Passio est modus retardandi ratem corrosionis metalli, convertendo suam superficiem in statum minus susceptivum oxidationis. In addition, the phenomenon of an active metal or alloy, in which the chemical activity is greatly reduced to a state of noble metal, is also called passivation.
1. Chemical passivation: mainly through the chemical reaction between the metal and strong oxidants, the formation of a dense film of oxides or other compounds on the surface of the metal, which covers the metal surface, isolating the metal from the solution, thus impeding Metalli oxidatio continua et dissolutio.
In generali, quamvis eget passivatio et anodic passivation et transform metallum superficiem in statu minus susceptibilis oxidatio, formatio machinationes et applicationem backgrounds diversis. Chemical Passivation formae a tutela amet super metallum superficiem maxime per eget profectae, cum anodic passivation formae a passivatio in metallum superficiem per electrochemical processus, utraque metallum.
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