Raws li ib qho tseem ceeb muaj hlau,npib tsib xee rodplays lub luag haujlwm tsis tuaj yeem hloov pauv hauv ntau qhov chaw tseem ceeb ua tsaug rau nws cov kev tiv thaiv corrosion zoo heev, siab - kub lub zog, thiab cov khoom tshwj xeeb electromagnetic.
I. Kev lag luam tshuaj
Nickel rods ua lub luag haujlwm tseem ceeb hauv kev tsim cov khoom siv tshuaj lom neeg thiab tshwj xeeb tshaj yog haum rau qhov chaw muaj corrosive heev.
Cov khoom siv alkali ntau lawm: Ntshiab nickel rods tuaj yeem ntseeg tau muaj zog alkali corrosion thiab siv los tsim cov kav dej, li qub, thiab cov hlab ntsha.
Corrosion-cov khoom tiv thaiv: Hauv cov chaw xws li sulfuric acid towers thiab ammonia yees, npib tsib xee-raws li alloys tuaj yeem txuas cov cuab yeej siv tau ntau dua 30%.
II. Aerospace thiab Energy Sectors
High -Tsuas Cheebtsam: Nickel-raws li siab- kub alloys yog siv los tsim turbine hniav, foob pob ua ntxaij cav nozzles, thiab lwm yam khoom uas muaj peev xwm ua kom ruaj khov ntawm qhov kub siab tshaj 500 degree.
Kev Lag Luam Nuclear: Nickel alloy tuav yog siv rau hauv cov khoom tseem ceeb ntawm cov tshuab hluav taws xob nuclear, muab ob qho tib si hluav taws xob tiv thaiv thiab corrosion tsis kam.
III. Electronics thiab roj teeb Technology
Cov roj teeb hluav taws xob tshiab: Siab- cov khoom siv nickel cathode txhim kho lub zog ntom ntom ntawm lithium- ion roj teeb; automakers xws li Tesla saib qhov no yog ib qho tseem ceeb ntawm kev siv technology.
IV. Machinery Manufacturing thiab cov cuab yeej tshwj xeeb
Hnav- Cov Khoom Siv Tau: Cov khoom siv kho tshuab xws li cov bearings thiab cov iav siv qhov hnav tsis kam ntawm nickel rods.
Cov Khoom Siv Kho Mob thiab Kho Mob: Lub biocompatibility ntawm nickel alloys ua rau lawv haum rau cov cuab yeej phais thiab cog.
V. Lwm Cov Teb Chaws Tshiab
Hydrogen Fuel Cells: Nickel ua haujlwm pab txhawb nqa, pab txhawb kev loj hlob ntawm lub zog huv.
Sib sib zog nqus-Hiav txwv Engineering: Nickel-raws li alloys yog siv nyob rau hauv siab-resistant hulls thiab anti- coatings coatings.
Kev txheeb xyuas cov yam ntxwv tseem ceeb
Kev tiv thaiv corrosion zoo heev, tshwj xeeb tshaj yog tiv thaiv alkalis: Qhov no yog qhov zoo tshaj plaws ntawm cov npib tsib xee. Nws nthuav tawm qhov tshwj xeeb tiv thaiv rau caustic alkalis (xws li sodium hydroxide thiab potassium hydroxide), txawm tias nyob rau hauv qhov kub thiab txias, siab concentrations, los yog nyob rau hauv lub xeev molten, ua rau nws yog ib qho zoo tagnrho cov khoom siv los tuav kub, concentrated alkaline daws. Nws kuj yog resistant rau corrosion los ntawm qhuav halogen gases, nruab nrab ntsev daws, thiab feem ntau cov organic acids. Nws yuav tsum raug sau tseg, txawm li cas los xij, nws pom tias nws muaj qhov tsis zoo corrosion kuj nyob rau hauv muaj zog oxidizing acids (xws li nitric acid) thiab nyob rau hauv moist halogen ib puag ncig.
Qhov zoo ntawm lub cev thiab cov cuab yeej cuab tam:
Lub cev muaj zog: Ntshiab npib tsib xee muaj qhov ntom ntom ntawm kwv yees li 8.89 g / cm³ thiab melting point ntawm kwv yees li 1435-1446 degree. Nws yog ferromagnetic (nrog Curie kub ntawm kwv yees li 360 degree) thiab nthuav tawm cov hluav taws xob zoo thiab thermal conductivity.
Mechanical Properties: Hauv lub xeev annealed, lub zog tensile ntawm ntshiab npib tsib xee pas nrig feem ntau yog li ntawm 345 mus rau 550 MPa, nrog ib tug elongation ntawm 35-55%, ua qauv zoo heev plasticity thiab toughness, uas pab txhawb kev ua tom qab.
Cov Khoom Siv Zoo Tshaj Plaws thiab Vuam Tshuab: Cov npib tsib xee ntshiab muaj cov yas siab thiab ductility, ua rau nws tsim nyog rau kev ua haujlwm txias thiab kub xws li forging, dov, kos duab, thiab kos duab sib sib zog nqus. Tsis tas li ntawd, nws tuaj yeem welded siv ntau txoj hauv kev, suav nrog TIG welding thiab tsis kam vuam, thiab nthuav dav weldability zoo. Txawm li cas los xij, machining yog qhov nyuaj vim nws nyiam "lo rau lub cuab yeej" thiab ua haujlwm hnyav, yuav tsum tau siv cov cuab yeej txiav tshwj xeeb thiab cov txheej txheem txias.
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