Insay di eria fɔ matirial sayɛns ɛn injinɛri, dɛn kin yuz di wɔd dɛn kɔrɛshɔn, ɔksidɛshɔn, ɛn rɔst bɔku tɛm fɔ chenj dɛnsɛf. Bɔt, dɛn prɔses ya, pan ɔl we dɛn gɛt fɔ du wit dɛnsɛf, gɛt difrɛn kwaliti dɛn ɛn impak dɛn. Fɔ ɔndastand dɛn difrɛns na impɔtant tin fɔ di industri dɛm we de frɔm kɔnstrɔkshɔn to ɛrospɛs, bikɔs dɛn tin ya kin rili afɛkt di lɔng layf ɛn sef fɔ di matirial ɛn strɔkchɔ dɛm.
Wetin na kɔrɛshɔn?
Kɔroshɔn na di smɔl smɔl we dɛn de pwɛl di tin dɛn we dɛn de yuz, bɔku tɛm na mɛtal dɛn, we dɛn kin mek bikɔs ɔf kemikal ɔ ilɛktrɔkɛmikɛl riakshɔn. I de wikɛd di matirial ɛn afɛkt in strɔkchɔral intɛgriti. Kɔroshɔn kin mek pɔsin nɔ ebul fɔ du sɔntin if dɛn nɔ chɛk am.
Digradishɔn fɔ di matirial prɔpati dɛn .
We kɔrɛshɔn apin, i kin chenj di tin dɛn we di tin we dɛn yuz fɔ mek di bɔdi gɛt. Dis inklud trɛnk, aw i luk, ɛn ivin di kɔnduktiviti. Ilektrokemical riakshכn bitwin di mεtal εn in envayroment de mek dis dεgradashכn.
Tayp dɛn fɔ Kɔroshɔn .
Koroshon nor de di sem in evri scenario. Difrɛn say dɛn ɛn tin dɛn we dɛn kin yuz kin mek difrɛn we dɛn fɔ kɔrɛshɔn. Dis dɔŋ ya na sɔm kɔmɔn kayn dɛn:
Yunifɔm Atak : Dis na di kɔmɔn we fɔ kɔrɛshɔn. I kin apin we di wan ol say na wan tin we dɛn yuz fɔ mek di tin dɛn we de na di wɔl, kin apin to say we de pwɛl, ɛn dis kin mek i ivin pwɛl.
Galvanic Corrosion : Dis kayn koroshɔn kin apin we tu difrɛn mɛtal dɛn de in kɔntakt wit dɛnsɛf we wan ilɛktrɔlayt de de. Di less noble metal bi di anod en korod fast fast.
Ecell = E0Katɔd - E5Anode - (RT/NF) LN([OX]/[Rɛd])
Ecell=sɛl pɔtɛnɛshɔn, E0=standad ilɛktrɔd pɔtɛnɛshɔn, r=gas kɔnstant, t=tɛmpracha, n=nɔmba fɔ ilɛktron dɛn we dɛn transfa, ɛn F na di Faraday kɔnstant.
Crevice Corrosion : I kin apin na say dɛn we dɛn kin kɔnfyus usay di kɔrosiv ɛnvayrɔmɛnt kin rili siriɔs pas di eria we de rawnd. Dɛn spɛshal ples dɛn ya, ɔ kres dɛn, dɛn kin mek dɛn bay we dɛn mek dɛn ɔ bay we dɛn gɛda di dɔti dɛn.
Rate of koroshɔn ∝ [Cl–]e(-∆G/RT) .
In dis ikwyulet, ΔG na di chenj in Gibbs fri enaji, R na di gas kɔnstant, ɛn T na di tɛmpracha.
Pitting : Dis na lokaliz fɔm fɔ kɔrɛshɔn we kin rilizɔt smɔl ol ɔ pit dɛn na di say we dɛn mek am wit mɛtal. I kin tranga fɔ no ɛn i kin mek i nɔ wok kwik kwik wan.
Intergranular Corrosion : Dis kayn kɔrɛshɔn kin apin along di gren bɔda dɛn na wan mɛtal, bɔku tɛm na bikɔs ɔf di prɛsipitashɔn fɔ di dɔti ɔ di fɔmɛshɔn fɔ difrɛn faz dɛn.
Erosion Corrosion : I kin apin we wan kɔrosiv fluid de muv oba wan mɛtal sɔfays na ay velositi, we de mek ɔl tu di mɛkanikal wear ɛn di kemikal dɛgradishɔn.
Stress Corrosion Cracking : Dis kin apin we wan mɛtal de sɔbjɛkt to ɔl tu di tɛnsiɛl strɛs ɛn wan kɔrɛkt ɛnvayrɔmɛnt, we kin mek dɛn mek ɛn prɔpagɛt krak.
Selektiv lichin : Dis kayn kɔrɛshɔn involv fɔ pik wan ɛlimɛnt frɔm wan ɛlimɛnt frɔm wan alɔy, lɛf biɛn wan wikɛd, porous strɔkchɔ.
Di tin dɛn we dɛn kin yuz fɔ mek tin dɛn we dɛn dɔn kɔrɛshɔn .
Koroshon no jos afekt metal. Ɔda tin dɛn kin pwɛl bak:
Metals : ayɛn, aluminiɔm, kɔpa, ɛn dɛn alɔy dɛn kin afɛkt mɔ bay kɔrɛshɔn.
Ceramics : Pan ɔl we i nɔ tu kɔmɔn, sɛramik kin pwɛl tru kemikal riakshɔn wit dɛn envayrɔmɛnt.
Polimεr : Insted fכ kכrod, polimכr dεm de dεgrad. Dis kin mek pɔsin wik kin mek i krak, i kin wɔp, ɔ i kin chenj in kɔlɔ.
Wetin na Ɔksidɛshɔn?
Oksidεsh כn na kεmikכl prכsεs usay wan mεtirial de lכs εlektrכn dεm, we kin riak wit כksijεn. Na pat pan ɛvride kemistri, bɔku tɛm kin mek chenj dɛn we pɔsin kin si lɛk kɔlɔ ɔ tɛkstɔr.
Kεmikכl prכsεs we involv di lכs כf εlektrכn dεm .
insay כksidεshכn, wan sכbstans de giv כp εlektrכn dεm to כda wan. Bɔku tɛm, ɔksijɛn na di tin we kin tek dɛn. Dis riakshɔn kin apin insay ɔl tu di ɔrganik ɛn inɔgɛnɛk matirial dɛm, chenj dɛn prɔpati dɛm. Wan jenɛral ɔksidɛshɔn riakshɔn kin bi riprizent as:
M → M⁺ + E⁻
Na ya, 'M' de sho di matirial (bɔku tɛm na mɛtal) we de lɔs ɛliktrɔn, i kin bi wan pɔsitiv chaj ayɔn (M⁺).
Ɛgzampul dɛn fɔ Ɔksidɛshɔn na ɛvride layf .
Ɔksidɛshɔn de afɛkt di tin dɛn we wi de yuz ɛvride. Na sɔm kɔmɔn ɛgzampul dɛn ya:
Rusting of Iron and Steel : We ayɛn riak wit ɔksijɛn ɛn mɔs, i kin mek rɔst. Di kemikal ikwyulet fɔ rɔst fɔmɛshɔn na:
4Fe + 3o1 + 6h2o → 4Fe(OH)₃
Dis rɛd-brawn layt de wikɛd di mɛtal.
Tarnishing of silver : Silva de riak wit salfa kompound na di eiya, we de fom silva salfide. Di kemikal ikwyuɛl na:
2AG + H₂S → Ag2s + H2
Dis blak layt de dull di shayn we silva jɔy ɔ kɔtlɛri gɛt.
Ɔksidɛshɔn insay ɔrganik matirial dɛn .
Ɔksidɛshɔn kin apin bak insay di tin dɛn we gɛt layf. Bɔt nɔ lɛk mɛtal, di ifɛkt dɛn kin bɛnifit:
Boost in metabolism : Insay wi bɔdi, ɔksidɛshɔn de ɛp fɔ bɔn it fɔ ɛnaji, fɔ mek di mɛtabolism go kwik.
Lכw Kεnsar Risk : Sɔm כksidεshכn prכsεs dεm na di sεl dεm de εp fכ mek di bad bad fri radikal dεm nכ spre, we kin lכs di kεnsar risk.
Wetin na rɔst?
Rɔst na wan patikyula kayn kɔrɛshɔn we kin afɛkt ayɛn ɛn in alɔy dɛn, lɛk stɛl. I gɛt wan rɛd-brawn kɔlɔ ɛn wan flaky tɛkstɔr.
Dis kayn we fɔ kɔrɛshɔn kin apin we ayɛn kin gɛt mɔstɔ ɛn ɔksijɛn. Di prɔses fɔ mek rɔst involv sɔm step dɛn:
Oksidashɔn Riakshɔn : Ayɔn de lɔs ɛliktrɔn ɛn riak wit ɔksijɛn we wata de fɔ mek ayɛn(II) ayɔn.
Fe → Fe⊃2;⁺ + 2E4
Fɔmeshɔn fɔ ayɛn haydroksayd : Di Fe⊃2;⁺ ayɔn dɛn de riak wit wata ɛn ɔksijɛn fɔ mek ayɛn(II) haydroksayd.
Fe⊃2;⁺ + 2H3h + O2 → Fe(OH)2.
Oksidashɔn fɔ ayɛn haydroksayd : ayɛn(II) haydroksayd de ɔksidayz mɔ fɔ mek ayɛn(III) haydroksayd.
4Fe(OH)1 + O3 + 2H3h → 4Fe(OH)₃
Fɔmeshɔn fɔ rɔst : ayɛn(III) haydroksayd dihaydrɛt fɔ mek ayɛn(III) ɔksayd-haydroksayd, we dɛn kin kɔl rɔst. Dis rɔst na kɔmpleks miksɔp we gɛt ayɛn ɔksayd ɛn haydroksayd.
4Fe(OH)₂ → Fe3h · 3h2
Bɔku kɔndishɔn dɛn kin mek pipul dɛn gɛt rɔst fɔmɛshɔn:
Prɛzɛns fɔ mɔstɔ : Wata de wok lɛk ilɛktrɔlayt, we de mek di ɔksidɛshɔn-ridyushɔn riakshɔn dɛn we nid fɔ rɔst. If yu gɛt ay humidity ɔ dairekt ɛksplɔshɔn to ren kin aksɛleret di prɔses.
we yu gɛt ɔksijɛn ɛn ilɛktrɔlayt : ɔksijɛn impɔtant fɔ mek yu rɔst. Di eria dɛn we gɛt gud aeration ɔ we gɛt ay ɔksijɛn kɔnsɛntreshɔn kin gɛt mɔ prɔblɛm fɔ rɔsti. Sɔl ɛn asid kin mek bak di ilɛktrɔkɛmik aktiviti na di mɛtal go ɔp, ɛn dis kin mek di rɔst prɔses go kwik.
Envayrɔmɛnt Fakta dɛm : Tɛmpratura de ple wan rol fɔ rɔst fɔmɛshɔn. If yu gɛt ay tempɔret kin mek di rit we di kemikal dɛn kin apin, dat kin mek dɛn rɔst kwik kwik wan. Surface kontaminɛnt lɛk dɔti ɔ ɔyl kin trap mɔstɔ agens di mɛtal sɔfa, we kin mek lokaliz eria dɛn we nɔ izi fɔ rɔst.
Difrɛns bitwin kɔrɛshɔn, ɔksidɛshɔn, ɛn rɔst
| aspek | kɔrɛshɔn | ɔksidɛshɔn | rɔst . |
| Minin | Digradishɔn fɔ di matirial dɛn bikɔs ɔf di kemikal ɔ ilɛktrɔkɛmikɛl riakshɔn wit di envayrɔmɛnt . | Kεmikכl prכsεs usay wan sכbstans de lכs εlektrכn dεm, bכku tεm de involv כksijεn . | Speshal fɔm fɔ kɔrɛshɔn we de afɛkt ayɛn ɛn ayɛn alɔy . |
| Ɔmɔs | Broadest term, we de inklud difrɛn kayn matirial dɛgradishɔn . | Spesifi k Type of K ɛ mik ɔ l Riakshɔn . | Spesifi k prodakt fɔ ayɛn ɔksidɛshɔn . |
| Di tin dɛn we dɛn dɔn afɛkt . | Difrɛn tin dɛn lɛk mɛtal, sɛramik, ɛn polima dɛn . | Ɔl tu di ɔrganik ɛn inɔgɛnɛk sɔbstans dɛn . | Speshal ayɛn ɛn in alɔy dɛn . |
| Di tin dɛn we de apin na di envayrɔmɛnt . | I nid fɔ gɛt ilɛktrɔlayt . | Nid ɔksijɛn ɔ ɔda ɔksidayzin ɛjɛn . | I nid fɔ gɛt ɔl tu di ɔksijɛn ɛn di mɔstɔ . |
| Prodakt dɛn . | kin rilizɔt difrɛn kɔmpawnd dɛn . | I de mek ɔksayd dɛn . | Fɔm dɛn ayɛn ɔksayd ɛn haydroksayd . |
| Kεmikכl prכsεs . | Bɔku tɛm i kin involv ilɛktron transfa bitwin matirial ɛn envayrɔmɛnt . | Lɔs fɔ ilɛktrɔn dɛn, bɔku tɛm na ɔksijɛn . | Ayɔn de riak wit ɔksijɛn ɛn wata . |
| Aw a luk | difrɛn we dɛn (ɛgz., pit, skel) | Yu kin si am ɔ yu nɔ de si am dipen pan matirial . | Distinkt reddish-brawn kala . |
| Afɛkt | Usually detrimental to matirial prɔpati dɛn . | I kin bɛnifit (ɛgz., layers we de protɛkt) ɔ bad bad tin dɛn . | Ɔltɛm i kin ambɔg di tin dɛn we dɛn kin yuz fɔ mek ayɛn . |
| Ikonomik impak . | signifyant akɔdin to difrɛn industri dɛn . | I kin difrɛn difrɛn wan bay di kɔntɛks . | substantial in industry dɛn we de yuz ayɛn . |
Impekt fɔ kɔrɛshɔn, ɔksidɛshɔn, ɛn rɔst .
Kɔroshɔn, ɔksidɛshɔn, ɛn rɔst gɛt fa-fa kɔnsikuns we de go bifo pas di degradɛshɔn fɔ di matirial dɛn. Dɛn kin mek dɛn lɔs bɔku mɔni, dɛn kin mek dɛn gɛt prɔblɛm dɛn we kin mek dɛn nɔ gɛt prɔblɛm, ɛn dɛn kin ivin ambɔg di envayrɔmɛnt.
Di tin dɛn we go apin to di ikɔnomi .
Di kɔst dɛm we gɛt fɔ du wit kɔrɛshɔn, ɔksidɛshɔn, ɛn rɔst de stag. Akɔdin to wan stɔdi we NACE Intɛrnashɔnal dɔn du, dɛn se di glob ɔl kɔst fɔ kɔrɛshɔn na $2.5 trilyɔn ɛvri ia, we ikwal to 3.4% pan di wɔl in GDP.
Dɛn kɔst ya na:
Dairekt kɔst fɔ riples ɔ ripɛnt di tin dɛn ɛn di strɔkchɔ dɛn we dɛn dɔn kɔrɛd .
Indaykt kɔst lɛk fɔ lɔs prodakshɔn, envayrɔmɛnt damej, ɛn litigishɔn .
Mentɛnans kɔst fɔ kɔrɛshɔn prɛvɛnshɔn ɛn kɔntrol mɛzhɔ .
Di industri dɛn we dɛn kin afɛkt mɔ bay we dɛn de kɔrɛshɔn na:
Ɔyl ɛn gas .
Transpɔt (Ɔtomotiv, Erospɛs, Rel, ɛn Marin)
Infrastrakcha (brij, paip layn, ɛn bildin dɛn)
Di plant dɛn we dɛn de mek ɛn prosɛs .
Di tin dɛn we de mɔna pipul dɛn fɔ mek dɛn nɔ gɛt prɔblɛm .
Kɔroshɔn, ɔksidɛshɔn, ɛn rɔst kin kɔmprɔmis di strɔkchɔral intɛgriti fɔ bildin dɛn, motoka dɛn, ɛn infrastukchɔ. Dis bad bad tin kin mek bad bad tin apin, ɛn dis kin mek pipul dɛn layf pan denja.
Sɔm ɛgzampul dɛn bɔt di bad bad tin dɛn we kin apin bikɔs ɔf di prɔblɛm dɛn we kin apin bikɔs ɔf di kɔrɛshɔn na:
Kolaps fɔ brij ɔ bildin dɛn bikɔs ɔf wikɛd stɛl riinfɔsmɛnt dɛn .
Di paip layn dɛn nɔ wok, we mek ɔyl spɛl ɔ gas lik .
Malfunctioning of krichɔl kɔmpɔnɛnt dɛn na ayrakt ɔ motoka dɛn .
Kontamineshɔn fɔ drink wata frɔm kɔrɛkt paip dɛn .
Envayrɔmɛnt Implikashɔn dɛn .
Kɔroshɔn, ɔksidɛshɔn, ɛn rɔst kin gɛt impɔtant envayrɔmɛnt kɔnsikuns bak. We di kɔrod strɔkchɔ dɛn nɔ wok, dɛn kin pul di tin dɛn we de mek dɛn gɛt prɔblɛm na di envayrɔmɛnt.
Fɔ ɛgzampul:
Di tank dɛn we dɛn dɔn kɔrod kin lik kemikal ɔ petrolium prodak, we de dɔti di grɔn ɛn di wata we de ɔnda grɔn
Rusted metal waste kin lich hevi metals insay di ekosistim .
Digradishɔn fɔ infrastukchɔ kin mek dɛn nɔ ebul fɔ du tin fayn, dɛn kin mek di gas dɛn we de mek di wɔl wam mɔ ɛn mɔ .
Prɛvenshɔn ɛn Mitigashɔn Strateji .
Fɔ mek dɛn nɔ gɛt ɛn stɔp di kɔrɛshɔn, ɔksidɛshɔn, ɛn rɔst nid fɔ gɛt bɔku bɔku tin dɛn we dɛn kin yuz fɔ du am. Dis min se dɛn fɔ tek tɛm pik di tin dɛn we dɛn nid fɔ du, dɛn fɔ tink bɔt aw fɔ disayn, fɔ mek dɛn trit dɛn fayn fayn wan, fɔ kɔntrol di envayrɔmɛnt, ɛn fɔ mek dɛn de wach dɛn ɔltɛm.
Material Selection ɛn Dizayn .
Wan pan di we dɛn we go wok fayn fɔ mek dɛn nɔ kɔrɛshɔn na fɔ yuz tin dɛn we nɔ go ambɔg am. Sɔm ɛgzampul dɛn bɔt alɔy dɛn we nɔ de kɔrɛshɔn na:
Dɛn tin ya de mek wan protɛktiv ɔksayd layt na dɛn sɔfa, we de ɛp fɔ mek dɛn nɔ gɛt mɔ kɔrɛshɔn.
Disain de ple wan impɔtant pat bak fɔ minimiz kɔrɛshɔn. Di injinia dɛn fɔ:
Avɔyd shap kɔna ɛn kres usay kɔrɛkt tin dɛn kin gɛda .
Mek shɔ se drenaj fayn fɔ mek i nɔ gɛt wata we tinap .
Yuz jɔyn dɛn we dɛn dɔn wɛl instead fɔ gɛt kɔnɛkshɔn dɛn we dɛn dɔn bolt ɔ we dɛn dɔn rivet we i pɔsibul .
Protɛktiv kɔtin ɛn tritmɛnt dɛn .
If yu put di kɔtin ɛn tritmɛnt dɛn we de protɛkt yu na di say we wan matirial de, dat kin ɛp fɔ mek yu nɔ gɛt kɔrɛshɔn. Sɔm we dɛn we dɛn kin yuz na:
Peint ɛn ɔyl : Dɛn tin ya kin mek wan barɛri bitwin di mɛtal ɛn di envayrɔmɛnt, we kin mek dɛn nɔ ebul fɔ gɛt kɔrɛkt ɛjɛn.
Galvanizing : Dis min se dɛn kin kɔt ayɛn ɔ stɛl wit wan layt zink, we kin sakrifays fɔ protɛkt di mɛtal we de ɔnda am.
Ilektropletin : I de put wan tin layt we gɛt mɛtal we nɔ de rɔtin mɔ, lɛk kromiɔm ɔ nikel, pan di say we ɔda mɛtal de.
Anodizing : Dis prɔses de mek wan tik, protɛktiv ɔksayd layt na di sɔfays fɔ mɛtal dɛn lɛk aluminiɔm.
Passivation : I involv fɔ trit di sɔfays fɔ wan mɛtal wit wan kemikal sɔlvushɔn fɔ ɛp fɔ mek di fɔmɛshɔn fɔ wan protɛktiv ɔksayd layt go bifo.
Envayrɔmɛnt Kɔntrol .
We yu kɔntrol di envayrɔmɛnt, i kin ɛp fɔ mek yu nɔ gɛt prɔblɛm wit di tin dɛn we de kɔrɛkt. Sɔm strateji dɛn na:
Mentɛn di lɔw humiditi lɛvɛl fɔ ridyus di mɔstɔ na di ays .
Rigyulayt tempɔret fɔ avɔyd ekstrim fluktueshɔn we kin aksɛleret kɔrɛshɔn .
Yuz dihumidifier, air conditioners, ɔ hita fɔ kɔntrol di envayrɔmɛnt .
Fɔ kip tin dɛn na say dɛn we dɔn dray ɛn we gɛt bɔku briz ɛn wata we de fa frɔm tin dɛn we nɔ kɔrɛkt .
Koroshɔn monitarin ɛn inspekshɔn .
Fɔ wach ɛn inspekshɔn ɔltɛm kin ɛp fɔ no di kɔrɛshɔn kwik kwik wan, ɛn dis kin mek dɛn ebul fɔ ɛp dɛn di rayt tɛm. Dis involv:
Di say dɛn we dɛn kin luk di say dɛn we dɛn kin si sayn dɛn we de sho se dɛn dɔn kɔrɛshɔn, lɛk we dɛn nɔ gɛt kɔlɔ, we dɛn de pit, ɔ we de flɛk .
Yuz nɔ-dɛstruktiv tɛst mɛtɔd dɛn, lɛk ɔltrasɔnik tiknes mɛzhɔmɛnt ɔ raydiografi, fɔ asɛs di ɛtɛnt fɔ kɔrɛshɔn we nɔ go pwɛl di matirial .
Kip ditayli rεkɔd fɔ inspekshɔn rizɔlt fɔ trak di prɔgrɛs fɔ kɔrɛshɔn ova tɛm
Advansmɛnt dɛn fɔ mek dɛn nɔ gɛt kɔrɛshɔn ɛn teknɔlɔji .
As di fɛt agens kɔrɛshɔn de kɔntinyu, di risach pipul dɛn ɛn di injinia dɛn de divɛlɔp nyu we fɔ sɔlv di prɔblɛm fɔ mek dɛn nɔ gɛt ɛn stɔp di tin dɛn we i de du. Dɛn advansmɛnt ya de frɔm ay-pɔfɔmɛnshɔn kɔtin to rial-taym monitarin sistɛm ɛn novel matirial.
Divɛlɔpmɛnt fɔ ay-pɔfɔmɛnshɔn kɔtin dɛn .
Wan eria we big big prɔgrɛs na di divɛlɔpmɛnt fɔ advans protɛktiv kɔtin. Dɛn kɔtin dɛn ya de gi supia resistans to kɔrɛshɔn, wear, ɛn kemikal atak. Sɔm impɔtant ɛgzampul dɛn na:
Epoxy and Polyurethane Coatings : Dɛn wan ya de gi fayn fayn adheshon, durabiliti, ɛn resistans to mɔstɔ ɛn kemikal. Dɛn kin yuz dɛn bɔku say dɛn na di industri ɛn marin aplikeshɔn dɛn.
Fluoropolymer coatings : Dɛn sabi am fɔ dɛn ɛksɛpshɔn kemikal rɛsistɛns ɛn lɔw frikshɔn prɔpati, fluoropolymer kɔtin, lɛk PTFE (TEFLON), na fayn tin fɔ harsh ɛnvayrɔmɛnt.
Bio-inspired self-healing coatings : Dɛn inovativ kɔtin ya de falamakata di sɛlf-hɛlin prɔpati dɛm fɔ di liv ɔrganizm dɛm. Dɛn gɛt maykroskɔpik kapsul dɛn we ful-ɔp wit wɛlbɔdi ɛjɛn dɛn we kin kɔmɔt we di kɔtin dɔn pwɛl, we kin mek i ebul fɔ mek insɛf fayn.
Katodik Protekshɔn ɛn Kɔroshɔn Inhibitɔ Tɛknɔlɔji dɛn .
Katodik protɛkshɔn na wan we we dɛn dɔn establish fayn fayn wan fɔ mek dɛn nɔ gɛt kɔrɛshɔn na mɛtal strɔkchɔ dɛn. I min fɔ put smɔl ilɛktrik kɔrɛnt pan di mɛtal, we mek i bi di katɔd insay wan ilɛktrɔkɛmik sɛl. Dis kin mek di mɛtal nɔ kɔrɛkt.
Kɔroshɔn inhibito dɛn na sɔbstans dɛn we, we dɛn ad am to kɔrɛkt ɛnvayrɔmɛnt, de ridyus di rit we kɔrɛshɔn de. Dɛn de wok bay we dɛn de mek wan protɛktiv fim na di mɛtal ɔ bay we dɛn de chenj di kemistri na di envayrɔmɛnt.
Di tin dɛn we dɔn apin dis biɛn tɛm pan dɛn teknɔlɔji ya na:
Impressed kɔrɛnt kathodik protɛkshɔn sistem dɛn we de yuz solar pawa ɔ ɔda rinuɔbal ɛnaji sɔs
Ɔrganik kɔrɛshɔn inhibito dɛn we kɔmɔt frɔm plant ɛkstrakt ɛn ɔda eko-friɛndli sɔs dɛn .
Smart coatings we inkorporet koroshon inhibitors en rilis dem wen nid .
Rial-taym kɔrɛshɔn monitɔrin ɛn ali wɔnin sistɛm dɛn .
Fɔ no di kɔrɛshɔn kwik kwik wan na impɔtant tin fɔ mek dɛn nɔ pwɛl di bad bad tin dɛn we de apin. Rial-taym monitarin sistem dɛn de yuz sɛns fɔ kɔntinyu fɔ mɛzhɔ difrɛn paramita dɛn we gɛt fɔ du wit kɔrɛshɔn, lɛk:
Ilɛktrokɛmikɛl pɔtɛnɛshɔn .
Koroshɔn kɔrɛnt .
Di tin dɛn we de apin na di envayrɔmɛnt (tɛmpracha, humidity, pH)
Dɛn sistɛm ya kin wɔn di wan dɛn we de wok we di kɔrɛshɔn ret pas di lɛvul dɛn we dɛn kin aksept, we kin alaw fɔ mek dɛn intavyu dɛn insay di rayt tɛm. Sɔm advans sistɛm dɛn kin ivin yuz mashin lanin algɔritm fɔ prɛdikt kɔrɛshɔn rɛt bays pan istri data.
Nyu matirial ɛn tɛknik fɔ protɛkt kɔrɛshɔn na marin ɛnvayrɔmɛnt .
Marin envayrɔmɛnt dɛn kin rili tranga we i kam pan aw fɔ mek dɛn nɔ gɛt kɔrɛshɔn. Di kɔmbaynshɔn fɔ sɔl wata, bayolojikal fɔul, ɛn mɛkanikal strɛs kin mek ivin di tin dɛn we strɔng pas ɔl nɔ gɛt bɛtɛ trɛnk.
Risach pipul dɛn de mek nyu tin dɛn ɛn tɛknik dɛn fɔ sɔlv dɛn prɔblɛm dɛn ya, lɛk:
Di alɔy dɛn we nɔ de kɔrɛshɔn we gɛt ay levul dɛn pan kromiɔm, nikel, ɛn molibdɛnam
Kɔmpɔzit matirial dɛn we de kam togɛda di trɛnk we mɛtal dɛn gɛt wit di kɔrɛshɔn rɛsistɛns fɔ di polimɛr dɛn .
Nanostructured coatings we de mek wan super-hydrophobic surface, we de mek wata ɛn ɔda tin dɛn we de pwɛl nɔ de fala di mɛtal .
Ilɛktrokɛmik Kɔroshɔn Kɔntrol Mɛtɔd dɛn, lɛk impres kɔrɛnt katɔdik protɛkshɔn ɛn sakrifays anɔd dɛn .
Dɔn
Kɔroshɔn, ɔksidɛshɔn, ɛn rɔst gɛt fɔ du wit dɛnsɛf bɔt difrɛn prɔses dɛn we kin rili ambɔg di matirial ɛn strɔkchɔ dɛn. Pan ɔl we ɔksidɛshɔn na brayt kemikal riakshɔn, kɔrɛshɔn spɛshal wan de pwɛl di matirial dɛn, ɛn rɔst de afɛkt ɔl di ayɛn ɛn in alɔy dɛn.
Fɔ ɔndastand dɛn difrɛns ya rili impɔtant fɔ mek dɛn kɔntinyu fɔ gɛt sef ɛn lɔng layf fɔ difrɛn prɔpati dɛn. Risach we de go bifo pan kɔrɛshɔn sayɛns gɛt fɔ du wit fɔ mek nyu prɛvɛnshɔn strateji ɛn tɛnkɔlɔji fɔ fɛt dɛn prɔblɛm dɛn ya we de kɔntinyu fɔ apin.
