Question

what is means passivation?

Answer 1

The process of making a material passive (non-reactive) in relation to another material prior to using the materials together.

(chemistry) The spontaneous formation of a hard non-reactive surface film (usually an oxide or nitride) that inhibits further corrosion.

(control theory) Conversion of a non-passive dynamical system into a passive one.

Answer 2

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passivation is the process of treating or coating a metal in order to reduce the chemical reactivity of its surface .in stainless steel , passivation meaning removing the free iron from the surface of the metal using an acid solution to prevent rust.

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