Hauv kev lag luam electroplating thiab kev kho deg, kev xaiv cov khoom siv hluav taws xob ncaj qha cuam tshuam rau plating zoo, kev siv hluav taws xob, thiab khoom siv lifespan. Raws li cov khoom siv sib xyaw ua ke uas sib xyaw ua ke zoo tshaj plaws ntawm tooj liab nrog kev tiv thaiv corrosion zoo tshaj ntawm titanium, titanium- tooj liab cov pas nrig (feem ntau hu ua titanium-clad tooj liab) tau dhau los ua cov khoom tseem ceeb ntawm cov tshuab electroplating tank hlau anode niaj hnub no. Kab lus no yuav txheeb xyuas cov txiaj ntsig zoo ntawm titanium- tooj liab sib xyaw pas nrig thiab cov teeb meem uas yuav tsum tau kov yeej hauv lawv daim ntawv thov, pib los ntawm cov ntawv thov tiag tiag ntawm cov khoom siv hluav taws xob electroplating.
I. Titanium -Copper Composite Qws yog dab tsi?
Titanium-tooj liab sib xyaw pas nrig yog cov khoom sib xyaw ua los ntawm txheej tooj liab pas nrig (feem ntau T2 tooj liab lossis oxygen-dawb tooj liab) nrog cov txheej txheem ntawm titanium ntshiab (xws li ZTA1 lossis ZTA2) ntawm qee qhov tuab siv tawg + dov, kub extrusion, los yog cov txheej txheem kub kub siab heev. Nws tsis yog ib qho yooj yim mechanical bonding, tab sis nws yog ib tug metallurgical daim ntawv cog lus uas nruj nreem txuas ob hlau nyob rau hauv ib tug structural "daim tawv nqaij-wrapping- nqaij" yam, kom ntseeg tau lub siab conductivity ntawm cov tub ntxhais tooj liab thaum siv cov khoom passivation ntawm txheej titanium txheej los tiv thaiv corrosion.
II. Electroplating Tank Daim Ntawv Thov Cov Txheej Txheem: Qhov hnyav "Electro-Tshav Kub-Tshuaj" Peb- Ib puag ncig
Electroplating tso tsheb hlau luam yog cov feem ntau raug thiab dav siv cov tub ntxhais daim ntawv thov scenario rau titanium - tooj liab composite rods. Hauv qhov chaw no, cov pas nrig conductive ntsib ntau yam teeb meem loj:
**Highly Corrosive Electrolyte Ib puag ncig:** Electroplating kev daws teeb meem feem ntau muaj sulfuric acid, hydrochloric acid, chromic acid, los yog ntau yam corrosive ntsev, uas tsis tshua muaj corrosive rau cov hlau zoo tib yam. Cov tooj liab busbars ncaj qha cuam tshuam rau cov txheej txheem plating yuav sai sai corrode thiab yaj, tsis yog tsuas yog paug cov txheej txheem plating tab sis kuj ua rau txo qis ntawm cov khoom siv hluav taws xob - ntu thiab tsim hluav taws xob hnyav.
**High Current Density Bearing:** Raws li tus anode conductive pas nrig, titanium -tooj liab sib xyaw pas nrig yuav tsum tau dais ntau txhiab lossis kaum txhiab amperes ntawm DC tam sim no. Raws li Ohm txoj cai, qhov kev tiv thaiv ntawm cov khoom siv hluav taws xob ncaj qha cuam tshuam rau lub tank voltage thiab lub zog noj.
** Nrog Oxygen/Chlorine Evolution Reaction:** Thaum lub sij hawm insoluble anolyte electroplating, oxygen (hauv acidic plating daws) los yog chlorine (chloride systems) raug tso tawm los ntawm anode nto. Cov pa roj carbon monoxide no muaj zog heev oxidizing zog, ua rau cov tshuaj lom neeg muaj zog heev rau cov khoom siv electrode.
Thermal Cycling and Thermal Stress: Electroplating processes feem ntau koom nrog da dej kub nce los yog sib quas ntus ntau lawm, yuav tsum tau tus pas nrig conductive tiv thaiv rov qab thermal expansion thiab contraction yam tsis muaj interfacial sib cais.
III. Cov txiaj ntsig tseem ceeb ntawm Titanium-Copper Composite Rods hauv Electroplating Baths
Nyob rau hauv cov xwm txheej hnyav no, titanium- tooj liab sib xyaw rods nthuav qhia kev ua tau zoo tsis sib xws los ntawm cov khoom siv ib txwm muaj:
"Outer Plhaub" - Corrosion Resistant, Tiv thaiv lub substrate: Cov txheej txheem titanium yog nyob rau hauv kev sib cuag ncaj qha nrog corrosive electrolytes thiab tso tawm muaj zog oxidising gases. A dense, robust oxide film (TiO₂) quickly forms on the titanium surface, exhibiting a passive state in most electroplating solutions, thus protecting the internal copper core from corrosion like armor. Qhov no txuas ntxiv lub neej kev pab cuam ntawm titanium- tooj liab cov pas nrig los ntawm ntau dua 10 npaug piv rau cov tooj liab electrodes.
"Inner Core" - High Conductivity, Energy Saving and Consumption Reduction: Copper muaj cov conductivity ntau dua li titanium. Titanium- cov pas nrig tooj liab sib xyaw, nrog cov tooj liab ua tau zoo heev raws li cov khoom siv tseem ceeb, xyuas kom muaj kev sib kis tam sim no nrog kev poob qis heev. High- cov pas nrig zoo sib xyaw tuaj yeem ua tiav qhov microresistance qis li 7.77 × 10⁻⁶ Ω, txo cov hluav taws xob poob zoo thiab zam kom tsis txhob muaj qhov kub thiab txias txias vim qhov cua sov ntawm cov pas nrig conductive.
Strength thiab Structural Stability: Composite rods muab lub zog ntawm tooj liab nrog lub zog ntawm titanium. Lawv lub zog tawm los tuaj yeem ncav cuag 128 MPa, thiab lawv lub zog tensile shear tuaj yeem ncav cuag 180-260 MPa, txaus los txhawb nqa hnyav anode daim hlau lossis titanium pob tawb thiab tuav cov qauv kev ruaj ntseg thaum lub sij hawm sib tov sib xyaw lossis ua haujlwm co.
Txo cov kab mob sib kis thiab txhim kho txheej txheej zoo: Vim tias cov txheej titanium tsis corroded, qhov ua tau ntawm tooj liab ions nkag mus rau hauv lub plating da dej thiab tsim cov kev cuam tshuam los yog impurity hlau paug yog tsim nyog tshem tawm. Qhov no yog qhov tseem ceeb heev rau kev ua kom cov adhesion, purity, thiab xim ntawm txheej.
IV. Daim Ntawv Thov Kev Sib Tw thiab Kev Tiv Thaiv
Txawm hais tias muaj kev ua tau zoo ntawm titanium- cov pas nrig tooj liab sib xyaw, cov kev sib tw hauv qab no tseem yuav tsum tau hais txog hauv kev siv cov khoom siv da dej electroplating kom ntseeg tau tias kev ua haujlwm zoo:
** Kev Sib Tw ntawm Interface Bonding Quality **
Kev Sib Tw: Cov txheej txheem tsim khoom tsis tsim nyog (xws li thaum ntxov, txheej txheej txheej txheem yooj yim) yuav ua rau muaj qhov khoob lossis tsis txaus ntawm cov txheej txheem titanium thiab cov tub ntxhais tooj liab. Raws li kev cuam tshuam tam sim no lossis thermal cycling, qhov cuam tshuam cuam tshuam yuav nce ntxiv, thiab delamination tseem tuaj yeem tshwm sim, ua rau muaj kev kub ntxhov hauv cheeb tsam lossis kev ua haujlwm tsis ua haujlwm.
** Kev daws teeb meem: ** Kev ua haujlwm tawg + dov lossis cov txheej txheem tseem ceeb ntawm cov txheej txheem kub dov yog qhov tseem ceeb rau kev ua tiav kev sib txuas ntawm cov hlau. Kev kho dua tshiab ntawm lub teb chaws tus qauv GB / T 12769 tau qhia meej txog cov txheej txheem kub dov los xyuas kom meej tias lub interface shear zog ua tau raws li cov qauv. Thaum cov neeg siv tau txais kev pom zoo, qhov sib xyaw zoo tuaj yeem lees paub los ntawm kev kuaj ultrasonic lossis kev tshuaj xyuas machining.
**Design of Conductive Contact Points**
Kev sib tw: titanium nws tus kheej muaj kev ua haujlwm tsis zoo. Yog tias qhov chaw sib txuas ntawm titanium- tooj liab sib xyaw pas nrig thiab lub zog hluav taws xob tooj liab busbar tseem siv ncaj qha titanium- tooj liab tiv tauj (xws li kev sib tiv tauj), nws muaj kev cuam tshuam heev rau overheating, arcing, thiab txawm hlawv ntawm titanium txheej vim kev tiv thaiv ntau dhau.
Kev daws: Nws yog feem ntau pom zoo kom tshuab tshem tawm cov txheej txheem titanium ntawm qhov kawg ntawm kev sib txuas ntawm titanium- tooj liab sib xyaw pas nrig kom nthuav tawm cov tub ntxhais tooj liab sab hauv, tso cai rau cov tooj liab ncaj qha - rau - tooj liab kev sib txuas thiab ua kom muaj kev sib txuas zoo. Tam sim no qhov ceev ntawm tus nuv yuav tsum tau tswj nyob rau hauv ib tug tsim nyog ntau yam (xws li, Tsawg tshaj los yog sib npaug rau 0.26A / cm²) kom tsis txhob overheating.
Titanium Txheej Kev puas tsuaj thiab kho
Kev Sib Tw: Cov cuab yeej ntse tuaj yeem khawb cov titanium txheej thaum lub sij hawm anode loading / unloading los yog tank tu. Thaum cov txheej titanium puas lawm, cov kua corrosive yuav nkag mus rau hauv thiab corrode tooj liab substrate, ua rau thaj chaw nthuav dav, bulging, los yog tawg ntawm titanium txheej.
Kev daws: Kev saib xyuas yuav tsum tau ua thaum lub sijhawm ua haujlwm, thiab qhov chaw ntawm cov pas nrig sib xyaw yuav tsum tau tshuaj xyuas tsis tu ncua. Rau kev puas tsuaj me, titanium vuam siv tau rau kev sib khi; yog tias qhov kev puas tsuaj loj heev, yuav tsum hloov pauv.
Tight Fit nrog cov khoom siv anode
Kev sib tw: Lub titanium- tooj liab sib xyaw pas nrig feem ntau yog muab tso rau hauv lub pob tawb titanium los yog hanger raws li cov kab hluav taws xob sib txuas. Yog tias qhov kev sib cuag tsis nruj, lub peev xwm saum npoo ntawm titanium- tooj liab sib xyaw pas nrig yuav nce siab, ua rau muaj zog oxygen / chlorine evolution cov tshuaj tiv thaiv. Qhov no, nyob rau hauv lem, corrodes lub titanium pob tawb nuv thiab nto ntawm cov pas nrig sib xyaw, thiab accelerates lub oxidative decomposition ntawm additives.
Kev daws: xyuas kom meej tias titanium{0}} tooj liab sib xyaw pas nrig thiab lub taub hau pob tawb titanium lossis nuv yog nyob rau hauv qhov chaw sib cuag thiab nruj nreem nias ua ke. Yog tias tsim nyog, cov qauv kev sib txuas yooj yim tuaj yeem tsim tau.
V. Kev Lag Luam Trends thiab Technology Outlook
Nrog rau kev xav tau ntau ntxiv rau kev txuag hluav taws xob, kev tiv thaiv ib puag ncig, thiab kev ua tiav plating hauv kev lag luam electroplating, daim ntawv thov ntawm titanium - tooj liab cov pas nrig sib sib zog nqus. Ntawm ib sab, kev kho dua tshiab ntawm tus qauv GB / T 12769 tau ntxiv ntau tus ntoo khaub lig- cov duab ntu (xws li cov duab plaub thiab tiaj tus) thiab cov titanium tshiab- tooj liab- steel peb- txheej txheej rods, ua kom muaj zog thiab txuag tooj liab los ntawm kev ntxiv cov tub ntxhais hlau. Ntawm qhov tod tes, raws li cov yam ntxwv corrosion ntawm ntau hom plating (xws li nyuaj chrome plating, zinc plating, thiab npib tsib xee plating), ntau-cov khoom sib xyaw xws li npib tsib xee-clad tooj liab thiab zirconium-clad tooj liab tau tsim los ua kom tau raws li qhov xav tau ntau tshaj qhov chaw xov xwm.
Hauv kev xaus, kev hloov kho los ntawm cov khoom siv tooj liab zoo tib yam rau titanium- tooj liab cov pas nrig tsis yog ib qho kev hloov khoom siv yooj yim xwb tab sis yog ib qho tseem ceeb hauv kev nce qib ntawm cov khoom siv electroplating rau kev ua tau zoo dua, kev ua neej ntev, thiab kev ua haujlwm ntsuab. Titanium- tooj liab sib xyaw pas nrig, nrog rau lawv cov kev sib xyaw ntawm rigidity thiab saj zawg zog, zoo kawg nkaus sib npaug ntawm cov tub ntxhais tsis sib xws ntawm conductivity thiab corrosion kuj. Nyob rau yav tom ntej electroplating thiab hydrometallurgical cov cuab yeej, raws li cov txheej txheem sib xyaw ua kom paub tab thiab dhau los ua tus qauv, titanium- tooj liab sib txuas rods yuav txuas ntxiv ua tus "caj qaum" ntawm cov hlau anodes, bearing qhov hnyav ntawm cov dej ntws loj, tiv thaiv corrosive media, thiab tiv thaiv kev ruaj ntseg ntawm siab - kawg txheej txheem kho deg.
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