passivatorn.
/ˈpasᵻveɪtə/, U.S. /ˈpæsəˌveɪdər/ Manufacturing Technology.
A passivating agent.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > metal > plated or coated metal > [noun] > plating or coating applied to metal > coating to prevent corrosion
anticorrosion1851
passivifier1911
rustproofing1918
passivator1935
cocoon1948
1935 F. N. Speller Corrosion (ed. 2) ix. 378 Passivators may be used effectively to retard corrosion in refrigerating systems or anti-freezing mixtures.
1951 Engineering 28 Dec. 819/3 The oxidation..may be prevented by using an inhibited oil. The substances employed for this purpose include catalyst passivators and de-activators.
1974 J. A. von Fraunhofer Conc. Corrosion Sci. viii. 79 Passivators or Type IIIA inhibitors... Generally these substances are oxidising agents with redox potentials that are more noble than that of the metal and they are readily reduced.
1996 Nucl. Instruments & Methods Physics Res. B. 113 461 The use of neutral primary caesium beams, initially at low energies as a surface passivator for non-conducting samples.
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).
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n.1935