Hauv kev lag luam ntawm cov khoom siv hlau ua thiab kev siv, kev kho cua sov yog txheej txheem tseem ceeb uas ua lub luag haujlwm tseem ceeb hauv kev txhim kho cov khoom siv. Hauv nruab nrab thiab tom qab kev kho cua sov, qhov sib txuas ntawm qhov chaw kho mob kuj tseem yog qhov tseem ceeb. Cov kauj ruam no yog txhawm rau tshem tawm cov nplai thiab ntau yam kab mob uas tsim los ntawm cov hlau nto, txo cov kev ua haujlwm ntawm cov hlau raug. Kev npaj nto yog qhov tseem ceeb tshwj xeeb tshaj yog ua ntej thiab thaum lub sij hawm siv cov txheej txheem tiv thaiv thiab ntau yam kev ua haujlwm ntawm cov titanium thiab nws cov alloys. Los ntawm kev siv cov txheej txheem tshwj xeeb no, cov khoom ntawm cov hlau hlau tuaj yeem txhim kho tau zoo, xws li txhim kho lawv cov kev tiv thaiv corrosion, oxidation, thiab hnav, yog li txuas ntxiv lub neej ntawm cov khoom.
Kev cuam tshuamFcov neeg ua yeeb yamOf TitaniumRua odPua icklingCkev xav
Cov txheej txheem pickling ntawm titanium rods thiab lawv cov alloys tsis zoo li qub, tab sis nyob ntawm seb hom oxide txheej thiab cov txheej txheem uas twb muaj lawm. Cov hom ntawm cov khaubncaws sab nraud povtseg no cuam tshuam los ntawm kev sib xyaw ua ke, ntawm cov txheej txheem kub ntawm - qhov kub thiab txias thaum ua haujlwm (xws li forging, casting, vuam, thiab lwm yam) yog qhov tseem ceeb.
Nyob rau hauv cov txheej txheem kub sib txawv, txheej txheej oxide tsim nyob rau saum npoo ntawm titanium pas nrig thiab nws cov alloy yog sib txawv heev. Thaum qhov kub ua haujlwm qis, lossis thaum kub kub kub hauv qab li 600 degree, tsuas yog ib txheej oxide nyias yog tsim rau ntawm cov hlau. Cov txheej txheej oxide nyias no kuj yooj yim los lis thiab muaj kev cuam tshuam tsawg dua rau cov txheej txheem tom ntej. Txawm li cas los xij, qhov xwm txheej yuav nyuaj thaum nyob hauv qhov kub thiab txias. Nyob rau hauv ib puag ncig siab - qhov kub thiab txias, tsis tsuas yog cov pa oxygen - nplua nuj diffusion cheeb tsam yuav tsim nyob ze ntawm oxide txheej, tab sis cov pa oxygen - nplua nuj diffusion txheej muaj qhov cuam tshuam tseem ceeb rau kev ua haujlwm thiab kev ua haujlwm tom qab ntawm cov khoom, thiab nws yuav tsum tau muab tshem tawm tag nrho los ntawm pickling thiab lwm yam txheej txheem los xyuas kom meej tias qhov zoo ntawm cov khoom nto ua tau raws li qhov yuav tsum tau ua.
Ntau txoj kevTo Rtshem tawmTnwsScalOf TitaniumRua ods
1. MechanicalMethod
Cov txheej txheem kev siv tshuab yog tsim nyog rau tshem tawm cov tuab oxide txheej thiab cov txheej tawv tawv. Txoj kev no tshem tawm cov nplai los ntawm cov hlau nto los ntawm kev ua haujlwm ntawm lub cev, xws li kev sib txhuam, kev cuam tshuam, thiab lwm yam. Nws qhov zoo dua yog tias kev ua haujlwm yog qhov yooj yim thiab ncaj qha, thiab nws tuaj yeem tshem tawm tau sai thiab zoo rau feem ntau ntawm cov nplai rau qee qhov nrog cov nplai tuab thiab tawv tawv. Txawm li cas los xij, kev siv tshuab kuj muaj qee qhov kev txwv. Piv txwv li, thaum lub sij hawm kev kho mob, tej zaum yuav ua rau ib tug tej yam℃ntawm mechanical puas tsuaj rau cov hlau nto, cuam tshuam lub flatness thiab tiav ntawm nto, thiab rau tej qhov chaw nrog complex duab thiab siab precision yuav tsum tau, mechanical txoj kev yuav nyuaj rau ua tiav cov zoo tagnrho cov nyhuv.
2. MoltenSaltBathMethod
Tshem tawm cov nplai hauv lub da dej ntsev yog lwm txoj kev siv ntau. Cov pas nrig titanium thiab nws cov hlau yog muab tso rau hauv ib qho tshwj xeeb molten ntsev da dej, thiab qhov kub thiab txias thiab tshuaj lom neeg ntawm cov ntsev da dej yog siv los cais cov nplai ntawm cov hlau nto. Txoj kev no tuaj yeem kho cov npoo hlau kom sib npaug thiab tuaj yeem ua tau zoo dua rau qee qhov chaw nrog cov duab nyuaj. Ntxiv mus, los ntawm kev xaiv qhov muaj pes tsawg leeg thiab cov txheej txheem tsis sib xws ntawm cov ntsev da dej, cov txheej txheem kev kho mob tuaj yeem tswj tau qee yam thiab kev puas tsuaj rau cov hlau matrix tuaj yeem txo. Txawm li cas los xij, molten ntsev da dej txoj kev kuj muaj qee qhov tsis txaus, xws li cov cuab yeej siv loj loj, yuav tsum tau tswj xyuas qhov kub thiab txias ntawm cov ntsev da dej thaum lub sijhawm ua haujlwm, txwv tsis pub nws yuav cuam tshuam rau kev kho mob, thiab molten ntsev da dej muaj qee yam kev phom sij rau ib puag ncig, thiab kev tiv thaiv ib puag ncig yuav tsum tau ua.
3. AcidSolutionPua icklingMethod
Acid tov pickling yog ib txoj hauv kev uas feem ntau siv los tshem tawm nplai. Los ntawm soaking lub titanium pas nrig thiab nws cov alloy nyob rau hauv ib tug tshwj xeeb acid tov, tshuaj lom neeg cov tshuaj tiv thaiv ntawm cov kua qaub thiab oxide daim tawv nqaij yog siv los yaj cov oxide daim tawv nqaij thiab ua tiav lub hom phiaj ntawm kev tshem tawm. Txoj kev pickling muaj qhov zoo ntawm kev ua haujlwm siab, tus nqi qis, thiab kev ua haujlwm yooj yim. Rau ntau hom thiab thicknesses ntawm oxide nplai, qhov kev kho mob zoo tshaj plaws tuaj yeem ua tiav los ntawm kev kho qhov tsis xws li hom, concentration, kub, thiab lub sijhawm pickling ntawm cov kua qaub. Piv txwv li, oxide txheej tsim thaum rhuab mus rau 600℃tuaj yeem yaj los ntawm kev pickling. Txawm li cas los xij, tseem muaj qee qhov teeb meem yuav tsum paub txog hauv txoj kev pickling. Cov kua qaub yog corrosive thiab tej zaum yuav ua rau corrosion ntau dhau rau cov hlau matrix yog tias tsis ua haujlwm zoo, cuam tshuam rau cov khoom ntawm cov khoom. Tsis tas li ntawd, cov pa phem xws li cov kua qaub pov tseg yuav raug tsim thaum lub sij hawm pickling, uas yuav tsum tau kho kom zoo kom tsis txhob muaj kev puas tsuaj rau ib puag ncig.
4. Kev sib xyaw ua keOf Mqhov kawgMkev cai
Hauv kev tsim khoom tiag tiag, ntau qhov xwm txheej, kev sib xyaw ntawm ntau txoj hauv kev yog siv los tshem tawm cov nplai kom muab kev ua si tag nrho rau qhov zoo ntawm ntau txoj hauv kev thiab ua tiav cov txiaj ntsig kev kho mob zoo dua.
Piv txwv li, lub nplai yog mechanically tshem tawm kom tshem tawm feem ntau ntawm cov thicker, harder scale, thiab ces pickled. Txoj kev no ua ke nrog kev tshem tawm sai sai ntawm kev siv tshuab nrog kev ua haujlwm zoo ntawm cov txheej txheem pickling, uas tuaj yeem txo qhov tuab ntawm cov nplai ua ntej, thiab tom qab ntawd ntxiv tshem tawm cov seem nplua thiab impurities los ntawm pickling, thaum ua rau me ntsis kev puas tsuaj rau cov hlau nto thiab tau txais qhov zoo ntawm qhov chaw.
Lwm txoj hauv kev los khi yog siv ntsev da dej tom qab pickling. Kev kho ntsev da dej tuaj yeem ua rau cov tawv nqaij oxide soften rau qee qhov, ua rau nws tsis muaj zog ntawm kev sib txuas nrog cov hlau nto, thiab tib lub sij hawm nqa tawm ua ntej ntxuav thiab ua kom cov hlau nto. Tom qab ntawd los ntawm pickling, lub nplai tuaj yeem raug tshem tawm ntau dua, thiab kev ua haujlwm ntawm pickling tuaj yeem txhim kho, txo lub sij hawm pickling thiab cov kua qaub.
Thaum ntsib oxide txheej thiab diffusion txheej tsim ntawm qhov kub thiab txias, cov txheej txheem tshwj xeeb yuav tsum tau kho rau lawv vim lawv cov qauv thiab cov khoom. Cov kev tshwj xeeb no tej zaum yuav yog kev txhim kho thiab kev ua kom zoo ntawm cov txheej txheem uas tau hais los saum no, lossis lawv yuav yog cov txheej txheem tshiab tsim los rau cov xwm txheej tshwj xeeb. Piv txwv li, nws yuav tsum tau siv tshwj xeeb tsim cov kua qaub los yog ntau yam - cov txheej txheem kev kho mob kom ntseeg tau tias cov txheej txheem oxide thiab diffusion tuaj yeem raug tshem tawm tag nrho thaum tswj xyuas qhov zoo ntawm cov hlau nto los ntawm kev tswj cov txheej txheem ntawm txhua kauj ruam.
Hauv cov ntsiab lus, kev kho deg thiab cov txheej txheem pickling ntawm titanium rods thiab lawv cov alloys yog cov txheej txheem nyuaj thiab tseem ceeb. Kev nkag siab txog qhov cuam tshuam ntawm oxide txheej tsim, tsim nyog xaiv txoj hauv kev kom tshem tawm oxide nplai, thiab siv kev sib xyaw ua ke raws li qhov xwm txheej tiag tiag yog qhov tseem ceeb los xyuas kom meej qhov zoo ntawm cov titanium rods thiab lawv cov alloys, txhim kho lawv cov kev ua tau zoo, thiab ua tau raws li qhov xav tau ntawm cov ntawv thov sib txawv. Hauv kev tsim khoom tiag tiag, nws yog qhov yuav tsum tau tshawb nrhiav thiab ua kom zoo dua cov txheej txheem tsis tu ncua thiab txhim kho qib ntawm cov txheej txheem thev naus laus zis kom ua tiav qib siab - ua haujlwm zoo thiab siv cov titanium rods.
