High Current Pulsed Electron Beam Effect on Micro-Arc Oxidation Film of Ti Alloy

Hui Zhao; Chun Yan Du; Jin Hua Yang; Xiao Hui Wang

doi:10.4028/www.scientific.net/AMR.1094.320

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Equivalent Circuit for EIS Study on Rusted Marine Cast Iron Artifacts
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High Current Pulsed Electron Beam Effect on Micro-Arc Oxidation Film of Ti Alloy
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High Current Pulsed Electron Beam Effect on Micro-Arc Oxidation Film of Ti Alloy

Abstract:

High Current Pulsed Electron Beam (HCPEB) was employed to treat Ti-6Al-4V alloy subjected to micro-arc oxidation. The surface morphology and phase composition of surface film were investigated, as well as the wear and corrosion resistance. The results show that the coarse porous ceramic coating becomes smooth and compact after electron beam treatment. High temperature stable rutile phase increases, and low temperature stable anatase phase reduces. The friction coefficient of composite coating reduces obviously and stabilizes at 0.2, and the wear resistance is improved. The increased corrosion potential and decreased corrosion rate exhibits an enhanced corrosion resistance.