passivation


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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.

passivation

(ˌpæsɪˈveɪʃən)
n
the process of passivating a material
Translations
Passivierung
References in periodicals archive ?
Passivation of the steels and reconstruction of the facing by shotcrete and creation of a top layer of fine material: 150 m 2 , - application of modified hydraulic binder on exposed walls: 1360 m 2 , - local tapings of degraded concretes, Passivation of steels and smoothing: 402 m 2 .
Trivalent chromium passivation is used after zinc plating for enhancing corrosion resistance of parts.
Astro Pak's newly acquired AS9100 Certified Class 10,000 Cleanroom facility in Florida equips the company to serve the precision cleaning, testing and passivation requirements for Southeast based aerospace customers.
Rinsing, passivation and drying cycles are also part of the cleaning process.
com)-- Sklar Instruments announced today that Sklar is now an approved supplier of Censis Technologies' CensiMark, the industry's only proprietary mark that does not disturb the passivation layer of standard or specialty instruments.
For improvement of corrosion resistance properties, the vast majority of industries around the world continue to use the most widely known method of passivation treatment with chemicals containing hexavalent chrome.
Several key investments are underway at the Surface Technology plant on Deedmore Road, Coventry as the facility gears up to meet an influx of high volume work for black passivation and stainless steel zinc nickel finishing.
Until recently, passivation of stainless steel medical devices has been accomplished either chemically or electrochemically.
Passivation of interface traps by nitridation of the oxide at high temperatures is currently the standard method for achieving acceptable channel mobility.
After electropolishing, these parts have a noticeable bright, shiny appearance that cannot be achieved by traditional metal finishing methods or passivation.
The VpCI-386 HP's combination of additives provides a nanoparticle composite polymer barrier that slows the reaction of metal ionization by ion scavenging and passivation.
Using the new pigment in waterborne coating systems is particularly straightforward because no additional passivation is needed.