Structure of 3D Printed Ti-6Al-4V Alloy after Low-frequency Processing

The structure and residual elastic stresses in 3D printed (Selective laser melting) Ti-6A1-4V samples after the low-frequency vibration processing were investigated. The studied samples were manufactured horizontally in respect to the building platform. Different vibration oscillations modes (vertic...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 1172; no. 1; pp. 12084 - 12088
Main Authors Kazantseva, N, Rumyantsev, S, Merkushev, A, Ezhov, I, Davydov, D, Vinogradova, N
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.03.2019
Subjects
Laser beam melting
Phase composition
Stresses
Three dimensional printing
Titanium base alloys
Vertical oscillations
Vibration
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Summary:The structure and residual elastic stresses in 3D printed (Selective laser melting) Ti-6A1-4V samples after the low-frequency vibration processing were investigated. The studied samples were manufactured horizontally in respect to the building platform. Different vibration oscillations modes (vertical, horizontal, and elliptical) were chosen for study. The oscillations were done with frequency of 16 Hz, and a processing time was 20 minutes. Studies shown that 3D printed samples had a high level of residual elastic stresses, which were changed after vibration treatment. The influence of the low-frequency processing on the phase composition of the alloy was found.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1172/1/012084