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Corrosion Protection of Cu, Fe, Mn and Co Surfaces

Published online by Cambridge University Press:  10 February 2011

J.E.E. Baglin ,
A.J. Kellock ,
T.T. Bardin ,
T. Karis  and
D. Keck
J.E.E. Baglin
Affiliation:
IBM Almaden Research Center, 650 Harry Rd., San Jose, CA 95120
A.J. Kellock
Affiliation:
IBM Almaden Research Center, 650 Harry Rd., San Jose, CA 95120
T.T. Bardin
Affiliation:
IBM Almaden Research Center, 650 Harry Rd., San Jose, CA 95120
T. Karis
Affiliation:
IBM Almaden Research Center, 650 Harry Rd., San Jose, CA 95120
D. Keck
Affiliation:
IBM Almaden Research Center, 650 Harry Rd., San Jose, CA 95120
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Abstract

The mechanisms and effectiveness of corrosion protection provided by thin ion-beam carbon coatings on Cu, Fe, Mn and Co are discussed. A thin (# 10 Å) layer of protective carbon is produced on metal surfaces by ion-beam dissociation of adventitious or intentional hydrocarbon adsorbates. Below 200°C, oxidation is strongly inhibited, as is corrosion in a humid, sulphurous ambient. Above 200°C, the carbon layer may itself be destroyed by oxidation, due to catalytic action of the metal surface. Thicker PVD carbon (up to 60 Å) was not an effective corrosion barrier, even after ion irradiation. A technique for producing high integrity ion-beam carbon layers of high stability and durability is discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 517: Symposium F – Wide Bandgap Semiconductors for High Power, High Frequency , January 1998 , 421
Copyright
Copyright © Materials Research Society 1998

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References

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