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Passive Films and Blistering of Titanium

Published online by Cambridge University Press:  10 February 2011

Peter J. Bedrossian ,
Joseph C. Farmer ,
R. Daniel McCright ,
Douglas L. Phinney  and
John C. Estill
Peter J. Bedrossian
Affiliation:
bedrossian 1 @ LLNL.gov
Joseph C. Farmer
Affiliation:
Lawrence Livermore National Laboratory, Livermore CA 94551
R. Daniel McCright
Affiliation:
Lawrence Livermore National Laboratory, Livermore CA 94551
Douglas L. Phinney
Affiliation:
Lawrence Livermore National Laboratory, Livermore CA 94551
John C. Estill
Affiliation:
Lawrence Livermore National Laboratory, Livermore CA 94551
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Abstract

Coupons of titanium alloys under consideration as components of the Engineered Barrier System in the proposed repository at Yucca Mountain have been evaluatedfor their passive film composition and stability. Oxide depths and compositions on specimens exposed in long-term corrosion testing for one year were determined with x-ray photoemission spectroscopy. The specimens removed from long-term testing, as well as separate coupons polarized cathodically in an electrochemical cell, exhibited blistering associated with hydride formation in both scanning electron microscopy and atomic force microscopy.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 556: Symposium QQ – Scientific Basis for Nuclear Waste Management XXII , 1999 , 863
Copyright
Copyright © Materials Research Society 1999

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References

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