1. Dab tsi yog qhov tseem ceeb txawv ntawm Nickel 201 (tsis muaj N02201) thiab ntau tshaj li N02200), thiab vim li cas n02200), thiab vim li cas n02200), thiab vim li cas n02200), thiab vim li cas n02200), thiab vim li cas n02200), thiab vim li cas n02200), thiab vim li cas nicke |
Qhov kev sib txawv ntawm Nickel 201 (tsis yog N02201) thiab Nickel 200 (tsis yog N02200) nyob hauv lawv cov ntsiab lus carbon. Thaum ob qho tib si yog kev ua lag luam ua rau muaj cov hmoov av tsis huv (99.6% yam tsawg kawg nkaus NI), Nickel 201 yog tshwj xeeb yog cov ntsiab lus muaj roj carbon ntau ntawm 0.02% siab tshaj plaws. Hauv kev sib piv, Nickel 200 muaj cov ntsiab lus carbon ntau ntawm 0.15%.
Qhov kev txawv txawv no tsis yog ib qho kev lom neeg nuarance; Nws yog qhov txhais tau rau high - kev pab kub. Thaum Nickel 200 yog nthuav tawm txog qhov kub ntawm 430℃rau 815 Qib F) rau lub sijhawm ntev, cov pa roj hmab nyob rau hauv nws theem matrix precipitates tawm rau cov graphite. Daim duab no tshwm sim raws cov ciaj ciam teb, ua rau kev sib tw, ploj ntawm kev pheej hmoo, thiab ib qho tseem ceeb ntawm kev tawg hauv qab lossis kev ntxhov siab.
Rau ib lub phaj polished, qhov no tseem ceeb heev. Ib qho polished nto feem ntau yuav tsum tau rau cov laj thawj ua haujlwm (piv txwv li, yooj yim ntawm kev ntxuav, khoom siv) lossis kev ua kom zoo nkauj. Graphitizitizitizitizitizitizitization yuav tsis tsuas yog qhov kev ntseeg siab ntawm lub phaj tab sis yuav tseem ua rau pom cov npoo polished ua tiav, ua rau nws ua kom tawv thiab fromiable.
Yog li ntawd, Nickel 201 yog qhov kev xaiv tsis sib xws rau ib daim ntawv thov polished uas yuav pom kev pabcuam thaum nce qhov kub. Nws cov pa roj carbon qis ua rau muaj kev tiv thaiv kab mob graphitization, kom ua rau lub phaj khaws cia ob qho tib si nws cov khoom siv kho tshuab thiab nws lub pristine nto ua tiav lub sijhawm. Qhov no ua rau Nickel 201 polished phaj tseem ceeb rau cov khoom siv hauv kev ua lag luam siv tshuaj lom neeg ua haujlwm, thiab cov khoom siv hluav taws xob uas thermal stability yog qhov pib.
2. Dab tsi yog tus nqi tshwj xeeb ua "polished" ua tiav ntxiv rau Nickel 201, thiab ua tiav qhov ua tiav tau zoo li cas?
Lub "polished" ua tiav ntawm lub npib tsib xee 201 tsis yog ua kom hniav zoo nkauj xwb; Nws muab qhov tseem ceeb tseem ceeb ua haujlwm thiab cov txiaj ntsig kev ua tau zoo uas tseem ceeb hauv kev xav tau kev lag luam.
Ua haum tus nqi ntawm polished tiav:
Kev nyiam huv thiab huv: ib qho du, polished nto nrog tus nqi qis (roughness nruab nrab) tus nqi muaj tsawg heev peaks thiab hav. Qhov no tiv thaiv kev nkag ntawm cov kab mob, microbes, cov khoom seem, thiab paug. Nws tso cai rau nrawm, ua tau zoo, thiab ua kom huv si thiab tsis muaj menyuam, uas tsis yog tshuaj, thiab ua zaub mov noj.
Cov khoom tso tawm: Hauv cov khoom lag luam polymer lossis cov zaub mov zoo heev, cov khoom siv polymer heev, kom muaj kev cia siab kom yooj yim rau kev ntxuav.
Corrosion Kuj: Thaum Nickel 201 nws tus kheej yog heev corrosion - tsis kam, ib qho chaw polished, ib qho chaw polished ntxiv ntxiv rau cov cuab yeej no ntxiv. Nto tsis txaus ntseeg, sib tsoo cim, lossis roughness tuaj yeem ua raws li cov chaw pib rau pittingiation. Lub tiav polished tshem tawm cov ntsiab lus uas tsis muaj zog, muab cov kev sib dhos ntau dua thiab muaj kev sib tw.
Txo cov kev sib txhuam thiab hnav: rau qhov uas muaj kev sib chwv nrog kev sib chwv lossis cov khoom siv xim av, minimizes ntau tiam los ntawm kev ua paug.
Muaj Polishing Txheej Txheem:
Ua tiav qhov tseeb polished ua tiav ntawm ib lub phaj yog ntau -}} kauj ruam tshuab, feem ntau dhau los ntawm cov abrasives:
Pib txheej txheem kev npaj: lub phaj thawj undergoes anegealing thiab pickling kom tshem tawm mill nplai, ua rau hauv npub, matte tiav.
Kev sib tsoo: lub phaj yog av siv cov pob zeb cais lossis lub log kom tshem tawm cov kev ua tsis zoo ntawm lub ntsej muag thiab ua tiav qib siab ntawm cov tiaj tiaj.
Polishing / Buffing: Qhov no yog ntau -} theem txheej txheem. Nws pib nrog coine polishing kom tshem tawm cov cim sib tsoo, ua raws li cov kauj ruam zuj zus uas siv cov pob zeb loj zuj zus (piv txwv li ntawm 8020 grit lossis finer). Rau ib daim iav {{{{} zoo li ua tiav, cov kauj ruam kawg koom nrog cov ntaub mos muag thiab cov hmoov nplej zoo nkauj heev.
Kev tu thiab ua ke: Tom qab polishing, lub phaj yog kom huv si kom tshem tawm txhua qhov chaw tsis muaj abrasive. Kev kho mob dhau los (feem ntau nrog nitric acid) yuav siv tau los txhim kho cov ntuj passive txheej rau ntawm npib tsib xee.
Qhov kawg ua tiav yog feem ntau tau teev los ntawm tus neeg siv khoom siv cov qauv kev tsim qauv (piv txwv li}}} {{{{€ <0.8 μm, ra <0.4 μm).
3. Nyob rau hauv uas tshwj xeeb siab {1} Cov nuj nqis muaj nuj nqis yog npib tsib xee 201 polished phaj cov ntawv thov uas nyiam, thiab dab tsi yog cov ntawv thov raug?
Nickel 201 polished phaj yog cov ntaub ntawv hwm tau xaiv rau cov ntawv thov uas cov txheej txheem ntawm qhov chaw siab tsis muaj zog, lossis qhov kawg purity.
Kev Lag Luam Kev Lag Luam (CPI):
Cov Ntawv Thov: Reactor Linings, Distillation Blend Internal, Cov Phiaj Tshav Kub Kub, thiab Causic Evaporator seem.
Kev sib zog: kev tiv thaiv zoo heev rau caustic alkalis alkalis alkalis alkalis (piv txwv li sodium hydroxide) ntawm cov siab thiab kub. Lub ntsej muag polished tiv thaiv cov khoom lag luam tsim-}} tu thaum cov khoom lag luam hloov mus rau cov duab ntev kom ntev li ntev.
Kws Tshuaj thiab Biotechnology:
Daim ntaub ntawv: Cov ntsiav tshuaj tawm, ntsiav tshuaj nias Tooling, hoppers, thiab hloov kev chinese rau cov khoom xyaw tshuaj muaj zog (APIs).
Kev ntsuas: Qhov tsis - reasive, tsis {{{{4} {{4} {{4} {}} Nws yog qhov tshwj xeeb siv nyob rau hauv cov txheej txheem uas muaj cov neeg sawv cev muaj zog alkaline.
Ua Zaub Mov Ua Noj:
Cov ntawv thov: Cheebtsam rau cov roj fatty acid ua, alkaline tu tshuab, thiab khoom siv tuav qee yam khoom noj khoom haus thiab cov ntsev organic.
Rationale: tsis kam rau corrosion los ntawm fatty acids thiab organic tebchaw. Lub tiav polished ua kom muaj txiaj ntsig cov khoom huv thiab tso cai rau kev ua huv.
Cov khoom siv hluav taws xob thiab semiconductor raug:
Cov ntawv thov: Wafer kev ua tiav conngtures, sputtering lub hom phiaj rov qab daim hlau, thiab cov khoom siv rau cov tshuaj vapor deposition (CVD) chav.
Kev Ncaj Ncees: Cov Hluav Taws Xob Loj, Hluav Taws Xob Zoo Tshaj Plaws thiab Thermal ua haujlwm, thiab tsis - sib yuav properties. Lub ntsej muag polished minimizes cov particle rau hauv ultra -}}} chaw huv.
Aerospace thiab defense:
Cov ntawv thov: Cheebtsam rau cov lus qhia thiab lwm yam ntawm cov hluav taws xob hauv hluav taws xob.
Rationale: qhov tsis - sib nqus khoom yog qhov tseem ceeb. Lub tiav polished tej zaum yuav tau teev rau meej meej mating cov chaw lossis rau cov laj thawj zoo nkauj hauv cov khoom siv pom.
4. Dab tsi yog qhov tseem ceeb ntawm kev sib tw sib tw thaum ua haujlwm nrog polished tsib xee 201 phaj, tshwj xeeb tshaj yog hais txog vuam thiab tuav?
Fabricating nrog polished phaj qhia cov kev sib tw tseem ceeb tshaj li cov khoom siv ua haujlwm nrog cov ntaub ntawv ua tiav, feem ntau hauv paus rau khaws cia qhov tseem ceeb.
Kev sib tw 1: Kev tiv thaiv saum npoo thaum lub sijhawm fabrication.
Qhov Teeb Meem: Cov saum npoo polished yog kev khawb, thiab kos cov cuab yeej txawv teb chaws (los ntawm cov cuab yeej txawv teb chaws), uas tuaj yeem kho nws lub luag haujlwm thiab kev ua kom zoo nkauj.
Cov kev coj ua zoo tshaj plaws:
Kev tuav txoj kev: Siv cov ntaub ntawv huv si, mos thiab ua kom cov chaw ua haujlwm tau them nrog cov khoom tiv thaiv.
Machining: Yog tias machining yog yuav tsum tau tom qab polishing, nws yuav tsum ua nrog kev saib xyuas heev. Ib qho kev kho mob ib ntus yuav tsum tau ua los ntawm tsis yog- cov ntaub ntawv ferrous (piv txwv li dig muag) lossis padded los tiv thaiv cov ntawv nkas thiab hlau sib kis.
Npav: Siv tshwj xeeb tshwj xeeb, tsis yog - cov yeeb yaj kiab hlau lossis cov yeeb yaj kiab ib ntus tsim rau cov pob zeb tsis sib xws thiab cov nickel. Tsis txhob siv cov qauv hlau txheem.
Kev sib tw 2: vuam tsis muaj kev sib cuam tshuam tiav.
Qhov teeb meem: Vuam tsim ib lub cua sov -} bein cuam tshuam cheeb tsam (tsoo lub ntsej muag, rhuav tshem cov npoo ib ncig ntawm Weld.
Cov kev coj ua zoo tshaj plaws:
Tus Qauv Siv Ob Leeg: Cov pob qij txha sib xyaw los tso cai rau kev siv vuam los ntawm sab nraub qaum lossis hauv thaj chaw uas ua tiav zaum kawg yog tsawg dua.
Weld thaub qab: Siv cov ris tsho tiv thaiv cov tapes lossis pastes ntawm cov chaw uas muaj nyob ib sab los ntawm cov ntaub thaiv npog thiab arc strikes.
Tshaj tawm - Weld xov: Qhov kev sib tw tshaj plaws yog los ua Weld thiab tom qab ntawd hauv zos re- pick. Qhov no yuav tsum muaj cov kws tshaj lij sib xyaw ua ke nruab nrab kho thaj chaw uas yog sib khi nrog cov thawj polished nto. Cov tswv yim zoo li hluav taws xob hluav taws xob kuj tseem siv tau rau kev hnav khaub ncaws ua tiav.
Kev sib tw 3: Kev nyuaj siab nyem distortion.
Qhov teeb meem: Yog tias txoj kev ua raws li fab khulication induces kev ntxhov siab tseem ceeb (ua rau nws tsis tuaj yeem ua kom lub siab txias), ua tsis tau nws lub siab txias tuaj yeem ua rau muaj lub siab txias.
Qhov zoo tshaj plaws kev xyaum: cov kab ntsig zoo yuav tsum tau tsim los txo cov haujlwm txias. Thaum tsim nyog, siv kub {{{{{{1} Kev tsim cov txuj ci sib haum nrog npib tsib lub zog.
5. Los ntawm cov lus qhia zoo, yam specifications thiab kev tshuaj xyuas yog qhov tseem ceeb rau Nickel 201 polished phaj tshaj li cov ntawv xeem zeb ntsuas?
Kev lees paub zoo rau cov khoom lag luam zoo li Nickel 201 polished phaj yuav tsum tau kuaj cov txheej txheem pov thawj uas mus deb dhau ntawm cov qauv tshuaj lom neeg thiab cov ntawv pov thawj.
Cov qauv txheem thiab cov mob yuav tsum hais kom meej Astm B162 rau phaj, thiab sawb, thiab cov alloy untre tsis yog n02201. Tus mob yuav tsum tau teev tseg raws li annealed kom ntseeg tau Optimal corrosion tsis kam thiab muaj peev xwm.
Nto tiav specification: qhov no yog qhov tseem ceeb. Nws yuav tsum tau txhais tau tias quantatively thiab zoo:
Quantitative: Qhia kom meej txog qhov nruab nrab ntawm qhov nruab nrab (RA) tus nqi, piv txwv li, "RA tsawg dua lossis sib npaug rau 0.4 μm." Rau daim iav tiav, tus nqi ntawm "ra tsawg dua lossis sib npaug rau 0.25 μm" lossis qis dua.
Cov qauv zoo: Siv tus qauv ua tiav, xws li "tsis muaj {{{}}} Daim iav ua kom tiav," lossis muab cov piv txwv ntawm lub cev raws li kev lees paub.
Kev Ntsuam Xyuas Pom: Txhua lub phaj yuav tsum yauv mus 100% pom kev tshuaj xyuas hauv cov teeb pom kev zoo. Qhov saum npoo yuav tsum tsis muaj qhov tsis xws luag xws li:
Khawb, pits, thiab txiv kab ntxwv - pev cov nyhuv.
Sib tsoo lossis polishing cim.
Discoloration thiab cov tints sov.
Embedded txawv teb chaws (tshwj xeeb tshaj yog hlau).
Ferrous Kev Kuaj Kab Mob: Kev ntsuas qhov tseem ceeb rau cov chaw polished yog ferroxyl xeem. Qhov kev sim no tau kuaj cov hlau dawb hais rau saum npoo. Ib qho huv, passivated npib tsib xee nyob yuav tsis hnov mob, tab sis muaj thaj chaw tsis huv yuav tig mus xiav. Kev hla dhau yog qhov yuav tsum tau ua.
Qhov ntev thiab cov tiaj tiaj nciab puas kam rau: pov thawj qhov tseeb, qhov ntev, thiab, ntse, nyob hauv kev ua siab ntev. Tej yam kev ua yeeb yaj kiab yuav tsis tsim nyog rau ib lub phaj npaj rau kev ua kom meej.
Passivation Daim Ntawv Cog Lus: Tus xa khoom yuav tsum lees tias lub phaj tau dhau los ua qhov kev kho mob passuslivation zaum kawg ntawm cov npoo polished.
Los ntawm kev tswj hwm cov kev sib tw nruj no, qhov kawg {{0} Tus kws siv lub phaj uas muaj tseeb, tswj hwm ob qho tib si kev ntseeg siab thiab nws siab- Kev ua haujlwm saum npoo.
