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2016 | OriginalPaper | Chapter

The Micro-Mechanical Behavior of Electron Beam Melted Ti-6Al-4V Alloy

Authors : Yuan-Wei Chang, Tait McLouth, Marta Pozuelo, Chun-Ming Chang, John Wooten, Jenn-Ming Yang

Published in: TMS 2015 144th Annual Meeting & Exhibition

Publisher: Springer International Publishing

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The micro-mechanical behavior of electron beam melted (EBM) Ti-6Al-4V alloy was characterized and compared with the cast Ti-6Al-4V alloy. Micro-pillars with diameters ranging from 1.5–3.5µm were prepared using focused ion beam milling and micro-compression tests were performed using a nanoindenter. The yield strength, hardness, and wear resistance of the EBM Ti-6Al-4V alloy were found to be significantly higher than those of the cast alloy. Fine lamellar structure resulting from higher cooling rates in EBM process contributes to the better mechanical properties.

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