Corrosion tsis kam thiab yooj yim electrochemical cov yam ntxwv ntawm titanium alloy
1.1 corrosion tsis kam ntawm titanium alloy
Titanium alloy tau pom dav dav yog "cov khoom siv hlau" thiab cov khoom siv zoo rau cov nkoj vim nws cov khoom lag luam zoo heev. Coob tus ntawm marine engineering cov kev ua lag luam thiab kev sim tshawb fawb tau pom tias muaj dej hiav txwv zoo nkauj, thiab yuav luag tsis muaj kev sib zog ua rau pitting thiab corrosion. Tuam Tshoj tus 16 xyoo hiav txwv hauv qab hiav txwv hiav txwv, Sab hiav txwv sab hnub tuaj muaj yuav luag tsis muaj kev raus dej tsis muaj ntau, thiab muaj ntau yam dej hiav txwv. Peb xyoos ntawm lub hiav txwv sib txawv tiag hauv kev sib sib zog nqus {}}}}}}}}}}}}}}}}}}}}} paia corrosion hauv hiav txwv hauv hiav txwv.
Qhov zoo tshaj corrosion tsis kam ntawm titanium alloy cov ntaub ntawv nyob rau hauv ib puag ncig dej hiav txwv ib puag ncig yog mas muaj tsib yam:
(1)
(Cov txheeb ze cuam tshuam ntawm titanium hlau thiab oxygen yog qhov tsis tshua muaj neeg, thiab stainless hlau yog qhov nyuaj rau muaj nyob rau hauv ib puag ncig metallic hauv ib qho chaw aerobic;
(2)
Titanium alloys tau ntom ntom ntom xim oxide zaj duab xis, tsis muaj cov hmoov av xoob, thiab lawv cov tshuaj pleev ib ce muaj cov duab uas zoo heev thiab thaiv cov khoom;
(3)
Lub oxides tio, TiO2, thiab Ti2o3 tsim nyob rau saum npoo ntawm titanium hlau yog ruaj khov thiab muaj kev tiv thaiv zoo heev rau chloride ion yi yaig;
(4)
Titanium deg oxide zaj duab xis oxide zaj duab xis yog tsim los ntawm kev loj hlob meding tshuab, muaj zog sib txuam ntawm 1.76, nyob rau hauv lub compressive kev ntxhov siab lub xeev, thiab ob peb zaj duab xis;
(5)
Tus oxide zaj duab xis nyob rau saum npoo ntawm titanium muaj tus kheej zoo heev- Kho lub xeev ruaj khov lossis puas los ntawm cov rog sab nraud. Cov yam ntxwv zoo tshaj plaws txiav txim siab tias titanium alloy yog ib lub ntuj corrosion {{}} Cov khoom siv tiv taus hlau.
Yog li ntawd, nws yog feem ntau ntseeg hais tias cov khoom tsim Engineering ua los ntawm titanium alloy tuaj yeem zam rau cov teeb meem corrosion thiab kev tiv thaiv teeb meem ntawm cov qauv tsim ua lag luam hauv marine engineering. Qhov kev xav zoo ib yam tuaj yeem coj kev phom sij kev nyab xeeb loj, tshwj xeeb rau cov cuab yeej siv hauv hiav txwv zoo li ntev, nws cov teeb meem kev nyab xeeb tsis tuaj yeem tsis quav ntsej.
Qhov tseeb, txawm tias titanium alloy cov ntaub ntawv muaj teeb meem zoo xws li kev ua phem ib puag ncig hauv hiav txwv ib puag ncig, thiab txuas nrog cov hauv zej zog ntawm microbial. Piv txwv li, kev kawm los ntawm Beijing University of Science thiab technology tau pom [10] uas thaum muaj kev ruaj khov thiab xeb hlau ua haujlwm ntawm cov yeeb yaj kiab uas ua rau titanium passivation tsawg dua; Sulphur ions muaj cov tshuaj fluoride thiab fluoride rions muaj qhov cuam tshuam zoo tshaj plaws ntawm cov roj fluoride, tshwj xeeb tshaj yog thaum muaj teeb meem fluoride ntau dua li 0.005Mol / L, loj corrosion corrosion yuav tshwm sim hauv titanium alloys.
Tebchaws Asmeskas Navy pom kev ntxhov siab corrosion burning hauv high {}}}}}}}}} pa thiab qhov cub tawg tau siab dua li ntawm cov hlau. Raws li kev tshawb fawb ntawm Harbin Engineering University, Lub koom haum ntawm cov kws tshaj lij hydrostatic thiab kev nyuaj siab corrosion rhiab ntawm titanium alloy nce. Qhov kev ntxhov siab corrosion gr5 titanium alloy nyob rau hauv 20mpa hydrostatic siab yog nyob rau hauv daim ntawv ntawm hydrogen ua rau hydrogen ua rau tawg pleb. Nrog rau kev nce ntawm lub zog, kev nyuaj siab corrosion rhiab ntawm titanium alloy nce. Ib qho ntxiv, hauv cov khoom siv marine engineering cov qauv, cov khoom siv hluav taws xob, uas tau ua rau muaj kev cuam tshuam ntawm kev ua kom muaj kev puas tsuaj hauv zos rau titanium alloys.
Thov cov lus hais
Email:bjcxtitanium@gmail.com
Whatsapp: +8613571718779
