The pitting corrosion behavior of aluminum ion implanted with titanium

X. Y. Yao, C. S. Kumai, T. M. Devine, P. B. Fojas, I. C. Ivanov, K.-M. Yu, I. G. Brown

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

8 Citations (Scopus)

Abstract

The pitting corrosion behavior in deaerated 0.05M NaCl solution of titanium ion implanted aluminum has been investigated. The samples were implanted with Ti ions using a Mevva high current metal ion implantation facility at doses ranging from 2×1015 to 2×1017 ions/cm2 and with ion energy from 30 to 120 keV, and the resultant Ti depth profiles were measured with Rutherford backscattering spectrometry (RBS). The pit density was decreased by up to two orders of magnitude relative to the unimplanted samples. The pitting potential increase ranged from 0.1 to 0.3 V. The pitting potential increase of the high dose samples was limited by pit formation at pre-existing scratches whereas the majority of the surface was free of pits to potentials up to 5 VSCE. © 1993.
Original languageEnglish
Pages (from-to)267-270
JournalNuclear Inst. and Methods in Physics Research, B
Volume80-81
Issue numberPart 1
DOIs
Publication statusPublished - 3 Jun 1993
Externally publishedYes

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