Ua ntej peb tuaj yeem tham txog cov kev kho mob, nws yog ib qho tseem ceeb kom nkag siab tias passivation ua haujlwm li cas.
Ib qib chromium oxide nyias muab cov yam ntxwv stain thiab corrosion kuj uas stainless hlau paub. Cov txheej txheem no tsim thaum lub npoo ntawm cov hlau raug cov pa oxygen. Txawm li cas los xij, yog tias qhov chaw ntawm cov hlau yog qias neeg lossis puas, qhov no tuaj yeem cuam tshuam lub ntuj tsim ntawm oxide txheej.
Thaum cov kev kho mob passivation pab txhawb kev tsim ntuj tsim ntawm cov txheej txheem no, lawv kuj pab txhawb kev tiv thaiv corrosion los ntawm lwm txoj kev.
Thawj yog los ntawm kev txo cov hlau dawb qhia thaum lub sijhawm ua haujlwm lossis los ntawm ib puag ncig. Yog tias koj cov hlau tsis muaj sulfides-feem ntau hauv cov qib feem ntau siv rau kev ua haujlwm-passivation tuaj yeem pab txo qis cov sulfides ntawm koj cov hlau.
Qhov no yog qhov tseem ceeb vim tias cov sulfides raug muab ci rau corrosion pib thiab kis tau.
