1. Dispersion muaj peev xwm
Lub peev xwm ntawm ib qho kev daws teeb meem kom ua tiav qhov kev faib tawm ntau dua ntawm txheej txheej ntawm cov electrode (feem ntau yog cathode) nyob rau hauv cov xwm txheej tshwj xeeb piv rau qhov pib tam sim no. Kuj tseem hu ua plating muaj peev xwm.
2. Deep plating muaj peev xwm:
Lub peev xwm ntawm cov txheej txheem plating kom tso cov hlau txheej rau ntawm qhov grooves lossis qhov tob hauv cov xwm txheej tshwj xeeb.
3 Electroplating:
Nws yog ib qho txheej txheem ntawm kev siv qee qhov waveform ntawm cov hluav taws xob qis hluav taws xob kom dhau los ntawm cov khoom ua haujlwm raws li cathode hauv cov electrolyte uas muaj qee yam hlau ion Thiab cov txheej txheem tau txais cov electrons los ntawm cov hlau ions thiab tsis tu ncua tso rau hauv cov hlau ntawm cathode.
4 Tam sim no ceev:
Qhov kev siv tam sim no dhau los ntawm chav tsev electrode feem ntau yog qhia hauv A / dm2.
5 Tam sim no efficiency:
Qhov sib piv ntawm qhov hnyav ntawm cov khoom tsim los ntawm cov tshuaj tiv thaiv ntawm ib qho electrode rau nws cov electrochemical sib npaug thaum dhau los ntawm ib chav tsev ntawm hluav taws xob feem ntau yog qhia raws li feem pua.
6 Cathodes:
Cov electrode uas reacts kom tau txais electrons, piv txwv li cov electrode uas undergoes ib tug txo cov tshuaj tiv thaiv.
7 Anodes:
Ib qho hluav taws xob uas tuaj yeem txais cov khoom siv hluav taws xob los ntawm cov khoom siv hluav taws xob, xws li cov khoom siv hluav taws xob uas muaj cov tshuaj tiv thaiv oxidation.
10 Cathodic Txheej:
Ib txheej hlau nrog tus nqi ntau dua algebraic ntawm electrode muaj peev xwm tshaj li cov hlau puag.
11 Anodized txheej:
Ib txheej hlau nrog tus nqi algebraic ntawm electrode muaj peev xwm me dua li ntawm cov hlau puag.
12 Tus nqi sedimentation:
Lub thickness ntawm cov hlau tso rau ntawm qhov chaw ntawm cov khoom nyob rau hauv ib chav tsev ntawm lub sij hawm. Feem ntau qhia hauv micrometers ib teev.
13 Kev ua haujlwm:
Tus txheej txheem ntawm kev ua lub blunt lub xeev ntawm ib tug hlau nto ploj.
14 Passivation;
Nyob rau hauv tej yam kev mob ib puag ncig, qhov ib txwm dissolution cov tshuaj tiv thaiv ntawm hlau nto yog heev hindered thiab tshwm sim nyob rau hauv ib tug kuj ntau yam ntawm electrode muaj peev xwm.
Cov nyhuv ntawm kev txo cov tshuaj tiv thaiv ntawm cov hlau tawg mus rau qib qis heev.
15 Hydrogen embrittlement:
Brittleness tshwm sim los ntawm kev nqus ntawm hydrogen atoms los ntawm hlau los yog alloys thaum lub sij hawm txheej txheem xws li etching, degreasing, los yog electroplating.
16 PH tus nqi:
Feem ntau siv tsis zoo logarithm ntawm hydrogen ion kev ua si.
17 Matrix khoom;
Ib yam khoom uas tuaj yeem tso cov hlau los yog ua ib txheej zaj duab xis rau ntawm nws.
18 Pab anodes:
Ntxiv rau qhov anode ib txwm xav tau hauv electroplating, ib qho kev pabcuam anode yog siv los txhim kho qhov kev faib tawm tam sim no rau ntawm qhov chaw plated.
19 Pab cathode:
Txhawm rau tshem tawm cov burrs lossis kub hnyiab uas yuav tshwm sim hauv qee qhov ntawm cov plated ib feem vim yog cov kab hluav taws xob ntau dhau, cov duab ntawm cathode tau ntxiv nyob ze ntawm qhov ntawd kom haus qee qhov tam sim no. Cov cathode ntxiv no yog hu ua auxiliary cathode.
20 Cathodic polarization:
Qhov tshwm sim qhov twg lub peev xwm cathode deviates los ntawm qhov sib npaug ntawm qhov muaj peev xwm thiab txav mus rau qhov tsis zoo thaum lub sijhawm tam sim no dhau los ntawm electrode.
21 Thawj qhov kev faib tawm tam sim no:
Kev faib tawm ntawm tam sim no ntawm lub electrode nto thaum tsis muaj electrode polarization.
22 Tshuaj passivation;
Cov txheej txheem ntawm kev kho lub workpiece nyob rau hauv ib tug tov uas muaj ib tug oxidizing tus neeg sawv cev los tsim ib tug heev nyias passivation txheej rau ntawm qhov chaw, uas ua hauj lwm raws li ib tug tiv thaiv zaj duab xis.
23 Tshuaj oxidation:
Cov txheej txheem ntawm kev tsim cov oxide zaj duab xis rau saum npoo ntawm cov hlau los ntawm kev kho tshuaj.
24 Electrochemical oxidation (anodizing):
Cov txheej txheem ntawm kev tsim ib qho kev tiv thaiv, kho kom zoo nkauj, lossis lwm yam kev ua haujlwm oxide zaj duab xis nyob rau saum npoo ntawm cov hlau tivthaiv los ntawm electrolysis nyob rau hauv ib qho electrolyte, nrog cov hlau tivthaiv raws li anode.
25 Kev cuam tshuam electroplating:
Qhov tam sim no siab tam sim no dhau los ntawm cov txheej txheem tam sim no.
26 Hloov zaj duab xis;
Lub ntsej muag npog ntsej muag txheej txheej ntawm cov khoom sib xyaw uas muaj cov hlau tsim los ntawm kev kho tshuaj los yog electrochemical ntawm cov hlau.
27 Hlau tig xiav:
Cov txheej txheem ntawm cov khoom siv cua sov cua sov hauv huab cua los yog muab tso rau hauv cov tshuaj oxidizing los tsim cov yeeb yaj kiab oxide nyias ntawm qhov chaw, feem ntau xiav (dub) xim.
28 Phosphating:
Cov txheej txheem ntawm kev tsim ib qho insoluble phosphate tiv thaiv zaj duab xis nyob rau saum npoo ntawm cov khoom steel.
29 Electrochemical polarization:
Nyob rau hauv qhov kev txiav txim ntawm tam sim no, cov tshuaj tiv thaiv electrochemical ntawm cov electrode yog qis dua qhov ceev ntawm electrons muab los ntawm cov khoom siv hluav taws xob sab nraud, ua rau muaj peev xwm hloov pauv tsis zoo thiab polarization tshwm sim.
30 Concentration polarization:
Polarization tshwm sim los ntawm qhov sib txawv ntawm cov concentration ntawm cov kua txheej nyob ze ntawm electrode nto thiab qhov tob tob.
31 Tshuaj degreasing:
Cov txheej txheem ntawm kev tshem cov roj stains los ntawm qhov chaw ntawm lub workpiece los ntawm saponification thiab emulsification hauv alkaline tov.
32 Electrolytic degreasing:
Cov txheej txheem ntawm kev tshem cov roj stains los ntawm qhov chaw ntawm lub workpiece nyob rau hauv ib tug alkaline tov, siv lub workpiece li anode los yog cathode, nyob rau hauv qhov kev txiav txim ntawm ib tug hluav taws xob tam sim no.
33 Emits lub teeb:
Cov txheej txheem ntawm soaking hlau nyob rau hauv ib qho kev daws rau ib lub sij hawm luv luv los tsim ib lub ci ntsa iab.
34 Mechanical polishing:
Cov txheej txheem kev ua haujlwm ntawm kev txhim kho qhov ci ntsa iab ntawm cov hlau qhov chaw los ntawm kev siv lub siab ceev tig polishing log coated nrog polishing muab tshuaj txhuam.
35 Organic kuab tshuaj degreasing:
Cov txheej txheem ntawm kev siv cov kuab tshuaj organic kom tshem tawm cov roj stains ntawm qhov chaw.
36 Hydrogen Tshem Tawm:
Cua sov hlau qhov chaw ntawm qhov kub thiab txias los yog siv lwm txoj hauv kev los tshem tawm cov txheej txheem ntawm hydrogen nqus hauv cov hlau thaum lub sij hawm electroplating ntau lawm.
37 Kev txiav txim:
Cov txheej txheem ntawm kev tshem tawm cov txheej txheem ntawm qhov chaw ntawm cov khoom.
38 Tsis muaj zog etching:
Ua ntej plating, cov txheej txheem ntawm kev tshem tawm cov oxide zaj duab xis nyias nyias ntawm qhov chaw ntawm cov hlau hauv ib qho kev daws teeb meem thiab ua kom lub ntsej muag.
39 Muaj zog erosion:
Raus hlau qhov chaw nyob rau hauv ib tug siab concentration thiab tej yam kub etching tov kom tshem tawm oxide xeb los ntawm cov hlau qhov chaw
Cov txheej txheem ntawm erosion.
40 Anode hnab:
Ib lub hnab ua los ntawm paj rwb lossis hluavtaws ntaub uas muab tso rau ntawm lub anode kom tsis txhob anode sludge nkag mus rau hauv cov tshuaj.
41 Brightening agent:
Cov additives siv kom tau cov txheej ci ci hauv electrolytes.
42 Surfactants:
Ib yam khoom uas tuaj yeem txo qhov nro ntawm lub ntsej muag txawm tias ntxiv rau qhov tsawg heev.
43 Emulsifier;
Ib yam khoom uas tuaj yeem txo qhov kev sib tshuam ntawm cov kua immiscible thiab tsim cov emulsion.
44 Chelating agent:
Ib yam khoom uas tuaj yeem tsim ib qho nyuaj nrog cov hlau ions lossis cov khoom sib txuas uas muaj hlau ions.
45 Insulation txheej:
Ib txheej ntawm cov khoom siv rau ib feem ntawm ib qho electrode los yog fixture ua rau saum npoo ntawm qhov tsis yog-conductive.
46 Wetting agent:
Ib yam khoom uas tuaj yeem txo qhov kev sib tshuam ntawm qhov chaw ua haujlwm thiab kev daws teeb meem, ua rau qhov chaw ntawm lub workpiece yooj yim wetted.
47 Additives:
Ib qho me me ntawm cov tshuaj ntxiv uas muaj nyob rau hauv cov tshuaj uas tuaj yeem txhim kho cov kev ua haujlwm ntawm electrochemical lossis cov tshuaj zoo.
48 Tsis muaj:
Ib yam khoom uas tuaj yeem tswj hwm tus nqi pH tsis tu ncua ntawm cov tshuaj nyob rau hauv ib qho chaw.
49 Tsiv cathode:
Ib lub cathode uas siv cov cuab yeej siv tshuab ua rau lub sijhawm ua haujlwm sib txuas ntawm lub phaj plated thiab ncej bar.
50 Cov yeeb yaj kiab dej tsis tu ncua:
Feem ntau yog siv rau cov dej tsis sib xws uas tshwm sim los ntawm kev sib kis ntawm qhov chaw, uas ua rau cov yeeb yaj kiab dej ntawm qhov chaw tsis tu ncua.
51 Porosity:
Tus naj npawb ntawm pinholes rau ib cheeb tsam.
52 Pinholes:
Cov pores me me los ntawm cov txheej txheej mus rau cov txheej txheej hauv qab lossis cov hlau substrate yog tshwm sim los ntawm kev cuam tshuam hauv cov txheej txheem electrodeposition ntawm qee cov ntsiab lus ntawm lub cathode nto, uas tiv thaiv cov txheej txheej ntawm qhov chaw ntawd, thaum cov txheej txheem ib puag ncig txuas ntxiv thicken .
53 Xim hloov:
Kev hloov xim ntawm cov xim hlau los yog txheej los ntawm corrosion (xws li darkening, discoloration, thiab lwm yam).
54 Lub zog sib khi:
Lub zog ntawm kev sib raug zoo ntawm cov txheej txheem thiab cov khoom siv substrate. Nws tuaj yeem ntsuas tau los ntawm lub zog yuav tsum tau cais cov txheej txheem los ntawm substrate.
55 Kev txiav txim siab:
Qhov tshwm sim ntawm txheej txheej tshem tawm ntawm cov khoom siv substrate hauv daim ntawv zoo li daim ntawv.
56 Daim txhuam cev zoo li txheej:
Loose thiab ntxeem tau deposits tsim thaum lub sij hawm electroplating txheej txheem uas tsis ruaj khov rau cov khoom siv substrate.
57 Burnt txheej:
Tsaus, ntxhib, xoob lossis cov av tsis zoo tsim nyob rau hauv siab tam sim no, feem ntau muaj
Oxide los yog lwm yam impurities.
58 Dots:
Cov qhov me me los yog qhov ua rau ntawm qhov chaw hlau thaum lub sij hawm electroplating thiab corrosion.
59 Txheej Brazing Properties:
Lub peev xwm ntawm txheej txheej yuav wetted los ntawm molten solder.
60 Hard chrome plating:
Nws hais txog txheej tuab chromium txheej ntawm ntau yam khoom siv substrate. Nyob rau hauv qhov tseeb, nws hardness tsis nyuaj tshaj li cov hniav chromium txheej, thiab yog hais tias lub txheej tsis ci, nws yog softer dua li cov hniav chromium txheej. Nws yog hu ua nyuaj chromium plating vim tias nws cov txheej tuab tuaj yeem ua rau nws lub siab tawv thiab hnav tsis kam.
T: Basic Knowledge thiab Terminology hauv Electroplating
D: Lub peev xwm ntawm ib qho kev daws teeb meem kom ua tiav qhov kev faib tawm ntau dua ntawm txheej txheej ntawm cov electrode (feem ntau yog cathode) nyob rau hauv cov xwm txheej tshwj xeeb piv rau qhov pib tam sim no. Kuj tseem hu ua plating muaj peev xwm
K: electroplating
Post lub sij hawm: Dec-20-2024
