Q1: Nanoporous Tus Qauv Tsim: Mechanism ntawm Sulfuric Acid Anodizing
180-200 g / l hso₄ electrolyte ntawm 18-22℃nrog 12-18 v dc rau 30-60 feeb.
Pore Pib: Teb {{{0} Pab cov kev tshem tawm ntawm high- nkhaus chaw.
Self -}}}}} cov khoom ua haujlwm tshaj plaws ua haujlwm nrog 15% porosity.
Teeb meem txheej txheej txheej txheej tuab: 1 nm rau volt (piv txwv li, 15nm ntawm 15v).
Sealing hauv cov dej npau npau hloov siab hloov kho Al₂o₃ rau Boehmite (Alooh).
Q2: Chromate - Kev hloov xim zoo tshaj plaws: kev hloov pauv cov roj ntsha chromium hloov chaw
ZR / Ti {{- Ua Ntej Cov Txheej Txheem Tso Nyiaj Nrog 50-300nm zaj duab xis ntawm fluorozirthate ua kom muaj.
Cerium nitrate passivation cov foos CEO₂ Nanoparticles ntawm cov chaw cathhodic.
Boeing D6-17487P cov qauv pom zoo SURTEC 650 rau cov qauv txheej txheem.
Hexavalent chromium ban: ncav cuag Annex Xiv Kev Siv Txoj Kev Pab Them Nqi tom qab 2024.
Kev Ua Haujlwm Benchmark: 336H ntsev txau tsis kam yam tsis muaj blisting.
Q3: PEO (Plasma Electrolytic oxidation): Ceramic Txheej rau cov magnesium-}}} Txhij Txhuas Composites
400 {-} 600v ac pulses hauv silicated-electrolyte procolate 50μm al₂o₃ txheej.
α-Al₂O₃ content >60% provides 1,500 HV hardness and >200kolik · cm resistivity.
Kev Siv Cov Khoom Siv Automotive: Tesla nres calipers wroungers wrounter 800℃thermal poob siab.
Kev Siv Zog: 0.3 kWh / m² / μm vs . 0.15 rau cov pa anodizing.
Aerospace Cov Qauv Txheej Txheem: Ams 2469C rau hnav - illive lub qhov siab.
Q4: Organic Txheej Txheem: Electrocot thiab Hmoov Txheej Adhesion Mechanisms
Cathodic Electrodep lug ntawm 250V cov ntaub ntawv 20μm epoxy -} based zaj duab xis.
Pretreatment: Zinc phosphate conversion coating enhances adhesion >8MPA.
Polyester - Tgic Hmoov Txheej Ci Tshuaj Kho ntawm 180 Degree nrog 60% Cov Nqi Rov Ua Haujlwm.
Cov huab cua nrawm: 3,000H QUV kis cov tshuaj ntsuam cov xim ua haujlwm ΔE<2.
Apple cov khoom siv kev cai anodizing ua ke nrog cov fluoropololymer.
Q5: Corrosion Cov Qauv Kev Sim: Txoj Kev Ntsuas Xyuas nrawm
ASTM B117 ntsev tsuag: 5% Nacl ntawm 35℃ntsuas cov sau ntawv crepeage.
Cyclic Corrosion: GM95400P sib txuas ntsev tsuag, av noo, thiab kom qhuav.
EIS (Electrochemical impedance spectroscopy) kom muaj nuj nqis coating kev mob siab.
Filiformal corrosion Kev Tshuaj Ntsuam: DIN thiab 3665 RAU COV NTAUB NTAWV KHOOS.
ISO 9227 qeb mastmaasis simulates marine -}} kev lag luam ib puag ncig.
