passivate

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Related to passivations: Passivation layer

pas·si·vate

 (păs′ə-vāt′)
tr.v. pas·si·vat·ed, pas·si·vat·ing, pas·si·vates
1. To treat or coat (a metal) in order to reduce the chemical reactivity of its surface.
2. To coat (a semiconductor, for example) with an oxide layer to protect against contamination and increase electrical stability.

pas′si·va′tion n.
pas′si·va·tor n.

passivate

(ˈpæsɪˌveɪt)
vb
(Metallurgy) (tr) to render (a metal) less susceptible to corrosion by coating the surface with a substance, such as an oxide

pas•si•vate

(ˈpæs əˌveɪt)

v.t. -vat•ed, -vat•ing.
to treat (a metal) to render the surface less reactive chemically.
[1910–15]

passivate


Past participle: passivated
Gerund: passivating

Imperative
passivate
passivate
Present
I passivate
you passivate
he/she/it passivates
we passivate
you passivate
they passivate
Preterite
I passivated
you passivated
he/she/it passivated
we passivated
you passivated
they passivated
Present Continuous
I am passivating
you are passivating
he/she/it is passivating
we are passivating
you are passivating
they are passivating
Present Perfect
I have passivated
you have passivated
he/she/it has passivated
we have passivated
you have passivated
they have passivated
Past Continuous
I was passivating
you were passivating
he/she/it was passivating
we were passivating
you were passivating
they were passivating
Past Perfect
I had passivated
you had passivated
he/she/it had passivated
we had passivated
you had passivated
they had passivated
Future
I will passivate
you will passivate
he/she/it will passivate
we will passivate
you will passivate
they will passivate
Future Perfect
I will have passivated
you will have passivated
he/she/it will have passivated
we will have passivated
you will have passivated
they will have passivated
Future Continuous
I will be passivating
you will be passivating
he/she/it will be passivating
we will be passivating
you will be passivating
they will be passivating
Present Perfect Continuous
I have been passivating
you have been passivating
he/she/it has been passivating
we have been passivating
you have been passivating
they have been passivating
Future Perfect Continuous
I will have been passivating
you will have been passivating
he/she/it will have been passivating
we will have been passivating
you will have been passivating
they will have been passivating
Past Perfect Continuous
I had been passivating
you had been passivating
he/she/it had been passivating
we had been passivating
you had been passivating
they had been passivating
Conditional
I would passivate
you would passivate
he/she/it would passivate
we would passivate
you would passivate
they would passivate
Past Conditional
I would have passivated
you would have passivated
he/she/it would have passivated
we would have passivated
you would have passivated
they would have passivated
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References in periodicals archive ?
Trivalent chromium passivation is used after zinc plating for enhancing corrosion resistance of parts.
At first, we found that in parts produced from an older solution, the passivation layer has cracks which are not seen in parts from a fresh/new solution.
These metal ions deposit into the passivation as hydroxides, and the larger the quantity in this layer the more the layer contracts by heating, meaning the newer the solution the less the layer contracts.
So, we investigated developing a new solution to improve the corrosion resistance after heating through the reduction of metal ion deposits in the passivation layer.
Development of Trivalent Chromium Passivation for Zn Platng with High Corrosion Resistance after Heating," SAE Int.
Generally, Trivalent chromium passivation is applied with zinc plating at same time to prevent the zinc corrosion (white rust).
The main chemical reaction of the trivalent chromium passivation has two steps.