Kev tsom xam ntawm cov txheej txheem kho npoo deg rau cov titanium thiab titanium alloys
Titanium thiab titanium alloys, vim lawv lub zog siab, thiab kev cuam tshuam corospace, tau dhau los ua cov kws kho mob engineering, thiab lwm thaj teb. Txawm li cas los xij, kev txwv hauv lawv cov khoom ntiag tug - xws li hnav tsis txaus, cov kev xav tau txhim kho kev ua haujlwm tsis zoo-tau txwv lawv cov khoom nthuav mus rau lwm cov ntawv thov. Txawm li cas los xij, los ntawm cov txheej txheem kev kho kom zoo, cov khoom siv cev nqaij daim tawv thiab tshuaj lom neeg cov khoom sib txawv, ua kom muaj kev ua haujlwm ncaj qha.
Pretreatment: Tso lub hauv paus rau kev hloov kho deg
Pretreatment yog ib kauj ruam tseem ceeb hauv kev ua kom muaj txiaj ntsig ntawm kev kho tom ntej. Kev siv lub cev thiab tshuaj yog siv los tshem tawm cov chaw nres nkoj, cov khaubncaws sab nraud povtseg, thiab kev ua cov kev ntxhov siab, muab cov txheej txheem huv si thiab ruaj khov rau kev hloov kho saum npoo.
Tu thiab degreasing
Siv kev tu ultrasonic lossis dej siab kub nrog dej tawm, etionized dej kom tshem tawm cov roj, plua plav, thiab cov roj oxide los ntawm cov nplaim titanium. Rau cov tawv ncauj stubs, acidic tu cov neeg sawv cev tuaj yeem siv rau pretreaticment, tab sis lub concentration thiab ntev yuav tsum tau nruj me ntsis tswj kom tsis txhob xeb ntawm substrate. Tom qab ntxuav, yaug nrog dej de deionized thiab qhuav tam sim ntawd los tiv thaiv cov paug theem nrab.
Sandblasting Thiab Polishing
Sandblasting siv cov cua compressed rau tshuaj tua cov khoom muaj abrasive mus rau saum npoo ntawm qhov kev kub ceev, tsim cov khoom sib txawv. Qhov no tsis tsuas yog tshem tawm nplai tab sis kuj txhim kho cov nplaum ntawm cov txheej txheej tom ntej. Rau qhov chaw ntsuas, ntub sandblasting los yog ntaub log polishing yog yuav tsum tau tswj hwm qhov chaw sib txawv ntawm cov tsim muaj thiab ua tau raws li cov kev xav tau siab.
Acid pickling thiab ua kom
Acid pickling tshem tawm cov npoo passivation txheej los ntawm kev tshuaj etching etching, thaum tseem tab tom txhim kho cov hlau cov khoom saum npoo av. Ib qho kev daws teeb meem yog kev sib xyaw ntawm fluoride thiab nitric acid. Lub sijhawm kho mob yuav tsum tau hloov kho raws li cov khoom siv titanium cov khoom siv thiab qhov chaw tiv thaiv kom tsis txhob muaj xeb ntau dhau. Rau electroplating pretreatment, ua kom cov txheej txheem ua kom zoo xws li zincess Nickin lossis Electroless Nickel Plating ntawm Titanium nto thiab txhim kho cov nplaum ntawm txheej.
Kev Hloov Kho Nto: Tsim Cov Txheej Txheem Ua Haujlwm
Kev hloov kho deg kom siv lub cev, tshuaj lom neeg, lossis cov duab sib tiv thaiv kev tiv thaiv, lossis hnav cov khoom siv tawv tawv, ua tiav cov khoom ua haujlwm rau Titanium.
Anodic oxidation
Siv titanium raws li anode thiab hla hluav taws xob los ntawm electrolyte, ib porous tio₂ oxide zaj duab xis nyob rau saum npoo. Los kho cov voltage thiab lub sijhawm, cov yeeb yaj kiab tuab thiab pore loj tuaj yeem tswj tau, ua kom muaj kev txhim kho xim lossis ua kom zoo. Hard anodizing ua cov yeeb yaj kiab tuab, txhim kho kev coj ua kev tsis kam thiab ua rau nws haum rau kev ua kom zoo.
Micro-Arc Oxidation
Siv lub nrawm nrawm ntawm cov micro-arc paug, ntxaij titicium txheej yog zus nyob rau hauv situ ntawm titu on titanium nto, ua rau muaj kev nyuaj thiab hnav zoo heev. Los ntawm kev ntxiv cov kev sib ntxiv tshwj xeeb, sib xyaw ua ke nrog ob qho corrosion resistance thiab cov tshuaj tua kab mob tuaj yeem npaj tau raws li cov ntawv thov yuav tsum tau ua daim ntawv thov. Cov thev naus laus zis no tsis tas yuav tsum muaj kev kub ntxhov siab thiab tsis cuam tshuam rau cov txheej txheem dedstrate, ua nws cov txheej txheem kev kho mob ntsuab thiab muaj kuab paug.
Tshuaj Hloov Ntshav Hloov Hloov
Los ntawm phosphating, passivation, lossis chromating hloov kho txheej txheem, tiv thaiv nws los ntawm chloride ion corrosion thiab ncua kev pabcuam lub neej ntawm cov khoom siv. Nyob rau hauv xyoo tsis ntev los no, chromium-dawb hloov dua txheej thev naus laus zis tau dhau los ua cov kev tshawb fawb hotspot los daws cov teeb meem ib puag ncig ntawm cov txheej txheem ib puag ncig.
TXHEEJ TXHEEM DEPOSITION: superimposing ib tug siab-ua hauj lwm tiv thaiv txheej
Txheej Deposition siv txoj kev siv lub cev lossis tshuaj lom neeg los tso nyiaj rau cov khoom siv tsis kam, corrosionity, lossis lub zog hluav taws xob.
Lub cev Vapor Deposition (PVD)
Txheej tawv tawv (xws li tin, Tic, lossis pob zeb diamond-zoo li cov pa roj carbon) tau muab tso rau ntawm qhov chaw ntawm Titanium Surfaces los ntawm Magetron Sputtering lossis Arc ion plating. PVD thev naus laus zis tsim tawm tsim cov khaub ncaws zoo, kev ua kom haum rau qhov kev xav tau ntawm qhov ntsuas kub thiab cov kev siv ntsuas kub thiab kub.
Qhov txau thermal
Ceramic lossis cov hmoov hlau hlau tau ua kom sov rau hauv lub xeev me me thiab txau mus rau hauv chav titanium nyob rau ntawm cov txheej txheej kub ua kom tuab. Cov thev naus laus zis no yog tsim nyog rau cov haujlwm loj thiab tuaj yeem kho cov khaub ncaws hnav kom sai (xws li hnav-resistant, corrosion-resistant, lossis bioactive txov). Txawm li cas los xij, cov txheej txheej nto tuaj yeem yog qhov ntxhib thiab xav tau cov txheej txheem tom ntej.
Electroless Plating Thiab Electroplating
Kev Siv Hluav Taws Xob Siv Electroless siv tus neeg sawv cev txo tus neeg sawv cev rau cov txheej hlau (xws li npib tsib) Hluav Taws Xob Hluav Taws Xob Ib Zaug Hlau (xws li npib tsib, tooj liab, lossis kub) los ntawm kev txhim kho hluav taws xob lossis tam sim no. Ob txheej txheej thiab cov thicknesses tuaj yeem xaiv raws cov cai tshwj xeeb.
Tom qab ua thiab kuaj: ua kom zoo thiab muaj kev ntseeg tau
Kev ua kom zoo ua kom cov txheej txheej txheej txheem ua haujlwm los ntawm kev kho mob xws li kev kho mob xws li kev kho cua thiab kev sim ua kom sov, thiab kev ua kom nruj ua raws cov qauv zoo.
Kho thiab Kho Kub
Titanium Khoom Siv Txheej nrog organic lossis thermally txau cov txheej txheem yuav tsum tau kho lossis kho cua sov kom txhim kho txheej txheej ua haujlwm. Kev kho qhov kub thiab lub sijhawm yuav tsum tau hloov kho raws li cov hom txheej txheej, thaum kev kho cua sov yuav tsum muaj cov cua sov thiab kub kom tshem tawm sab hauv kev ntxhov siab thiab txhim kho cov txheej sib dhos.
Kev Soj Ntsuam Zoo
Kev kuaj xyuas cov kev kuaj xyuas suav nrog kev ntsuas cov kab xev, xws li kev ntsuas cov kab xev (xws li ntsuas ntsev (xws li ntsuas ntsev lossis ntsuas tshuab hluav taws xob). Txhua yam khoom xeem yuav tsum ua raws cov qauv kev lag luam lossis cov neeg siv khoom.
Nruam nruam hauv titanium txuas ntxiv cov txheej txheem kev kho kom zoo nkauj tsis yog tsuas yog ib puag ncig uas tsim nyog rau kev ua tiav kev ua tiav kev ua haujlwm hauv kev tsim khoom siab. Los ntawm qhov kawg kev nrhiav ntawm qhov kub-ua kom siab thiab oxidation tiv thaiv cov khoom siv biomactivity yog kev sib koom tes sib sib zog nqus ntawm "muaj nuj nqi-txheej txheem-txheej txheem."
