1. Dab tsi yog cov yam ntxwv tseem ceeb ntawm cov ntawv npib tsib xee ntshiab uas ua rau nws tseem ceeb rau cov roj teeb pob terminals thiab siab - cov khoom siv tshuaj lom neeg?
Ntshiab npib tsib xee daim ntawv thiab phaj (feem ntau UNS N02200 lossis qis-carbon N02201) yog cov ntaub ntawv tseem ceeb hauv kev tsim khoom siab heev vim muaj kev sib xyaw tshwj xeeb ntawm cov khoom uas nyuaj nrhiav tau hauv lwm cov hlau.
Rau cov ntawv thov roj teeb pob:
Kev Siv Hluav Taws Xob Zoo Tshaj Plaws: Nickel muaj qhov sib npaug ntawm cov hluav taws xob zoo thiab lub zog txhua yam. Qhov no tso cai rau nws kom tau txais txiaj ntsig zoo thiab thauj cov khoom siv hluav taws xob siab los ntawm cov roj teeb hauv lub cev thaum ua haujlwm ua haujlwm zoo hauv lub roj teeb module, tsis zoo li cov neeg siv hluav taws xob ntau dua li tooj liab.
Superior Weldability: Nickel tuaj yeem yooj yim thiab ntseeg tau welded rau nws tus kheej thiab rau lwm cov tshuaj ntawm tes (xws li cov tabs ntawm lithium- ion hlwb) siv laser vuam, ultrasonic vuam, los yog welding kuj. Qhov no ua rau qis -tsis kam, siab- kev sib koom ua ke tseem ceeb rau kev nyab xeeb thiab kev ua haujlwm.
Corrosion Resistance: Nws tsim cov txheej txheem tiv thaiv oxide uas tiv thaiv oxidation thiab corrosion los ntawm ambient cua thiab me electrolyte to, ua kom ntev - lub sij hawm davhlau ya nyob twg stability thiab tiv thaiv hluav taws xob ntau zog nyob rau lub sij hawm.
Rau Chemical Equipment:
Qhov zoo tshaj plaws Corrosion Resistance: Qhov no yog npib tsib xee qhov tseem ceeb hauv kev ua tshuaj lom neeg. Nws nthuav tawm tshwj xeeb tsis kam rau cov alkalies (piv txwv li, sodium thiab potassium hydroxide) thoob plaws tag nrho cov concentrations thiab kub, txawm mus txog rau lub xeev molten. Nws kuj tiv taus nruab nrab thiab alkaline ntsev daws thiab ntau yam organic tebchaw.
Tsawg Contamination & High Purity: Nickel Ntshiab tsis yog - paug, ua rau nws zoo tagnrho rau kev ua cov tshuaj siab tshaj -purity chemicals, tshuaj, thiab khoom noj khoom haus uas tsis muaj hlau ion leaching.
Fabrication Versatility: Nickel daim ntawv thiab phaj tuaj yeem tsim tau yooj yim, xuas nrig ntaus, thiab welded rau hauv cov hlab ntsha, cov tso tsheb hlau luam, cov khoom siv hluav taws xob sib hloov, thiab cov hauv ob sab phlu, muab cov neeg tsim qauv yooj yim.
2. Thaum nrhiav "tus nqi luv nqi" cov ntawv npib tsib xee ntshiab, dab tsi tseem ceeb ntawm kev ua tau zoo thiab cov ntawv pov thawj txaus ntshai yuav tsum tus neeg yuav khoom yuav tsum paub txog kom tsis txhob raug nqi ntau?
Txawm hais tias tus nqi qis yog qhov txaus nyiam, kev nrhiav "qhib" cov ntawv ntshiab nickel muaj kev pheej hmoo tseem ceeb uas tuaj yeem ua rau muaj kev puas tsuaj rau cov khoom lag luam, kev poob qis, thiab kev nyab xeeb. Kev mob siab rau yog qhov tseem ceeb.
Cov kev pheej hmoo tseem ceeb thiab kev txheeb xyuas cov kauj ruam:
Kev hloov cov khoom siv thiab tsis raug:
Kev pheej hmoo: Daim ntawv yuav tsis yog npib tsib xee dawb tab sis pheej yig dua lwm yam xws li npib tsib xee-plated steel, 200-series stainless hlau (uas muaj qee cov npib tsib xee), lossis cov hlau tsis sib xws. Qhov no yog ib qho kev pheej hmoo loj heev rau cov khoom siv roj teeb, vim cov hlau plated yuav muaj hluav taws xob tsis zoo thiab corrode sai, tsim kom muaj qhov kub.
Mitigation: Hais rau Daim Ntawv Qhia Txog Cov Khoom Siv (MTR) los ntawm cov zeb lossis cov txheej txheem lees paub. MTR yuav tsum tau lees paub cov khoom raws li ASTM B162 (Standard Specification rau Nickel Phaj, Sheet, thiab Sawb) rau UNS N02200 / N02201. Rau siab- daim ntawv thov kev pheej hmoo, ua kev ywj pheej X-ray fluorescence (XRF) tsom xam los xyuas qhov muaj pes tsawg leeg.
Inconsistent Mechanical Properties:
Kev pheej hmoo: Cov khoom siv luv nqi yuav tsis muaj cov txheej txheem zeb zoo (kub dov, txias dov, annealing), ua rau tsis sib xws hardness (temper), yield zog, thiab ductility. Qhov no tuaj yeem ua rau tawg thaum lub sij hawm tsim (piv txwv li, thaum khoov busbars) lossis ua tsis tiav ntxov ntxov.
Kev txo qis: MTR yuav tsum suav nrog cov khoom siv xws li tensile zog thiab elongation. Rau kev ua haujlwm tseem ceeb, txiav txim cov khoom siv nrog lub sijhawm teev tseg (xws li Annealed, Quarter-Hard).
Poor Surface Quality:
Kev pheej hmoo: Kev ua kom tsis zoo ntawm qhov chaw nrog cov pits, suav nrog, lossis oxides tuaj yeem txo qis kev ua haujlwm. Hauv cov roj teeb, ib qho ntxhib saum npoo ua rau muaj kev sib cuag thiab tuaj yeem cuam tshuam kev vuam. Hauv cov khoom siv tshuaj, qhov tsis xws luag yog qhov chaw pib rau corrosive nres.
Kev txo qis: Txhais qhov yuav tsum tau ua tiav hauv qhov kev txiav txim yuav khoom (piv txwv li, Tsis yog. 1 Tiav - txias- dov, annealed, thiab pickled nto). Ua ib qho kev kuaj pom thaum tau txais.
Dimensional Non-Conformance:
Kev pheej hmoo: Cov thickness tsis raug (gauge) tuaj yeem cuam tshuam cov roj teeb uas siv tau los ua ke thiab cuam tshuam rau tam sim no - nqa lub peev xwm. Rau cov hlab ntsha tshuaj, nws cuam tshuam qhov ntsuas siab thiab kev ua haujlwm zoo.
Kev txo qis: Qhia kom meej qhov ntev ntawm qhov ntev thiab qhov chaw - xyuas qhov tuab nrog lub ntsuas ntsuas micrometer.
Ib qho "qis" uas tsis muaj kev taug qab kom raug thiab ntawv pov thawj tsis muaj luv nqi txhua. Tus nqi ntawm lub roj teeb rov qab los yog cov khoom siv hluav taws xob xau deb tshaj qhov pib txuag ntawm cov khoom siv raw.
3. Rau lithium-Ion roj teeb pob, vim li cas nickel ntshiab yog qhov kev xaiv zoo tshaj plaws rau busbars thiab terminals dua lwm yam xws li tooj liab lossis txhuas?
Kev xaiv cov npib tsib xee dawb huv rau busbars thiab terminals yog kev ua tib zoo saib xyuas kev tsim kho uas ua kom zoo tshaj qhov kev coj ua, kev tsim khoom, cov khoom siv kho tshuab, thiab tus nqi.
vs. tooj:
Conductivity: tooj liab muaj kwv yees li 60% siab dua conductivity dua npib tsib xee. Txawm li cas los xij, npib tsib xee ntshiab muaj qhov ua tau zoo txaus rau feem ntau cov ntawv thov busbar thaum muab cov txiaj ntsig txiav txim siab:
Mechanical Strength: Nickel muaj zog thiab nruj dua li tooj liab. Lub nickel busbar tuaj yeem tuav nws cov duab thiab muab kev txhawb nqa zoo dua nyob rau hauv lub roj teeb module yam tsis muaj tuab tuab.
Weldability: Nickel yog qhov yooj yim heev rau weld rau nws tus kheej thiab rau cov xov tooj ntawm tes (uas feem ntau yog txhuas lossis npib tsib xee-plated steel) dua li tooj liab. Copper yuav tsum tau siv ntau dua thiab kim txheej txheem vuam (xws li cov kab hluav taws xob hluav taws xob) thiab nws yooj yim rau kev tsim cov nkig intermetallic thaum welded rau txhuas.
Corrosion Resistance: Nickel's oxide yog conductive, thaum tooj liab oxide yog heev resistive. Ib qho corroded tooj liab kev twb kev txuas yuav muaj kev txaus ntshai nce nyob rau hauv kuj thiab kub.
vs Aluminium:
Conductivity & Strength: Txhuas muaj conductivity zoo dua npib tsib xee tab sis yog mos heev thiab muaj zog yield tsawg. Nws tuaj yeem nkag (deform mus tas li) nyob rau hauv lub siab tas li ntawm kev sib txuas bolted, ua rau lub davhlau ya nyob twg xoob thiab siab -tsis kam, kev sib txuas txaus ntshai.
Weldability: Thaum txhuas tuaj yeem welded, nws yuav tsum muaj cov txheej txheem tshwj xeeb thiab muaj kev cuam tshuam rau oxidation thaum lub sijhawm ua haujlwm. Nickel welding muaj zog dua thiab zam txim.
Kev Tiv Thaiv Kev Tiv Thaiv: Aluminium ua ib qho nyuaj, tsis yog -cov txheej txheem oxide tam sim ntawd. Txhua qhov kev sib txuas hluav taws xob yuav tsum tau tsim los ua kom tawg los ntawm cov oxide no, feem ntau xav tau kev sib cuag tshwj xeeb pastes thiab siab - siab fixtures. Nickel's conductive oxide ua rau muaj kev ruaj khov thiab txhim khu kev qha.
Hauv cov ntsiab lus, nickel raug xaiv tsis yog qhov zoo tshaj plaws hauv ib pawg, tab sis yog qhov zoo tshaj plaws txhua yam - rounder uas ua kom muaj kev nyab xeeb, txhim khu kev qha, thiab cov khoom siv roj teeb.
4. Dab tsi yog cov lus qhia tseem ceeb rau kev vuam thiab tsim cov ntawv ntshiab nickel hauv kev tsim cov khoom siv tshuaj lom neeg?
Fabricating cov cuab yeej siv tshuaj los ntawm cov nickel ntshiab yuav tsum muaj cov tswv yim tshwj xeeb los khaws nws cov kev tiv thaiv corrosion thiab tsis txhob tawg.
Vuam Cov Lus Qhia:
Txheej Txheem Xaiv: Gas Tungsten Arc Vuam (GTAW/TIG) yog txoj kev nyiam. Nws muaj kev tswj zoo heev thiab ua kom huv, siab -purity weld.
Kev Npaj Ua Ntej: Ua tib zoo ntxuav qhov chaw sib koom ua ke. Txhua yam kab mob- roj, roj, xim, thiab cov ntawv cim npe - yuav tsum tau muab tshem tawm. Txhua yam embedded hlau los ntawm steel tooling (xws li, hlau txhuam) tuaj yeem xeb thiab tsim qhov chaw pitting.
Filler Hlau: Siv cov hlau sib txuam, feem ntau ERNi-1, kom muaj kev tiv thaiv corrosion ntawm thaj tsam weld.
Shielding: Kev tiv thaiv roj zoo heev yog qhov tseem ceeb. Siv siab -purity argon rau ob qho tib si lub teeb thiab kev tshem tawm thaub qab ntawm lub nraub qaum los tiv thaiv oxidation ntawm lub pas dej molten weld thiab hauv paus.
Thaum tshav kub kub input: Siv cov txheej txheem stringer hlaws nrog nruab nrab kub input. Tsis txhob siv ntau dhau, vim tias npib tsib xee muaj cov thermal conductivity tsawg, uas tuaj yeem ua rau cov cua sov thiab cov qoob loo loj hlob, uas tuaj yeem txo qhov kev tiv thaiv corrosion.
Cov Txheej Txheem Ua Haujlwm:
Tus account rau Springback: Nickel muaj tus nqi siab dua ntawm springback dua li cov hlau. Tshaj - khoov cov khoom kom ua tiav lub kaum sab xis kawg uas xav tau.
Generous Bend Radii: Siv khoov radii uas loj npaum li sai tau. Qhov tsawg kawg nkaus khoov vojvoog ntawm 2 mus rau 3 npaug ntawm daim ntawv tuab yog pom zoo kom tsis txhob tawg.
Tooling Cleanliness: Xyuas kom txhua txoj kev tuag, yob, thiab nias nres kom huv si thiab tsis muaj hlau los yog lwm yam kab mob los tiv thaiv embedding cov khoom txawv teb chaws rau hauv cov mos npib tsib xee.
Annealing rau Severe Forming: Rau kev ua haujlwm nyuaj lossis kev ua haujlwm hnyav, cov npib tsib xee yuav tsum tau nyob rau hauv ib qho kev sib txhuam (mos). Yog tias cov khoom ua haujlwm - hardens thaum lub sij hawm tus txheej txheem, yuav tsum muaj ib qho kev sib txuas nruab nrab ntawm cov txheej txheem annealing.
5. Yuav ua li cas tus neeg yuav khoom lag luam "qis nqi" daim ntawv ntshiab nickel yam tsis muaj kev cuam tshuam rau cov khoom zoo uas yuav tsum tau muaj rau kev ua tau zoo?
Ua kom tau tus nqi- tus nqi zoo thaum ua kom zoo yog qhov teeb meem ntawm kev nrhiav tswv yim, tsis yog nrhiav tus muag khoom pheej yig tshaj. Nov yog cov tswv yim tseem ceeb:
Txhais Cov Lus Cog Tseg Precisely: Tsim ib daim ntawv qhia ntxaws ntxaws rau koj daim ntawv xaj yuav khoom. Qhia meej rau UNS tus lej (N02200 lossis N02201), ASTM tus qauv (B162), kub hnyiab, nto tiav, thickness kam rau ua, thiab qhov yuav tsum tau ua rau Daim Ntawv Qhia Txog Cov Khoom Siv (MTR). Qhov no tshem tawm qhov tsis meej pem thiab tiv thaiv cov neeg xa khoom los ntawm kev muab cov khoom lag luam sub- qauv.
Xav txog "Tsis yog-Prime" lossis "Mill Overrun" nrog Kev Tshawb Fawb: Cov chaw pabcuam hlau muaj npe nrov feem ntau muag khoom "tsis yog-prime". Qhov no tsis txhais hais tias muaj kev puas tsuaj; nws tuaj yeem dhau - xaj kom muaj nuj nqis, cov khoom siv nrog cov tshuaj pleev ib ce me me, lossis tawm - qhov txiav loj me uas haum rau koj cov kev xav tau. Qhov tseem ceeb yog kom hais rau MTR txawm tias tsis yog - thawj zaug thiab tshuaj xyuas cov khoom thaum tau txais kom paub tseeb tias qhov tsis haum rau koj daim ntawv thov.
Leverage Volume thiab Standard Sizes: Muab koj cov kev xav tau los tso cov ntim loj dua. Mills thiab cov chaw muag khoom loj muab tus nqi zoo dua rau tag nrho cov coils lossis cov qauv - cov ntawv loj. Tsim koj cov khoom nyob ib ncig ntawm daim ntawv loj loj tuaj yeem txo cov khoom pov tseg thiab nqi.
Tsim Kev Sib Raug Zoo nrog Cov Chaw Pabcuam Tshwj Xeeb: Hloov chaw cov khoom lag luam, koom tes nrog cov chaw pabcuam hlau uas tshwj xeeb hauv npib tsib xee thiab siab -kev ua tau zoo alloys. Lawv nkag siab txog cov kev xav tau, tuaj yeem muab cov lus qhia tshwj xeeb, thiab lawv cov "khoom txo qis" feem ntau yuav nyob rau hauv cov ntaub ntawv pov thawj, traceable.
Tag Nrho Cov Tswv Cuab (TCO) Kev Ntsuam Xyuas: Ua kev txiav txim siab kev yuav khoom raws li TCO, tsis yog nqi tsev xwb. Factor hauv cov nqi ntawm:
Kev tsis lees paub thiab khib nyiab: Tus nqi ntawm cov khoom siv tsis raug txwv koj cov kab ntau lawm.
Rework: Tus nqi zog los kho cov teeb meem los ntawm cov ntawv tsis zoo -.
Cov khoom lag luam tsis ua tiav: Tus nqi puas tsuaj ntawm lub roj teeb pob hluav taws lossis cov tshuaj xau.
Ib tug me ntsis siab dua - nqi, tag nrho cov ntaub ntawv pov thawj los ntawm lub reputable qhov chaw yuav luag ib txwm muaj ib tug qis TCO tshaj ib tug uncertified "qis" xaiv.
