Muaj peb txoj hauv kev uas feem ntau siv rau kev kho ua ntej ntawm hluav taws xob cua sov raj electroplating:
Tso lus
Muaj peb txoj hauv kev uas feem ntau siv rau kev kho ua ntej ntawm hluav taws xob cua sov raj electroplating:
(1) Cov txheej txheem siv tshuab siv cov cuab yeej siv tshuab los zom thiab tshem tawm qhov tsis xws luag ntawm qhov chaw ntawm cov khoom, xws li burrs, oxide tawv, vuam residue, thiab lwm yam. Cov txheej txheem muaj xws li kev sib tsoo, polishing, dov, sandblasting, thiab lwm yam.
(2) Cov txheej txheem tshuaj tso siab rau cov tshuaj ua kom tshem tawm cov roj stains lossis oxides. Piv txwv li, degreasing nyob rau hauv alkaline los yog organic solvents, yaig nyob rau hauv acidic daws, thiab lwm yam.
(3) Electrochemical txoj kev siv cov txheej txheem electrochemical los txhim kho cov txheej txheem ntawm cov roj chemical tshem tawm thiab yaig. Qee zaum kuj siv rau kev yaig tsis muaj zog.
Kev siv txoj kev sib xyaw electroplating, ntxiv cov khoom nrog qhov loj ntawm {{{0}}} rau cov tshuaj nickel plating μ Ni Cu composite txheej tau npaj siv tooj liab hais nrog cov nplej loj ntawm 52nm. Cov teebmeem ntawm cathode tam sim no ceev, pH thiab kub ntawm cov plating tov, nplawm ceev, tooj liab particle cov ntsiab lus, thiab nickel ion concentration ntawm eutectoid tooj ntawm tooj liab hais nyob rau hauv lub Ni Cu composite txheej raug soj ntsuam. Cov txiaj ntsig tau pom tias qhov zoo tshaj plaws plating tov muaj pes tsawg leeg thiab cov txheej txheem tsis muaj raws li nram no: npib tsib xee sulfate heptahydrate 250-300g/L, nickel chloride hexahydrate 30-60g/L, boric acid 35-40g/L , sodium dodecyl sulfate {{10}} 05-0.1g/L, pH 3.5-4.0, kub 55-60 degree, cathode tam sim no ceev {{12 }}A/dm2, nplawm ceev 500-600r/min, tooj liab hmoov loj concentration 8-9g/L; Cov txheej yog tuab thiab kev faib tawm ntawm cov khoom tooj liab sib xws; Qhov loj feem ntawm tooj liab nyob rau hauv Ni Cu composite txheej yog li ntawm 5 feem pua mus rau 30 feem pua, thiab nws cov microhardness HV0.2 yog li ntawm 450 txog 750, uas nce nrog qhov nce ntawm tooj liab cov ntsiab lus nyob rau hauv cov txheej txheem, muaj ib tug siab hardness yam ntxwv.
Composite electroplating yog hais txog txoj kev siv electroplating rau deposit hlau ua ke nrog inorganic hais, organic hais, los yog hlau hais los ua ib tug composite txheej. Nrog kev sib xyaw electroplating, ntau cov txheej txheej nrog cov haujlwm tshwj xeeb tuaj yeem tau txais, xws li hnav-tiv taus coatings, high-temperature resistant coatings, hnav txo coatings, hnav-resistant self-lubricating coatings, high-temperature hnav-resistant coatings, high-temperature Self-lubricating coatings, corrosion resistant coatings, dispersion strengthening coatings, tshwj xeeb hniav xim coatings, thiab lwm yam. Lawv muaj broad daim ntawv thov kev cia siab nyob rau hauv lub machinery kev lag luam, aviation kev lag luam, tsheb kev lag luam, hluav taws xob kev lag luam thiab chaw lag luam, muaj peev xwm lis tej xwm txheej uas ib leeg hlau coatings thiab alloy coatings tsis haum.
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