The effect of oxygen pickup during selective laser melting on the microstructure and mechanical properties of Ti-6Al-4V lattices.

It is therefore noteworthy that, although the samples show a clear trend in increasing oxygen levels with increasing number of beam passes, this is not reflected in a measurable change in the α-β microstructure. 4.3 Mechanical performance As can be seen, the mechanical resistance does not increase with density as is usually reported for lattices, rather there is a decrease, also reflected in the elongation at which the point of maximum load occurred.

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The effect of such struts on the response to a compressive load may not be significant though as these trusses are not connected in such a way that they will be loaded.

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