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216 Cov Khoom Siv Uas Tiv Thaiv Kev Kub Siab LridescentTrivalent Zinc Passivation
cov lus piav qhia txog cov khoom
▪ Cov zaj duab xis passivation uas tsim los ntawm 216 ua rau muaj kev ruaj khov zoo heev, tiv taus qhov kub txog li 200 ° C yam tsis muaj kev puas tsuaj. Cov cuab yeej no ua kom cov txheej txheem tseem zoo thiab ua haujlwm txawm tias nyob rau hauv qhov chaw kub siab, ua rau nws tsim nyog rau cov khoom siv cav, cov pa tawm, thiab lwm yam khoom siv cua sov. Cov txheej txheem yog tus neeg siv-phooj ywg thiab yooj yim, tsuas yog xav tau kev nkag mus rau hauv 216 cov tshuaj kom tsim tau ib zaj duab xis ci, sib xws, thiab zoo nkauj.
▪ Zaj yeeb yaj kiab uas 216 tsim tawm yog tus cwj pwm los ntawm nws cov xim ci ntsa iab thiab ntau yam, suav nrog cov xim daj, xiav, ntshav, thiab liab. Qhov kev hloov pauv no tso cai rau kev hloov kho kom tau raws li cov kev xav tau tshwj xeeb lossis kev tsim hom. Cov kev daws teeb meem no sib xws nrog ntau yam txheej txheem zinc plating, suav nrog cyanide zinc plating, alkaline zinc plating, thiab acid zinc plating, ua kom ntseeg tau tias siv tau dav thoob plaws ntau qhov chaw tsim khoom.
▪ Ntxiv rau nws qhov zoo nkauj, zaj duab xis 216 passivation muab kev tiv thaiv xeb zoo dua, txhim kho kev nplaum rau cov txheej tom ntej, thiab ua kom tawv ntawm qhov chaw. Nws kuj tseem zoo rau ib puag ncig, vim nws tshem tawm kev siv hexavalent chromium, ua raws li cov cai thoob ntiaj teb thiab cov hom phiaj kev ruaj khov. Cov txheej txheem ua haujlwm tau zoo heev, nrog lub sijhawm kho sai thiab tsawg kawg nkaus ntawm cov khib nyiab, ua rau nws haum rau ob qho tib si batch thiab cov kab ntau lawm tas mus li.
▪ Zuag qhia tag nrho, 216 sawv cev rau kev daws teeb meem tshiab tshaj plaws rau kev ua tiav cov yeeb yaj kiab passivation zoo, ruaj khov, thiab pom tseeb ntawm cov khoom siv zinc-coated. Nws ua ke ntawm kev ua tau zoo tshaj plaws, yooj yim rau kev ua haujlwm, thiab kev ua raws li ib puag ncig ua rau nws yog qhov kev xaiv zoo rau cov lag luam uas tab tom nrhiav kev txhim kho ob qho tib si kev ua haujlwm thiab kev zoo nkauj ntawm lawv cov khoom.