv hlau.

29 Kev sib xyaw ua ke ntawm cov tshuaj electrochemical:
Nyob rau hauv qhov kev ua ntawm tam sim no, qhov kev hloov pauv electrochemical ntawm lub electrode qis dua qhov ceev ntawm cov electrons los ntawm lub zog sab nraud, ua rau lub peev xwm hloov pauv tsis zoo thiab polarization tshwm sim.

30 Kev sib xyaw ua ke ntawm cov khoom sib xyaw:
Kev sib cais ua rau muaj qhov sib txawv ntawm qhov concentration ntawm cov kua txheej ze ntawm qhov chaw electrode thiab qhov tob ntawm cov tshuaj.

31 Kev siv tshuaj ntxuav roj:
Cov txheej txheem ntawm kev tshem tawm cov roj av ntawm qhov chaw ntawm ib qho workpiece los ntawm saponification thiab emulsification hauv alkaline kua.

32 Kev tshem tawm roj electrolytic:
Cov txheej txheem ntawm kev tshem tawm cov roj av ntawm qhov chaw ntawm ib qho workpiece hauv cov kua alkaline, siv cov workpiece ua lub anode lossis cathode, nyob rau hauv qhov kev ua ntawm hluav taws xob tam sim no.

33 Tso tawm lub teeb:

Cov txheej txheem ntawm kev muab hlau tso rau hauv cov tshuaj rau lub sijhawm luv luv kom ua rau qhov chaw ci ntsa iab.

34 Kev txhuam hniav txhua yam:
Cov txheej txheem ua khoom siv kho tshuab ntawm kev txhim kho qhov ci ntsa iab ntawm cov khoom hlau los ntawm kev siv lub log polishing tig ceev ceev uas coated nrog polishing paste.

35 Cov kuab tshuaj organic degreasing:
Cov txheej txheem ntawm kev siv cov organic solvents los tshem tawm cov roj stains ntawm qhov chaw ntawm cov khoom.

36 Kev Tshem Tawm Hydrogen:
Ua kom cov khoom hlau sov ntawm qee qhov kub lossis siv lwm txoj hauv kev los tshem tawm cov txheej txheem ntawm kev nqus hydrogen hauv cov hlau thaum lub sijhawm electroplating ntau lawm.

37 Kev Tshem Tawm:
Cov txheej txheem ntawm kev tshem tawm cov txheej ntawm qhov chaw ntawm cov khoom.

38 Kev txiav tsis muaj zog:
Ua ntej plating, cov txheej txheem ntawm kev tshem tawm cov zaj duab xis oxide nyias heev ntawm qhov chaw ntawm cov hlau hauv ib qho kev daws teeb meem thiab ua kom qhov chaw ua haujlwm.

39 Kev puas tsuaj loj heev:
Muab cov khoom hlau tso rau hauv cov tshuaj etching uas muaj zog thiab qee yam kub kom tshem tawm cov xeb oxide ntawm cov khoom hlau.
Cov txheej txheem ntawm kev yaig.

40 Lub hnab Anode:
Ib lub hnab ua los ntawm paj rwb los yog ntaub yas uas muab tso rau ntawm qhov anode kom tiv thaiv cov sludge anode kom tsis txhob nkag mus rau hauv cov tshuaj.

41 Tus neeg sawv cev ci ntsa iab:

Cov khoom siv ntxiv siv los ua kom cov xim ci ntsa iab hauv cov electrolytes.

42 Cov tshuaj ntxuav:
Ib yam khoom uas tuaj yeem txo qhov kev sib txhuam ntawm cov interfacial txawm tias ntxiv rau hauv qhov ntau tsawg heev.

43 Cov khoom ua kom mos mos;
Ib yam khoom uas tuaj yeem txo qhov kev sib txhuam ntawm cov kua dej uas tsis sib xyaw thiab tsim cov emulsion.

44 Tus neeg sawv cev chelating:
Ib yam khoom uas tuaj yeem tsim ib qho complex nrog cov hlau ions lossis cov tshuaj uas muaj cov hlau ions.

45 Txheej rwb thaiv tsev:
Ib txheej khoom siv rau ib feem ntawm lub electrode lossis fixture kom ua rau qhov chaw ntawm qhov ntawd tsis conductive.

46 Tus neeg sawv cev ntub dej:
Ib yam khoom uas tuaj yeem txo qhov kev sib txhuam ntawm qhov chaw ua haujlwm thiab cov tshuaj, ua rau qhov chaw ntawm qhov chaw ua haujlwm yooj yim ntub.

47 Cov Khoom Ntxiv:
Ib qho me me ntawm cov khoom ntxiv uas muaj nyob rau hauv cov tshuaj uas tuaj yeem txhim kho kev ua haujlwm electrochemical lossis qhov zoo ntawm cov tshuaj.

48 Tsis Muaj Zog:
Ib yam khoom uas tuaj yeem tswj tau tus nqi pH ntawm cov tshuaj hauv ib qho ntau yam.

49 Lub cathode txav mus los:

Ib lub cathode uas siv lub cuab yeej kho tshuab los ua rau muaj kev txav mus los ntawm qhov chaw plated thiab tus ncej.

50 Zaj duab xis dej tsis sib xws:
Feem ntau siv rau qhov ntub dej tsis sib xws los ntawm kev ua qias tuaj ntawm qhov chaw, uas ua rau cov dej zaj duab xis ntawm qhov chaw tsis sib xws.

51 Qhov porosity:
Tus naj npawb ntawm cov qhov pinholes ib cheeb tsam.

52 Lub Qhov:
Cov qhov me me ntawm qhov chaw ntawm cov txheej mus rau qhov txheej hauv qab lossis cov hlau substrate yog tshwm sim los ntawm kev cuam tshuam hauv cov txheej txheem electrodeposition ntawm qee qhov chaw ntawm qhov chaw cathode, uas tiv thaiv kev tso cov txheej ntawm qhov chaw ntawd, thaum cov txheej ib puag ncig txuas ntxiv mus tuab.

53 Kev hloov xim:
Qhov kev hloov pauv ntawm cov xim ntawm cov hlau lossis txheej txheej uas tshwm sim los ntawm kev xeb (xws li tsaus ntuj, tsis muaj xim, thiab lwm yam).

54 Lub zog khi:
Lub zog ntawm kev sib txuas ntawm cov txheej thiab cov khoom siv hauv qab. Nws tuaj yeem ntsuas los ntawm lub zog uas xav tau los cais cov txheej ntawm cov substrate.

55 Kev tev tawv:
Qhov tshwm sim ntawm cov txheej txheej tawm ntawm cov khoom siv substrate hauv daim ntawv zoo li daim ntawv.

56 Lub txheej zoo li daim txhuam cev:

Cov av xoob thiab qhov dej uas tsim thaum lub sijhawm electroplating uas tsis sib txuas ruaj khov rau cov khoom siv substrate.

57 Txheej hlawv:
Cov av qeeg tsaus nti, ntxhib, xoob lossis tsis zoo uas tsim los ntawm cov dej ntws siab, feem ntau muaj cov av qeeg
Oxide los yog lwm yam impurities.

58 Cov ntsiab lus:
Cov qhov me me lossis cov qhov uas tsim rau ntawm cov hlau thaum lub sijhawm electroplating thiab corrosion.

59 Cov Khoom Siv Rau Kev Sib Txhuam Txheej:
Lub peev xwm ntawm qhov chaw txheej kom ntub los ntawm cov hlau nplaum molten.

60 Cov chrome plating nyuaj:
Nws yog hais txog kev txheej cov txheej chromium tuab rau ntawm ntau yam khoom siv substrate. Qhov tseeb, nws qhov nyuaj tsis nyuaj dua li cov txheej chromium zoo nkauj, thiab yog tias cov txheej tsis ci, nws mos dua li cov txheej chromium zoo nkauj. Nws hu ua chromium plating nyuaj vim tias nws cov txheej tuab tuaj yeem ua rau nws muaj zog thiab hnav tsis kam.

T: Kev Paub Txog thiab Cov Lus Siv Hauv Electroplating

D: Lub peev xwm ntawm ib qho kev daws teeb meem kom ua tiav qhov kev faib tawm ntawm cov txheej txheem ntawm lub electrode (feem ntau yog cathode) nyob rau hauv cov xwm txheej tshwj xeeb piv rau qhov kev faib tawm tam sim no pib. Kuj hu ua plating peev xwm

K: Kev siv hluav taws xob

图片1 拷贝

Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-20-2024