Dzadzɛnyenye (Nuɖuɖu ƒe Dzeside) Ga Si Mexɔ Asi O ƒe pɔmpi wɔwɔ kple eŋudɔwɔwɔ .
1. Anyigba dzi numekuku le gakpo si mexɔ dzo o ƒe pɔmpi ƒe nutunuwo ŋu .
Woate ŋu azã Auger Electron Spectroscopy (AES) kple X-ray spectroscopy (SPs) ƒe mɔnuwo siaa atsɔ adzro gakpo si mexɔ dzo o ƒe anyigba dzi atsɔ anya alesi gakpo si mexɔ dzo o ƒe pɔmpi ƒe nugbɔwo ƒe ememe kple gotatɔwo te ŋu nɔa te ɖe xɔxlɔ̃ nu. AES mɔnu ƒe numekuku ƒe didime le sue ŋutɔ, si ate ŋu anye 20nm, eye eƒe akpa gbãtɔe nye be wòade vovototo nu veviwo dome. XPS mɔnu ƒe numekuku anɔ abe 10μm ene, si sɔ na nusiwo le anyigba ƒe akpa siwo te ɖe wo nɔewo ŋu ƒe organic chemical me kɔklɔ.
Wozãa AES kple XPS detektɔwo tsɔ wɔa scanner la le anyigba ƒe go dzi eye wotsɔa gakpo si mexɔ dzo o ƒe agba 316 siwo wotsɔ ƒo ɖe yame la ɖa. Woƒo nya ta be gogloƒe si bɔ wu le anyigba ƒe gogloƒe ƒe numekuku le gakpo si mexɔ dzo o ƒe pɔmpi ŋue nye 15nm, eye woɖe passivation treatment layer si sɔ la fia. Nuwɔwɔ, eƒe titrime kple eƒe ŋutete be wòatsi dzodzodzoe, kple bubuawo.
Le gɔmesesea nu la, chromium kple nickel sɔ gbɔ ɖe gakpo si me sɔ gbɔ le o me, eye molybdenum (abe 316L00cr17ni14mo2), titanium, kple bubuawo le ɖewo me, eye zi geɖe la, 10.5% chromium, si ƒe corrosion resistance nyo. Tsitretsitsi ƒe tsitretsitsi Abe chromium-rich passivation layer ƒe beléle na wo ene la, passivation layer la ƒe titrime nye 3-5nm zi geɖe, alo eƒe titrime abe molecule 15 ene. Wowɔa passivation layer le ya ƒe oxidation-reduction reaction ƒe dɔwɔwɔ bliboa me, si me wotsɔa ya ƒoa chromium kple iron me. Ne passivation layer gblẽ la, woawɔ passivation layer yeye kaba alo woawɔ galvanic cell ƒe gɔmeɖose enumake. Ga si mexɔ dzo o ƒe agbawo akpɔ crevice corrosion deep kple stress corrosion. Passivation layer ƒe xɔxlɔ̃ ƒe tsitretsitsi do ƒome kple tsi si le akpa siwo le gakpo si mexɔ dzo o me. Le kpɔɖeŋu me, chromium si sɔ gbɔ, nickel, kple molybdenum ate ŋu ana vovototo si le passivation layer ƒe kadodoŋusẽ kple passivation layer ƒe xɔxlɔ̃ ƒe tsitretsitsi ŋu nadzi ɖe edzi. Eku ɖe alesi wowɔa ga ƒe akpa siwo le gakpo siwo mexɔ dzo o ƒe pɔmpiwo me kple tsiŋusẽwo zazã hã ŋu.
2. Anyigba ƒe ʋuʋu ƒe nɔnɔme si le gakpo si mexɔ dzo o ƒe pɔmpi ƒe nutunuwo ŋu .
1. Passivation treatment layer si le gakpo si mexɔ dzo o ƒe anyigba dzi le nusi me CI le me la tsrɔ̃ le bɔbɔe ŋutɔ, le CI-Air ƒe oxidation ŋutete gã ta. Ga la koe wotsɔ ƒoa ƒu ɖe passivation layer la ƒe akpa si wota la ŋu ɣesiaɣi. Le go geɖe me la, passivation layer la tsrɔ̃na le passivation area of ??The Stainless Steel ƒe akpa dzi ko. Dɔ si nuŋɔŋlɔa ƒe nuŋɔŋlɔ wɔna la nɔ te ɖe do nyuiwo alo do nyuiwo dzidzi dzi. Woyɔa nɔnɔmetata sue si le abe do ene si womekaka ɖe nu xoxoa dzi edziedzi o la be crevice corrosion. Crevice ƒe xɔxlɔ̃ ƒe agbɔsɔsɔ dzina ɖe edzi ne dzoxɔxɔ le dzidzim ɖe edzi eye wòdzina ɖe edzi ne eƒe ƒuƒoƒo le dzidzim ɖe edzi. Egbɔkpɔnuae nye be woazã ultra-low carbon alo low-carbon stainless steel (abe lita 316 lita 304 ene)
2. Le Austenitic gakpo si mexɔ dzo o wɔwɔ kple eƒe ƒoƒo me la, nu gblẽna bɔbɔe le gakpo si mexɔ dzo o la ƒe anyime. Ne dzoxɔxɔ ƒe dzoxɔxɔ kple dzoxɔxɔ ƒe duƒuƒu le ewɔwɔ kple welding me le gakpo si mexɔ dzo o ƒe dzoxɔxɔ ƒe dzoxɔxɔ ƒe didime (anɔ abe 425-815°C ene) la, carbon si me tsi sɔ gbɔ ɖo wu le nusi wotsɔ wɔe me la tsia tre ɖe kristalo nuku ƒe liƒo ŋu eye wòwɔa ɖeka kple chromium tsɔ wɔa chromium CRC R2-3C 6 . Le nɔnɔme sia me la, carbon ƒe kaka ƒe agbɔsɔsɔme le austenite me lolo wu chromium tɔ, eye chromium mate ŋu axe chromium si bu le chromium carbide ƒe wɔwɔ le kristalo nuku ƒe liƒo dzi ta o. Esia wɔe be chromium ƒe agbɔsɔsɔ si le kristalo nuku ƒe liƒo me dzina ɖe edzi kple chromium carbide me dzodzro eye wòɖea edzi ne eva do go etch nusiwo le abe ci- le nusi wotsɔ wɔe me, ana batri si woate ŋu agbugbɔ axɔ la ƒe xɔxlɔ̃. Nusiwo xɔa dzoe nye kristalo nukuawo ƒe anyime ko, si gena ɖe eme kabakaba be wòazu dome gbegblẽwo dome xɔdzo. Ga si mexɔ dzo o ŋutɔ ƒe pɔmpiwo dzena wu le elektrik-kaƒoƒo me.
3. Nuteɖeamedzi ƒe xɔxlɔ̃ ƒe gbagbãwo: Enye ŋusẽkpɔɖeamedzi blibo si le static data ground stress kple erosion si nana be gbagbãwo kple ga nuawo le ƒoƒom. Zi geɖe la, dzɔdzɔmenu si hea nuteɖeamedzi ƒe xɔxlɔ̃ ƒe gbagbã kple tsɔtsrɔ̃ vɛ la sesẽna ŋutɔ. Menye tensile ground stress koe wònye o, ke boŋ anyigba ƒe nuteɖeamedzi kple ememe nuteɖeamedzi si tsoa wɔwɔ, elektrik-welding alo quenching kple tempering le ganuwo me hã.
3. Kadodo si le ememe kple egodo ga ƒe anyigba dzi atikewɔwɔ kple xɔxlɔ̃ ƒe tsitretsitsi ɖe gakpo si mexɔ dzo o ƒe pɔmpi ƒe nutunuwo ŋu dome .
Ga si mexɔ dzo o ƒe pɔmpi ƒe nutunuwo ƒe ememe kple egodo ƒe ƒuƒoƒo (abe atikewo ƒe ʋuʋu, nutunu kple wo tsɔtsɔ ƒu gbe ene) ƒe passivation treatment layers nyo ŋutɔ, siwo ƒe corrosion resistance nu sẽ. Ememe kple egodo ƒe akpa siwo le anyigba dzi la le gbadzaa ŋutɔ, eye nu ʋɛ aɖewo koe nɔa wo ŋu, si ɖea vi na tsitretsitsi ɖe xɔxlɔ̃ ŋu. Zi alesi tsi si le tsia me si ƒe anyigba ƒe ƒuƒuiƒe kɔkɔ la megale mɔ̃a me o la, zi nenemae wònyo na dzadzɛnyenye, vevietɔ le atikewɔƒewo.
1. Electrolytic grinding (electrochemical grinding) of the inner surface of the tube: Electrolytic grinding fluid nye phosphoric acid, sulfuric acid, anhydrous chromic acid, gelatin, potassium dichromate, kple tsi si le eme la nye anodzed, eye wòagbɔ eme be woatsɔ ano ʋeʋe si le eme la ayi ŋgɔe, eye wotsɔa tsi si le eme la toa eme. Le ɣeyiɣi sia me la, mɔ̃a ƒe gota gome le dɔ blibo eve siwo to vovo la wɔm, si nye be woatrɔ asi le gakpo si mexɔ dzo o si nye passivation passivation layer (si me mucosa si le ʋeʋẽm hã le) ŋu eye wòaƒu. Esia le alea elabena dzidzenu si dzi woato awɔ gaŋutiɖoɖowo kple do siwo le anyigba ƒe gota gome la ƒe demulsification kple passivation la to vovo, eye anodic oxidation melts. Le nɔnɔme vovovo siwo li na film wɔwɔ kple passivation le anyigba dzi nusuekpɔmɔ̃ convex kple concave akpawo, kple anode ƒe ʋeʋẽ ta la, ga dze ƒe agbɔsɔsɔ le anode ƒe akpa dzi yi edzi le dzidzim ɖe edzi, si wɔe be mucosa si te ŋu nɔa te ɖe enu ŋutɔ le anyigba dzi. Vovototo si le film la ƒe titrime le convex kple concave akpawo me hea anodized surface layer ƒe fifia ƒe sesẽme gã vɛ, electrostatic induction melting kabakaba wu, eye le ɣeyiɣi kpui aɖe me la, ewu taɖodzinu si nye be woatsɔ gotagome ganyawo ƒe akpa si dze ƒã la aɖo anyigba, eye ate ŋu agbɔ smoothness ra≤0.2-0.4μm ŋu. Eye le ŋusẽkpɔɖeamedzi sia ƒomevi te la, wodzia chromium tsi si le pɔmpia ƒe anyime ɖe edzi, eye wowɔa anti-corrosion ŋutete si le stainless steel passivation passivation treatment layer la ŋudɔ nyuie wu.
Alesi woase egɔmee la, ele be alesi wòle be woawɔe nyuie la nado ƒome kple lithium batri ƒe elektrikŋusẽ ƒe nuɖaɖa ɣaɣla, agbɔsɔsɔ, dzoxɔxɔ, ɣeyiɣi ƒe didime, elektrikŋusẽ ƒe sesẽme, elektrikŋusẽ ƒe seƒe, kple tube metal ƒe anyigba ƒe dɔwɔwɔ ƒe seƒe. Mɔ̃ɖaŋununya sia ƒe aɖaŋudzedze agblẽ nu le pɔmpia ƒe akpa si le gbadzaa ŋu ŋutɔŋutɔ. Ne electrolysis mɔnu la le gbadzaa akpa la, ke anyigba siwo le ƒoƒom kple esiwo le ƒoƒom la sɔ gbɔ, eye ele be mɔ̃ ɖesiaɖe gɔ̃ hã naxɔ fe gbogbo aɖe. Ele be nɔnɔme ŋutɔŋutɔ nanye mɔ̃ɖaŋununya eye ga si woatsɔ awɔe la sɔ gbɔ ŋutɔ.
2. Tube la ƒe gota gome nu ƒoƒo kple etutu: nutunu kple ʋuʋudedi kple fli siwo sɔ kple wo nɔewo. Le afisia la, ne èxɔa mɔ̃ si wotsɔna ƒoa nu abe kpɔɖeŋu ene la, mɔ̃ɖaŋunu siwo wotsɔna ƒoa nu la le bɔbɔe ŋutɔ, ŋusẽ kple nutunu ƒe diskwo kple nutunu deŋgɔwo le bɔbɔe ŋutɔ, ŋusẽ kple nutunu ƒe diskwo, kple nutunu deŋgɔwo. Woklɔa avɔ ƒe disk kple avɔ disc si wotsɔ ke nyui siwo wotsɔ ƒo ƒui la ŋu kɔna ɖe eme yia ŋgɔ kple megbe le pɔmpia ƒe ememe kple egodo dzi zi geɖe, eye eƒe nuwuwu ate ŋu aɖo RA ≤ 0.2-0.4μ m .
Ne wotsɔe sɔ kple electrolytic grinding la, wozãa mɔ̃wo ƒe ƒoƒo le afisiafi le eƒe dɔwɔnu bɔbɔewo, mɔ̃ɖaŋununya ƒe agbɔsɔsɔ si le bɔbɔe, asiléle bɔbɔe, ga si wozãna ɖe mɔ̃a ŋu si bɔbɔ, kple nusiwo gblẽ le mɔ̃a ŋu aɖeke o ta. Gake alesi agbalẽtamɔ̃a ƒe akpa si le anyigba dzi ƒe xɔxlɔ̃ te ŋu nɔa te ɖe enu la nyo wu elektrikŋusẽ ƒe ʋuʋu.
Nusi gblẽ le mɔ̃ si me vuvɔ le la ƒe nɔnɔme sesẽe nye nɔnɔme sesẽ, si fia be nukuwo ƒe ŋeŋe ƒe dzesi la lolo ŋutɔ, eye mesɔ na dzobibi kple ebɔbɔ o. Ne míagblɔe tututu la, meɖo dukɔa ƒe dɔwɔƒe ƒe dzidzenu gbɔ o, eyata ele be woawɔ thermosolidification (nutsitsi).
3. Gas-takpɔkpɔ keklẽ annealing dzodoƒe: nye akpa eve: keklẽ annealing dzodoƒe ŋutilã kple blibo ƒuƒoƒo amonia gbegblẽ dɔwɔnuwo.
Dzodoƒe si le keklẽm: Nu vevitɔ si le xɔa me la nyea cross-section muffle tank si ƒe nɔnɔme le abe asigɛ ene, kple dzoxɔxɔmɔnu si me dzoxɔxɔ ƒe ka siwo ƒe dzoxɔxɔ de ŋgɔ le siwo woɖo ɖe akpa eveawo kple ete ƒe nuwuwu. Wozãa gas si me ammonia le abe beléle na dzoxɔxɔ kple tsifamɔ̃ si wotsɔna ƒoa tsii si le tsatsam ene. Mehiã be woatsɔ pɔmpi siwo wotsɔ de dzoxɔxɔnutsitike sia me la aƒoe ahatsɔ passiva awɔ wo o, si wɔnɛ be woƒe akpa siwo le eme kple esiwo le egodo la nɔa bɔbɔe eye woƒoa asa na pɔmpia ƒe anyigba si wotsɔ pickling hena vɛ la ƒe sɔsɔ vie. Esi wònye be womewɔa nu ɖe ɖoɖo nu vie o ta la, ana pɔmpia naɖiɖi wu nutome dzadzɛnyenye ƒe pɔmpiwo ƒe gowo ƒe gowo dzi nɔnɔ ƒe nɔnɔmewo. Eyata tia yamenutome si akpɔ ame ta si le keklẽm. Hangao Tech ƒe . Nunyala Takpɔnu Gas Bright Solution Dzodoƒe . Ekpɔa wò nuhiahiãwo gbɔ bliboe, menye ɖeko ya megena ɖe eme o, ke boŋ dɔwɔwɔ nyuie kple ŋusẽzazã nyuie hã le esi. Ne wotsɔe sɔ kple dɔwɔnu ƒomevi ma ke la, ate ŋu adzra ŋusẽ si wozãna ƒe 20%-30% ɖo.
