1. Dab tsi yog qhov tseeb tau txhais los ntawm lub sij hawm "Monel Tig 400 Phaj," thiab Yuav ua li cas nws cov lus tshwj xeeb txawv ntawm tus qauv ATM B127 monel 400 phaj?
Lo lus "monel tig 400 phaj" tsis yog ib qho kev ua lag luam ittm uas tau qhia txog cov roj Tungsten arc vuam (gtaw lossis tig) txheej txheem. Nws yog hais txog monel 400 (tsis yog N04400) phaj uas tau sib ntsib, feem ntau yuav tsum muaj qhov tseem ceeb, tsis muaj tub lim hlau (tsis muaj cov muab tub lim hlau) lossis cov khoom siv tawv tawv.
Cov ntsiab lus txawv ntawm cov qauv ATM B127 Phaj:
Thaum lub B127 phaj muaj pov thawj rau chemistry thiab cov kws kho tshuab, "Tig tau zoo" phaj imposes stricter tswj ntawm qhov uas cuam tshuam ncaj qha weldability:
Txhim kho nto zoo: Cov nplaim yog nqus tau thiab ntau yam kev hnav khaub ncaws, feem ntau nrog lub zeb - polished tiav. Nws yog kev pub dawb ntawm nplai, pits, nqaws, thiab cov cim yob uas tuaj yeem qhia cov impurities rau hauv cov pas dej vwj weld.
Kev Tshuaj Txhuam Hnav Li Qub: Cov Ntxhis Kev Kub Ntxov For instance, low levels of residual elements like Sulfur (S) and Phosphorus (P) are critical, as they can form low-melting-point phases that cause hot cracking during solidification.
Lav txoj kev ywj pheej los ntawm cov kab mob tsis huv: kev txhawj xeeb thawj yog qhov tsis muaj cov dej paug saum npoo av, tshwj xeeb tshaj yog cov hlau uas siv thaum lub sijhawm dov lossis tuav. Nyob rau hauv ib tug tig weld, uas muaj dej huv thiab kua dej ua kom huv thiab muaj peev xwm tsim tau qhov cuam tshuam rau Galvanic perrosion hauv kev pabcuam. "Tige zoo" phaj feem ntau yog veriroxyl kev kuaj kom muaj kev paug dawb.
Hauv cov ntsiab lus, "Monel Tig 400" yog tus hwm tshaj plaws ntawm B127 uas lub Mill txoj kev lees paub zoo, zoo ib yam, thiab huv si substrate rau cov kev thov vuam vuam.
2. Nyob rau hauv siab {{- Purity Industries thiab kev ua kom huv si, vim li cas thiaj huv si thiab huv si yog qhov ua tiav tau teev tseg?
Hauv cov lag luam no, cov khoom (tshuaj (tshuaj, tshuaj lom neeg, lossis cov khoom siv cua nab) muaj qhov muaj txiaj ntsig zoo thiab muaj kev nkag siab zoo rau kev paug. Cov khoom sib txawv sab hauv ntawm cov khoom siv txheej txheem tsis yog ntim ib lub thawv; Nws yog ib qho kev tiv thaiv tseem ceeb uas yuav tsum tsis txhob sib cuam tshuam nrog cov txheej txheem.
Kev txaus siab ntawm nto tas thiab huv:
Tiv thaiv cov khoom paug: ntxhib lossis paug tawm hauv thaj chaw tuaj yeem nres cov microbes, cov nplais, thiab cov tshuaj uas tseem muaj khoom noj. Kev ntxhib ib ce (siab RA tus nqi) tau microscopic peaks thiab hav uas muaj cov kab mob muaj peev xwm ua kom tsis muaj menyuam. Embedded hlau hais yuav xeb, qhia cov kev sib kis.
Xyaum ua kom huv thiab kom tsis muaj menyuam: cov khoom siv tau ntxuav thiab sterilized nyob rau hauv qhov chaw (CIP / SCIP) uas siv tshuaj lom neeg thiab chav. Ib tug du, tsis {{{1} porous, polished nto tso cai rau cov neeg sawv cev kom dawb thiab yaug tag nrho, tawm tsis muaj cov seem. Nws tiv thaiv kev tawm tsam ntawm kev ntxuav kua uas tuaj yeem tom qab tsis tuaj yeem ua kom cov khoom lag luam.
Tiv thaiv kev xeb -} pittic tsis ua hauj lwm: txawm tias me pitting los yog crevice corrosion tuaj yeem tso cov hlau- purity txheej txheem kwj. Ntau dua, nws tuaj yeem dhau los ua ib qho kev pib xaib rau dhau los ntawm-} Cov ntaub ntawv tsis ua haujlwm thiab tsis muaj txiaj ntsig.
Feem ntau tau sau ua tiav:
# 4 Ua tiav (txhuam / Satin): kev sib txawv, kev qhia ua tiav tsim los ntawm polishing cov nyom abrasives. Nws muaj kev sib npaug zoo ntawm kev muaj txiaj ntsig thiab zoo nkauj. Nws tau teev los ntawm nws cov roj roughness nruab nrab (RA) tus nqi, piv txwv li RA <0.8 μin) lossis zoo dua.
# 7 Xaus (High Luster): Lub fffred tiav uas yog reflective tab sis kuj tseem tuaj yeem muaj cov kab zoo heev los ntawm thawj theem.
# 8 Ua tiav (daim iav): Qhov ua tau zoo tshaj plaws): Qhov tau pom meej meej ua tiav, nrog tsis pom cov kab uas tsis pom, muab ib qho ze - zoo tshaj plaws reflective nto. Qhov no muaj tus nqi RA qis tshaj plaws (piv txwv li, <0.3 μm / 12 μS) thiab qib siab tshaj plaws ntawm kev huv thiab corrosion tsis kam.
Electropolished: Thaum cov txheej txheem kho tshuab, electropolishing yog feem ntau yog kauj ruam kawg. Nws microses smoothes saum npoo los ntawm kev tshem ib txheej ntawm cov hlau, ntxiv txo tus nqi RA thiab ib txhij txhawb cov Oxide txheej rau kev ua kom zoo dua corrosion.
3. Dab tsi yog qhov kev sib tw tseem ceeb thaum ua tau autogenous Yaj welding (man pattre
Autogenous Tig Vuam yog xaiv rau nws cov kev nyiam huv thiab rau kev zam dhau kev qhia ntawm ob alloy anemistry. Txawm li cas los xij, nws nthuav tawm cov kev nyuaj tshwj xeeb nrog monel 400.
Thawj cov nyom:
Kev tswj lub siab kub thiab cov kev tswj kev nkag siab tsis zoo: Lub pas dej weld Qhov no ua rau nws nyuaj los tswj kev nkag mus thiab tuaj yeem ua rau cov teeb meem xws li "nqus}} rov qab {{4 4}} hauv paus velds.
Kev ua tau zoo heev rau qhov kub tawg: lub npib tsib xee - tooj liab alloy yog raug rau kev sib tsoo, tshwj xeeb tshaj yog hauv kev tuav pob qij txha. Qhov tsis muaj cov tubtias txhais tau tias tsis muaj ib qho kev sib ntxiv rau cov qauv sib txuas lossis "Diluties" impurities, ua rau weld hlau ntau nkag siab rau lub hauv paus hlau.
Weld porcosity: lub pas dej ua kua yog qhov ua rau muaj cov roj paug xws li roj, noo, noo noo, noo noo ntawm lub phaj lossis sab nraub qaum ntawm Weld.
Qhov tseem ceeb vuam cov txheej txheem rau lub suab sib koom ua suab:
Kev npaj ua ke sib koom ua ke ua ke ua ke: Qhov no tsis - sib yeem. Qhov sib koom tes yuav tsum tau huv si nrog tus kav hlau ua kom huv nrog cov hlau uas muaj mob siab luam tawm thiab tom qab ntawd degrased nrog cov kuab tshuaj zoo li acetone tam sim ntawd ua ntej vuam.
Ntsia kom rov qab ntxuav tawm: rau kev sib koom tes uas tsis tau rov qab, sab nraub qaum yuav tsum tau ntxuav nrog qhov siab {{huv} kev huv huv Argon. Qhov no tiv thaiv oxidation ntawm lub hauv paus dhau, uas pom tias yog qhov tsaus ntuj, nyoo, thiab cabration loj. Kev ua kom zoo yog tshwm sim hauv ci iab, nyiaj paus nyiaj hauv paus.
Nruj haum -} thiab sib koom tes tsim: tab sis cov pob qij txha yuav tsum muaj qhov sib dhos, kev hnav khaub ncaws nruj. Rau cov tuab tuab, cov zab square uas muaj cov nkauj me ntsis lossis me ntsis} bevel yog qhov ua kom tsawg dua rau veadize lub ntim ntawm weld hlau thiab cuam tshuam shrinkage kev ntxhov siab.
Txhim kho tshav kub kub tswj hwm:
Siv kev kub ntxhov siab pib tiv thaiv tungsten tsis huv.
Siv tus pulsing tam sim no yog tias muaj. Pulsing pab tswj lub pas dej ua kua, tso cai rau cov weld kom txias me ntsis ntawm cov pulses, thiab txo cov lus tawm tag nrho, txo cov nyom kev loj hlob.
Tswj txoj kev taug kev nrawm nrawm kom txo lub sijhawm cov hlau nyob hauv lub xeev molten.
Xaiv lub tshuab hluav taws xob thiab cov pa roj: Siv 2% theriated lossis lub laj kab mob hlwb lossis lub siab tawv rau lub ntsiab lus. Siv 100% kev thaiv cov roj sib ceg nrog ib qho tau ntxiv ntawm Helium rau kev nkag tob tob rau ntu tuab.
4. Rau cov neeg soj ntsuam zoo, yam kev ntsuam xyuas thiab kev pov thawj tau ua rau cov zaub mov xa tuaj ntawm "Tig 400" uas tau dhau los ntawm cov qauv khoom siv cov qauv khoom siv?
Soj ntsuam "Tig tau zoo" phaj yuav tsum muaj kev tsom mus rau cov cwj pwm uas txhais tau qhov xwm txheej hwm.
1. Cov ntaub ntawv pov thawj zoo:
Kev kuaj pom nyob rau hauv cov teeb pom kev zoo: lub phaj tau kuaj xyuas qhov tsis pom kev zoo li khawb, pits, thiab cov menyuam cim, thiab suav nrog. Qhov ua tiav (piv txwv li, # 4) piv rau cov qauv coj los ua qauv.
Ferroxyl xeem rau cov tshuaj tiv thaiv hlau: qhov no yog qhov ntsuas tseem ceeb. Ib qho kev daws ntawm cov poov tshuaj ferrissyigide yog thov rau saum npoo. Yog tias muaj ib qho hlau dawb qhia yog tam sim no, lawv yuav tawm tsam los ua tus pom xiav xiav (prussian xiav). Ib lub phaj tsis ua tiav qhov kev kuaj no yuav tsum tau tso tseg lossis rov {- passivated thiab re-} polished.
2. Qhov seem thiab tiaj tus pov thawj:
"Tig tau zoo" daim hlau rau fab tseem ceeb feem ntau muaj kev ua kom nruj kev ua kom nruj dua li cov qauv tsim qauv. Qhov no yog tshuaj xyuas nrog cov ntawv ncaj thiab muaj kev pom zoo.
3. Daim ntawv pov thawj thiab theem pib:
Txheeb xyuas tias MTTR muaj ib daim ntawv pov thawj lossis ntawv pov thawj hais tias "Tig tau zoo" lossis "hwm weld zoo."
Xyuas kom cov cua sov yog cim kom pom tseeb ntawm cov phaj nws tus kheej lossis nws cov ntawv cim rau tag nrho cov traceability.
4. Kev xaiv / cov kev xeem ntxiv rau cov ntawv tseem ceeb:
Kev txheeb xyuas cov khoom siv tau zoo (PMI): Siv tus lej XRF los xyuas cov alloy chemistry ntawm alloy {}}}}} thiab tsis sib xyaw- Up.
Kev ntsuas dav (RA) Kev Ntsuas: Siv cov txiaj ntsig kom muaj txiaj ntsig kom muaj txiaj ntsig RA tus nqi ua tau raws li kev yuav cov kev yuav khoom tshwj xeeb.
5. Hauv tsev marine architecture thiab cov khoom kim heev ntawm Monel Tigricties xws li tso tsheb hlau luam, khoom tso tsheb hlau luam, thiab kev tso pa dej,?
Nyob rau hauv cov siab siab - tus nqi, xoom {- Txheem ua ke ntawm kev thiav, ua tau zoo, thiab kev ua kom zoo nkauj.
Roj thiab tso tsheb hlau luam dej:
Corrosion Kuj: Nws yog tus tsis muaj zog rau kev ntxhov siab corrosion thiab tiv taus pitting hauv dej hiav txwv thiab dej tshiab. Qhov no yog qhov tseem ceeb rau kev tso tsheb hlau luam, qhov twg tsis muaj kev puas tsuaj. Nws tseem tiv taus microbial cuam tshuam corrosion (mic) zoo dua li ntau cov hlau tsis muaj ntau.
Ntev - Txoj Kev Ncaj Ncees: Tsis muaj ib coated steel, nws tsis tas yuav muaj ob sab phlu uas tuaj yeem ua rau roj thiab dej huv si rau xyoo.
Qhov kev tso tsheb hlau luam "TIG zoo" tso cai rau kev tso tsheb hlau luam nrog kev ua kom zoo nkauj, cov khoom lag luam txuas ntxiv uas yog cov tshuaj pleev niam txiv.
Kev tso pa tawm (Ntub Ntav):
Kuj: cov tub rog tso tawm tsam nrog kev sib xyaw ua ke ntawm kev kub siab, Acidic condensates (los ntawm cov leej faj hauv roj), thiab dej qab ntsev. Monel 400 tswj nws lub zog thiab tiv taus kev tawm tsam los ntawm sulfuric thiab sulfurous acids deb dua li 316L.
Yaig -} corrosion resistance: qhov kev tshaj tawm siab ntawm kev tso pa roj teeb thiab dej tuaj yeem yog cov khoom siv. Monel 400 lub classness thiab corrosion kuj pub nws tiv thaiv cov chaw uas xav tau ntau qhov chaw uas stainless hlau feem ntau yog qhov thiab tsis ua tiav.
Tag nrho cov haum rau cov ntawv thov khoom kim heev:
Kev ua kom zoo nkauj: lub peev xwm los polished rau ib qho kev ruaj khov, ci ntsa iab # 8 daim iav tiav rau cov khoom siv pom nyob hauv ib puag ncig marine.
Lub neej {{0 - Tus nqi pib yog qhov ua tau zoo dua, nws cov khoom lag luam zoo tshaj plaws ua rau lub neej zoo tshaj plaws, qhov chaw qhuav} docking lub sij hawm yog kim heev.
