Passivation (chemistry)

physico-chemical processes contributing to protect a surface against oxidation

In physical chemistry and engineering, passivation, refers to a material that becomes less affected by corrosion. Passivation involves making an outer layer out of a material that is less affected by corrosion. The material is put on as a microcoating. Passivation can only occur in certain conditions. It is used in microelectronics.[1]

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