Lub hauv paus rau phau ntawv
Corrosion yog qhov teeb meem dav dav uas cuam tshuam txog ntau kev lag luam, ua rau kev txhawj xeeb nyiaj txiag tseem ceeb thiab kev nyab xeeb. Cov lus nug tshwm sim: tau nqis peev hauv Los tiv thaiv xeb cov kev daws teeb meem nws? Tsab ntawv no rho tawm cov nqi thiab cov txiaj ntsig ntawm kev kho hniav xeb, tshawb txog lawv cov kev cuam tshuam ntawm cov ntaub ntawv ntev, cov nqi txij nkawm hauv ob daim ntawv thov kev lag luam thiab cov neeg siv khoom.
Kev tshawb fawb ntawm corrosion
Corrosion yog cov txheej txheem ntuj uas yog cov hlau me me tsis txaus ntseeg vim lawv ib puag ncig. Feem ntau, qhov no cuam tshuam nrog oxidation ntawm cov hlau nyob hauv lub xub ntiag ntawm noo noo thiab oxygen. Raws li lub koom haum saib xyuas hauv lub teb chaws ntawm corrosion engineers (nace), lub thoob ntiaj teb tus nqi Qhov kev sib txawv no daim duab uas underscores qhov tseem ceeb ntawm cov hau kev tiv thaiv corrosion zoo.
Cov Cuab Yeej Ntawm Tsig Tsim
Xub yog lub sij hawm ib txwm ua rau hlau oxide, tsim thaum hlau lossis nws cov alloys hnov mob nrog oxygen hnov thiab noo noo. Cov txheej txheem electrochemical cuam tshuam nrog anodic thiab cathodic cov tshuaj tivthaiv, qhov twg hlau poob hluav taws xob (oxygen Gass elects (txo). Qhov tshwm sim ib puag ncig xws li av noo, thiab muaj ntsev los yog cov pa phem tuaj yeem nrawm dua cov txheej txheem no.
Tus nqi cuam tshuam nrog corrosion
Kev cuam tshuam nyiaj txiag ntawm kev corrosion yog multifaceted. Cov nqi ncaj qha suav nrog kev kho kom zoo thiab hloov cov nqi uas yog neeg tsis ncaj ncees encompass encompass cia, poob kev tsim khoom, thiab muaj peev xwm kev nyab xeeb, thiab muaj peev xwm kev nyab xeeb, thiab muaj peev xwm kev nyab xeeb, thiab muaj peev xwm kev nyab xeeb, thiab muaj peev xwm kev nyab xeeb, thiab muaj peev xwm kev nyab xeeb, thiab muaj peev xwm kev nyab xeeb, thiab muaj peev xwm kev nyab xeeb kev nyab xeeb. Piv txwv li, hauv cov roj thiab roj kev lag luam, xa hluav taws xob corrosion tuaj yeem ua rau kom muaj xau thiab nchuav, ua rau ib puag ncig kev puas tsuaj thiab tsis zoo rau ib puag ncig. Ib qho kev kawm los ntawm Tsoomfwv Meskas Cov Thawj Coj Loj Hlob Loj tias Corrosion tus nqi kev thauj mus los kwv yees li $ 29.7 nphom txhua xyoo.
Kev Cuam Tshuam Rau Hauv Cov Txheej Txheem
Cov av teeb tsa xws li choj, vaj tse, thiab cov tsheb ciav hlau tshwj xeeb yog ua rau txhawm rau txhawm rau txhawm rau txhawm rau tshem tawm. Lub cev qhuav dej ntawm tus choj nyiaj hauv xyoo 1967, tau ua rau kev ua tsis tiav corrosion-induced tsis ua hauj lwm, hais txog qhov xav tau kev tiv thaiv xeb kev tiv thaiv corrosion. Kev nqis peev hauv anti-xeb ntsuas tuaj yeem nthuav tawm lub neej kev pab cuam ntawm cov chaw hauv tsev, txhim kho kev nyab xeeb thiab txo qis cov nqi ntev.
Los tiv thaiv xeb cov teeb meem: ib tug txheej txheem cej luam
Cov tshuaj tiv thaiv xeb ntau ntau los ntawm cov txheej txheem tiv thaiv kom siv cov khoom siv corrosion-resistant cov ntaub ntawv. Galvanization, piv txwv li, koom nrog siv zinc txheej rau cov hlau kom tiv thaiv kev xeb. Cov khoom lag luam xws li Galvanized hlau coils thiab cov ntawv txheeb tau siv dav siv hauv kev tsim kho thiab tsim khoom vim lawv ua rau lawv txoj kev ua kom zoo siab.
Cov Khaub Ncaws Tiv Thaiv
Txheej ua ua raws li lub cev lub cev ntawm cov hlau thiab cov khoom xeb corrosive. Cov no suav nrog cov xim tsev, epoxies, thiab tshwj xeeb txheej zoo li hmoov txheej. Kev nce qib hauv cov txheej txheem thev naus laus zis tau ua rau kev txhim kho cov khoom uas muaj sijhawm ntau dua thiab zoo ib puag ncig kev tiv thaiv.
Corrosion-resistant alloys
Cov ntaub ntawv xws li Stainless Hlau thiab Aluminium Alloys Lawm tiv taus corrosion vim lawv cov tshuaj muaj pes tsawg leeg. Qhov sib ntxiv ntawm cov ntsiab xws li chromium thiab npib tsib xee ua ib txheej passive uas txwv tsis pub oxidation. Thaum cov khoom siv no tuaj yeem kim dua Upfront, lawv lub sijhawm ntev ua rau pom tseeb thawj zaug kev nqis peev.
Kev Tshawb Xyuas Kev Lag Luam ntawm Cov Khoom Siv Tiv Thaiv
Kev txheeb xyuas tus nqi-txiaj ntsig yog qhov tseem ceeb los txiav txim siab tus nqi ntawm kev nqis peev xeb. Cov nqi pib ntawm cov kev kho hniav xeb yuav tsum tau ntsuas tiv thaiv cov nyiaj khaws cia los ntawm kev saib xyuas thiab ntev dua lub neej. Cov ntaub ntawv kev kawm hauv tebchaws Maritime tau qhia tias kev txhawb nqa cov nqi tiv thaiv corrosion los ntawm 20% dhau tsib xyoos.
Rov qab los ntawm kev nqis peev (ROI)
ROI suav xaiv cov nqi ntawm cov tswv cuab, suav nrog kev tswj hwm kev tswj hwm thiab cov nyiaj khaws cia yav tom ntej. Piv txwv li, kev tsim khoom tsob ntoo uas nqis peev $ 100,000 hauv kev tswj hwm xeb puv $ 150,000 nyob rau hauv kev saib xyuas thiab hloov cov txiaj ntsig ntawm $ 50,000.
Kev tshawb fawb ntaub ntawv: Kev lag luam automotive
Automakers muaj cov tshuaj kho hniav ntau av los tiv thaiv cov tsheb ua kom txhim kho lub tsheb ntev. Kev siv cov hlau galvanized hauv lub tsheb lub cev tau txo cov corrosion-cuam tshuam kev ua tsis tiav. Raws li tsab ntawv ceeb toom los ntawm JD Power, tsheb nrog kev tiv thaiv corrosion siab muaj 30% siab dua resale tus nqi tom qab tsib xyoos piv rau cov tsis muaj.
Ib puag ncig thiab kev txiav txim siab nyab xeeb
Kev nqis peev hauv kev daws teeb meem xeb kuj muaj cov txiaj ntsig ib puag ncig thiab kev nyab xeeb. Corrosion tuaj yeem ua rau txhawm rau xau ntawm cov khoom txaus ntshai, cov kev pheej hmoo ib puag ncig ib puag ncig. Kev tiv thaiv cov xwm txheej xws li los ntawm kev ntsuas xeb ntawm kev tiv thaiv ib puag ncig ib puag ncig kev tiv thaiv ib puag ncig thiab kev yoog raws kev cai.
Kev Tswj Fwm
Kev lag luam muaj kev cai lij choj raug rau cov kev cai uas yuam kev tiv thaiv kev tiv thaiv corrosion los tiv thaiv ib puag ncig ib puag ncig thiab ua kom pej xeem muaj kev nyab xeeb. Tsis-ua raws cai tuaj yeem ua rau raug nplua thiab kev ua kom zoo. Yog li, tiv thaiv cov peev txheej xeb tsis yog tsuas yog kev ceev siab tau tab sis kuj tsim nyog rau kev ua raws cai.
Kev nce qib hauv kev tiv thaiv xeb
Kev siv thev naus laus zis tau ua rau muaj txiaj ntsig zoo dua thiab them tus nqi tiv thaiv xeb daws teeb meem. Nanotechnology-based txheej, piv txwv li, muaj kev tiv thaiv zoo dua nrog cov khaubncaws sab nraud povtseg. Kev kho tus kheej yog lwm cov thev naus laus zis uas tuaj yeem kho kev puas tsuaj me, tswj kev ncaj ncees ntawm cov txheej txheem tiv thaiv.
Nto Kho Technologies
Cov tswv yim xws li laser deg kev hloov kho thiab ntshav cov kev kho txhim kho kom tiv taus corrosion. Cov hau kev no tuaj yeem txhim kho cov txheej adhesion thiab tsim cov chaw uas tsis tshua muaj txiaj ntsig rau cov tshuaj tiv thaiv corrosive. Kev tshawb fawb nyob rau hauv thaj chaw no yog txuas ntxiv, nrog cov lus cog tseg rau kev lag luam.
Kev Lag Luam Kev Lag Luam
Cov kws tshaj lij thoob plaws kev lag luam tawm hauv kev tswj hwm kev tswj hwm ruaj khov. Raws li Dr. Jane Smith, tus kws kho corrosioner ntawm cov kev ntsuas corrosion tsis yog tsuas yog hais txog kev ua haujlwm ntawm kev ua haujlwm ntawm kev tiv thaiv xeb.
Kev tuav pov hwm thiab kev lav phib xaub
Cov tuam txhab cov tuam txhab kev pov hwm yuav muab cov nyiaj pov hwm txo rau cov cuab tam muaj kev tiv thaiv tiv thaiv kev xeb, paub txog kev pheej hmoo qis ntawm qhov tsis ua haujlwm. Conversely, tsis pom zoo Corrosion tiv thaiv tuaj yeem ua rau muaj kev lav phib xaub lossis ib puag ncig ib puag ncig, txuas ntxiv pom zoo los tiv thaiv kev nqis peev xeb.
Cov kev sib tw thiab kev txiav txim siab
Thaum cov txiaj ntsig yog tseeb, muaj cov kev sib tw cuam tshuam nrog kev kho ntshav xeb. Cov no suav nrog cov nqi pib, thov cov khoom siv, thiab qhov xav tau ua haujlwm txawj ua haujlwm. Xaiv cov txheej txheem tsim nyog los tiv thaiv xeb yuav tsum ua tib zoo xav txog cov kev cai ib puag ncig ib puag ncig thiab kev ua haujlwm.
Nqi Muaj txiaj ntsig
Tsis yog txhua tus tiv thaiv xeb yog qhov haum rau txhua daim ntawv thov. Kev tiv thaiv kev tiv thaiv-kev tiv thaiv kev tiv thaiv kuj tuaj yeem ua rau cov kev siv nyiaj tsis tsim nyog. Nws yog qhov tseem ceeb kom sib npaug qib kev tiv thaiv nrog tus nqi, kom cov peev txheej ua ke nrog cov cuab yeej tseem ceeb thiab xav tias lub neej.
Tag
Hauv kev xaus, kev nqis peev hauv cov ntsuas tiv thaiv xeb feem ntau tsim nyog thaum txiav txim siab ntev txuag, txhim kho kev nyab xeeb, thiab kev tswj hwm kev ua raws. Cov nqi UPRONT yog feem ntau offset los ntawm kev ncua lub neej ntawm cov khoom muaj nqis thiab kev zam ntawm kev kho tus nqi lossis hloov pauv. Embracing anti-xeb daws teeb meem zoo li Cov tshuaj tiv thaiv cov xeb tuaj yeem ua rau cov txiaj ntsig tseem ceeb thoob plaws ntau yam lag luam.
Lus pom zoo
Kev lag luam yuav tsum ua cov kev lag luam kom txiav txim siab los txiav txim siab tshaj plaws-cov tswv yim tiv thaiv tau xeb feem ntau. Kev koom tes nrog cov kws tshaj lij hauv xeb tuaj yeem muab cov kev pom rau hauv cov thev naus laus zis tshiab thiab kev coj ua zoo tshaj plaws. Kev nqis peev rau cov neeg ua haujlwm kev cob qhia rau kev kho mob thiab kho cov xeb kuj tseem tseem ceeb rau cov txiaj ntsig ntau.
