Kev piav qhia ntxaws ntawm TC4 titanium alloy ua tshuab
TC4 titanium alloy, raws li cov khoom siv hlau nrog kev ua tau zoo, tau siv dav hauv aerospace, biomedicine, chemical kev lag luam thiab kev tsim tsheb vim nws lub zog siab, tsis tshua muaj siab, zoo heev corrosion kuj thiab cov txheej txheem zoo plasticity. Kev sib txawv thiab qhov nyuaj ntawm nws cov txheej txheem kev ua haujlwm tsis yog tsuas yog qhia txog kev nce qib ntawm cov ntaub ntawv tshawb fawb, tab sis kuj ua tau raws li cov kev xav tau ntawm kev lag luam sib txawv rau cov ntaub ntawv ua tau zoo. Hauv qab no, peb yuav txheeb xyuas cov txheej txheem ua haujlwm ntawm TC4 titanium alloy kom ntxaws.
1. Kev npaj khoom siv
Hauv kev ua ntawm TC4 titanium alloy, kev npaj cov khoom yog thawj kauj ruam. Txij li thaum titanium alloy yog rhiab heev rau cua sov thiab yooj yim rau rebound, annealing kev kho mob feem ntau yuav tsum tau ua ua ntej ua kom txo hardness, txhim kho plasticity, thiab txo cov kev ntxhov siab concentration thaum ua. Nyob rau tib lub sijhawm, xyuas kom meej tias qhov chaw ntawm cov khoom yog huv si thiab tsis muaj impurities kom tsis txhob muaj kab mob thiab cov cuab yeej hnav thaum ua haujlwm. Xaiv cov cuab yeej txiav tsim nyog, xws li carbide, ceramic lossis cubic boron nitride cov cuab yeej, yog qhov tseem ceeb rau kev txhim kho kev ua tau zoo thiab ua kom muaj kev ua tau zoo.
2. Txiav kev ua haujlwm
Kev txiav yog qhov txuas txuas ntawm TC4 titanium alloy ua. Vim lub siab hardness thiab zoo thermal conductivity ntawm titanium alloy, ib tug loj npaum li cas ntawm tshav kub yuav raug generated thaum lub sij hawm txiav, uas yog ib qho yooj yim ua rau workpiece deformation thiab cov cuab yeej hnav. Yog li ntawd, nyob rau hauv cov txheej txheem txiav, ib tug series ntawm kev ntsuas yuav tsum tau coj mus rau txo lub txiav kub thiab txhim kho cov kev raug. Piv txwv li, high-speed txiav tshuab yog siv los txo lub sij hawm txiav los ntawm kev ua kom cov txiav ceev, yog li txo qhov kub thiab txias; coolant yog siv rau cua txias los tiv thaiv lub workpiece los ntawm overheating; precision ntsuas cov cuab yeej siv los saib xyuas qhov ua tiav qhov ntev ntawm lub sijhawm kom paub meej tias qhov kev ua tiav raws li qhov yuav tsum tau ua.
3. Kev kho cua sov
Kev kho cua sov yog ib feem tseem ceeb ntawm TC4 titanium alloy ua txheej txheem. Los ntawm txoj kev kho cua sov xws li annealing, kev daws teeb meem thiab kev laus kev kho mob, cov khoom siv ntawm titanium alloy tuaj yeem txhim kho tau zoo, thiab nws lub zog, hardness thiab corrosion kuj tuaj yeem txhim kho. Annealing tuaj yeem tshem tawm qhov kev ntxhov siab thaum lub sijhawm ua haujlwm thiab txhim kho cov yas thiab tawv ntawm cov khoom; kev kho mob tuaj yeem ua rau cov ntsiab lus sib npaug sib npaug thiab txhim kho lub zog thiab hardness ntawm cov khoom; kev laus kev kho mob tuaj yeem txhim kho lub koom haum thiab kev ua haujlwm ntawm cov khoom. Thaum lub sij hawm kho cua sov txheej txheem, tsis xws li cua sov kub, tuav lub sij hawm thiab txias npaum li cas yuav tsum tau nruj me ntsis tswj xyuas kom meej tias cov cua sov nyhuv yog pom zoo.
4. Kev kho deg
Kev kho saum npoo ntawm TC4 titanium alloy kuj yog ib qho tseem ceeb rau kev txhim kho nws cov kev ua tau zoo. Kev txhaj tshuaj peening tuaj yeem txhim kho lub zog qaug zog ntawm titanium alloy qhov chaw thiab tiv thaiv kev nthuav dav ntawm kev qaug zog tawg los ntawm kev tsim cov txheej txheem kev ntxhov siab rau ntawm qhov chaw. Plasma spraying los yog explosion spraying technology tuaj yeem tsim cov txheej txheem hnav-tiv taus ntawm qhov chaw, txhim kho qhov hnav tsis kam thiab kev pabcuam lub neej ntawm qhov chaw. Anodizing tuaj yeem tsim cov yeeb yaj kiab tuab rau saum npoo ntawm titanium alloy, txhim kho cov corrosion tsis kam thiab tawv ntawm cov khoom siv. Tsis tas li ntawd, cov thev naus laus zis kho deg xws li electroplating, micro-arc oxidation thiab tsis tshua muaj siab nqus nitriding kev kho mob kuj tau siv dav hauv kev ua ntawm TC4 titanium alloy.
Hauv cov ntsiab lus, cov txheej txheem ua haujlwm ntawm TC4 titanium alloy npog ntau qhov sib txuas xws li kev npaj cov khoom, txiav, kho cua sov thiab kho qhov chaw. Txhua qhov txuas yuav tsum muaj kev tswj hwm nruj ntawm cov txheej txheem tsis ua haujlwm thiab cov txheej txheem ua haujlwm kom ntseeg tau tias cov khoom lag luam ua tau raws li cov qauv tsim thiab kev ua haujlwm. Nrog rau kev nce qib ntawm kev tshawb fawb thiab thev naus laus zis thiab kev ua kom zoo dua qub ntawm cov thev naus laus zis, kev siv thev naus laus zis ntawm TC4 titanium alloy yuav txuas ntxiv txhim kho thiab txhim kho, muab cov ntaub ntawv zoo dua rau kev siv hauv ntau lub teb.
