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Proceedings 2018, 2(8), 474;

Fatigue of Additive Manufacturing Specimens: A Comparison with Casting Processes

Laboratoire de Mécanique des Solides, CNRS, Ecole Polytechnique, 91128 Palaiseau, France
Thales Global Services, 78140 Vélizy-Villacoublay, France
Presented at the 18th International Conference on Experimental Mechanics (ICEM18), Brussels, Belgium, 1–5 July 2018.
Author to whom correspondence should be addressed.
Published: 14 June 2018
PDF [1389 KB, uploaded 27 June 2018]


In this paper, the specificity and/or the common features of materials coming from such new additive manufacturing processes will be compared to more classical one, like casting process. Fatigue properties of Ti-6Al-4V specimens built by EBM and SLM are first compared depending on several process parameters. Then, at the microstructure scale, it is shown that surface defects and unmelted zones seem to be the dominant features. It will be shown that similarities can then be drawn with casting processes where shrinkage and pores are also associated to damage mechanisms.
Keywords: additive manufacturing; fatigue; damage mechanisms additive manufacturing; fatigue; damage mechanisms
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Charkaluk, E.; Chastand, V. Fatigue of Additive Manufacturing Specimens: A Comparison with Casting Processes. Proceedings 2018, 2, 474.

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